DEPARTMENT OF ENVIRONMENTAL QUALITY  
OFFICE OF GEOLOGICAL SURVEY  
NONFERROUS METALLIC MINERAL MINING  
(By authority conferred on the director of the department of environmental quality by  
section 63203(1) of 1994 PA 451, MCL 324.63203(1))  
PART 1. GENERAL PROVISIONS  
R 425.101 Purpose.  
Rule 101. These rules implement the act, and regulate the construction, operation, closure,  
postclosure monitoring, reclamation, and remediation of nonferrous metallic mineral mines  
in the state of Michigan. These rules do not regulate the extraction of metallic minerals by  
in situ leaching when regulated under part 625 of the act.  
History: 2006 AACS.  
R 425.102 Definitions; A to L.  
Rule 102. (1) As used in these rules:  
(a) "Accelerated soil erosion" means the increased loss of the land surface that occurs as  
a result of human activities.  
(b) "Act" means 1994 PA 451, MCL 324.101 et seq.  
(c) "Aquifer" means a geological formation, group of formations, or part of a formation  
capable of yielding significant quantities of groundwater to wells or springs.  
(d) "Assurance instrument" means a financial instrument executed in favor of the  
department on a form approved by the department, including the following:  
(i) A surety bond executed by a surety company authorized to do business in the state of  
Michigan.  
(ii) A certificate of deposit or time deposit account held by a financial institution regulated  
and examined by a state or federal agency, the value of which is insured by an agency of  
the United States government.  
(iii) A cash bond.  
(iv) An irrevocable letter of credit issued by a financial institution which has the authority  
to issue letters of credit and whose letter of credit operations are regulated and examined  
by a federal or state agency.  
(v) A trust fund managed by a financial institution which has the authority to act as a  
trustee and whose trust operations are subject to federal or state oversight.  
(vi) An escrow account managed by a bank or other financial institution whose account  
operations are regulated and examined by a federal or state agency.  
(e) "Beneficiation" means the primary treatment of ore to separate or remove a metallic  
product or products from ore using a process including, but not limited to, any of the  
following:  
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(i) Crushing.  
(ii) Grinding.  
(iii) Washing.  
(iv) Dissolution.  
(v) Crystallization.  
(vi) Filtration.  
(vii) Sorting.  
(viii) Sizing.  
(ix) Drying.  
(x) Sintering.  
(xi) Pelletizing.  
(xii) Briquetting.  
(xiii) Calcining to remove water and/or carbon dioxide.  
(xiv) Roasting, autoclaving, and/or chlorination in preparation for leaching (except where  
this process produces a final or intermediate product that does not undergo further  
beneficiation or processing).  
(xv) Gravity concentration.  
(xvi) Magnetic separation.  
(xvii) Electrostatic separation.  
(xviii) Flotation.  
(xix) Ion exchange.  
(xx) Ex situ solvent extraction.  
(xxi) Electrowinning.  
(xxii) Precipitation.  
(xxiii) Amalgamation.  
(xxiv) Heap, dump, vat, and tank leaching.  
(f) "Contaminated" or "contamination" means having substances in concentrations that  
are above natural background and that are, or may be, harmful to the environment or to  
human health and safety as determined by the department under other applicable parts of  
the act.  
(g) "Cultural, historical, or archaeological resource" means a structure or site that meets  
any of the following requirements:  
(i) Is listed as a national historic landmark under the historic sites, buildings, and  
antiquities act, chapter 593, 49 Stat. 666, 16 U.S.C.461 to 467 as of the effective date of  
these rules.  
(ii) Is listed on the national register of historic places pursuant to the national historic  
preservation act of 1966, Public Law 89-665, 16 U.S.C.470 to 470a, 470b, and 470c to  
470x-6 as of the effective date of these rules.  
(iii) Is listed on the state register of historic sites pursuant to 1955 PA 10, MCL 399.151  
to 399.152.  
(iv) Is recognized under a locally established historic district created pursuant to the local  
historic districts act, 1970 PA 169, MCL 399.201 to 399.215.  
(h) "Cumulative impact" means the environmental impact that results from the proposed  
mining activities when added to other past, present, and reasonably foreseeable future  
activities.  
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(i) "Designated wellhead protection area" means a specific geographic area which is  
approved by the department as the surface and subsurface area surrounding a water well or  
well field that supplies a public water system and through which contaminants are  
reasonably likely to move toward and reach the water well or well field.  
(j) "Detroit consumer price index" means the most comprehensive index of consumer  
prices available for the Detroit area from the United States department of labor, bureau of  
labor statistics.  
(k) "Disposal facility" means a facility or a part of a facility where overburden, waste  
rock, or tailings are intentionally placed into or on the land and at which the overburden,  
waste rock, or tailings will remain after closure.  
(l) "Earth change" means a humanmade change in the natural cover or topography of land,  
including cut and fill activities, which may result in or contribute to soil erosion or  
sedimentation of the waters of the state.  
(m) "Final reclamation" means reclamation performed after final cessation of mining with  
the intent not to resume mining.  
(n) "Financial assurance" means an assurance instrument or statement of financial  
responsibility provided by an operator to ensure compliance with the act, these rules, permit  
conditions, instructions, or orders of the department.  
(o) "Floodplain" means an area of land adjoining a river or stream that will be inundated  
by a flood with a magnitude that has a 1% chance of occurring or being exceeded in any  
given year.  
(p) "Groundwater" means water below the land surface in a zone of saturation.  
(q) "Hazardous substance" means that term as defined in part 201 of the act.  
(r) "Indian reservation" means any federally recognized reservation established by treaty,  
agreement, executive order, or act of congress.  
(s) "Indian governing body" means the governing body of any tribe, band, or group of  
Indians subject to the jurisdiction of the United States and recognized by the United States  
as possessing power of self-government.  
(t) "Interim reclamation" means reclamation performed in connection with temporary  
cessation of mining with the intent to resume mining.  
(u) "Life of the mine" means the period from issuance of a mining permit through the  
completion of reclamation.  
(2) A term defined in the act has the same meaning when used in these rules.  
History: 2006 AACS.  
R 425.103 Definitions; M to Z.  
Rule 103. (1) As used in these rules:  
(a) "Mining activity" means any of the following activities for the purpose of, or  
associated with, mining:  
(i) Clearing of land.  
(ii) Drilling and blasting.  
(iii) Excavation of earth materials to access or remove ore.  
(iv) Beneficiation.  
(v) Reclamation.  
(vi) Transportation of overburden, waste rock, ore, and tailings.  
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(vii) Storage, relocation, and disposal of overburden, waste rock, ore, and tailings within  
a mining area, including backfilling of mined areas.  
(viii) Storage and transportation of chemical reagents.  
(ix) Construction of water impoundment and drainage features.  
(x) Construction of haul roads.  
(xi) Construction of utilities or extension of existing utilities.  
(xii) Withdrawal, transportation, and discharge of water.  
(b) "Nonerosive velocity" means a speed of water movement that is not conducive to the  
development of accelerated soil erosion.  
(c) "Organization report" means a certified statement, on a form prescribed by the  
department, giving the name, address, and plan of the business organization, and listing the  
following:  
(i) All corporate officers, directors, incorporators, and limited liability company  
managers.  
(ii) All other partners, shareholders, limited liability company members, or other persons  
who have the authority to make, or are responsible for making, operational decisions,  
including the construction, operation, closure, postclosure monitoring, reclamation, and  
remediation of a mine.  
(d) "Overburden" means unconsolidated earth material that overlies bedrock and that is  
or will be excavated by open pit mining methods to access ore.  
(e) "Percolation leaching" means a process for the primary purpose of the recovery of  
metals in an outdoor environment from a stockpile of crushed or excavated ore by  
percolating water or a solution through the ore and collecting the leachate, and includes the  
processes known as "heap leaching" and "dump leaching."  
(f) "Peripheral rock" means rock that is or will be left in place after the completion of  
mining and within 3 feet of either of the following:  
(i) The walls and floor of an open pit.  
(ii) The walls, floor, and roof of adits, portals, and underground mine workings.  
(g) "Permanent soil erosion and sedimentation control measures" means control measures  
that are installed or constructed to control soil erosion and sedimentation and that are  
designed to remain in place after final reclamation.  
(h) "Postclosure" means the period following completion of final reclamation in  
compliance with the approved reclamation plan.  
(i) "Public water supply well" means a well that provides water for a "type I public water  
supply," "type IIa public water supply," "type IIb public water supply," or "type III public  
water supply" as those terms are defined in R 325.10502.  
(j) "Reactive" means susceptible to reacting, dissolving, or otherwise forming a leachate  
that is or may be harmful to the environment or to human health and safety as determined  
by the department under conditions that exist, or may exist, at a mining operation.  
(k) "Reclamation" means that reconditioning or rehabilitation of the mining area or  
portions thereof for useful purposes and the protection of the natural resources, including  
the control of erosion and the prevention of land or rock slides, collapses and subsidence,  
and air and water pollution.  
(l) "Remediation" means the taking of actions that are necessary to prevent, minimize, or  
mitigate injury to the public health, safety, or welfare, or to the environment, including  
cleanup, removal, containment, isolation, destruction, or treatment of a hazardous  
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substance released or threatened to be released into the environment; and associated  
monitoring and maintenance.  
(m) "Stabilization" means the establishment of vegetation or the proper placement,  
grading, or covering of soil to ensure its resistance to soil erosion, sliding, or other earth  
movement.  
(n) "Storage facility" means a facility or a part of a facility where ore, waste rock,  
overburden, or tailings is held for a temporary period, at the end of which the ore, waste  
rock, overburden, or tailings is treated, disposed of, or stored elsewhere.  
(o) "Surety bond" has the same meaning as "conformance bond" as used in part 632 of  
the act.  
(p) "Tailings" means material that is separated from the metallic product in the  
beneficiation or treatment of minerals.  
(q) "Temporary soil erosion and sedimentation control measures" means interim control  
measures which are installed or constructed to control soil erosion and sedimentation and  
which are not maintained after project completion.  
(r) "Wetland" means that term as defined in part 303 of the act.  
(2) A term defined in the act has the same meaning when used in these rules.  
History: 2006 AACS.  
PART 2. PERMITS  
R 425.201 Permits.  
Rule 201. (1) An operator shall not begin mining activities without first obtaining a  
mining permit from the department. A person requesting a mining permit shall submit all  
of the following to the department:  
(a) A permit application on forms prescribed by the department, signed by the operator or  
an authorized representative of the operator.  
(b) A permit application fee as prescribed in part 632 of the act.  
(c) An environmental impact assessment.  
(d) A mining, reclamation, and environmental protection plan.  
(e) A contingency plan.  
(f) A description of the type or types and amount of financial assurance to be provided  
that will satisfy the requirements of R 425.301.  
(g) A list of all other applicable permits and licenses that are anticipated to be required.  
(h) An organization report on a form prescribed by the department.  
(2) Beneficiation activities shall require a separate mining permit under 1 or both of the  
following conditions:  
(a) The site of the proposed beneficiation activities is not within or adjacent to the site of  
other associated mining activities, either existing or proposed, that are subject to a mining  
permit.  
(b) The operator of the proposed beneficiation activities is not the same person as the  
operator of other associated mining activities, either existing or proposed, that are subject  
to a mining permit.  
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(3) An applicant shall submit to the department 10 paper copies of the documents required  
under subrule (1), (a) and (c) to (h) of this rule, and shall also submit the documents in an  
electronic format approved by the department.  
(4) The department shall process an application for a mining permit according to the  
requirements of section 63205 of the act, as follows:  
(a) Effective 14 days after the department receives an application for a mining permit, the  
application shall be considered to be administratively complete unless the department  
proceeds as provided under subdivision (b) of this subrule.  
(b) If, before the expiration of the 14-day period under subdivision (a) of this subrule, the  
department notifies the applicant that the application is not administratively complete,  
specifying the information necessary to make the application administratively complete, or  
notifies the applicant that the fee required to accompany the application has not been paid,  
specifying the amount due, the running of the 14-day period under subdivision (a) of this  
subrule is tolled until the applicant submits to the department the specified information or  
fee amount due. The notice shall be given in writing or electronically.  
(c) Within 42 days after an application for a mining permit is determined to be  
administratively complete, the department shall hold a public meeting on the application.  
The department shall give notice of the public meeting not less than 14 or more than 28  
days before the date of the public meeting. The notice shall specify the time and place of  
the public meeting, which shall be held in the county where the proposed mining operation  
is located, and shall include information on how to review or obtain a copy of the  
application. The department shall make a printed and electronic copy of the application  
available at a library or other public building in the county where the proposed mining  
operation is located, and shall post a copy of the application on the department website.  
The notice shall be given in writing to the city, village, or township and the county where  
the proposed mining operation is to be located and to all affected federally recognized  
Indian tribes in this state. The notice shall also be given by publication in a newspaper of  
local distribution in the area where the proposed mining operation is to be located.  
(d) The department shall accept written public comment on the permit application for 28  
days following the public meeting under subdivision (c) of this subrule. Within 28 days  
after the expiration of the public comment period, the department shall reach a proposed  
decision to grant or deny a mining permit and shall prepare a document explaining the basis  
for the decision. The decision shall be based upon the permit application and the statutory  
requirements under part 632 of the act. The department shall establish a time and place for  
a public hearing on the proposed decision, and shall give notice of the public hearing not  
less than 14 or more than 28 days before the date of the public hearing. The notice shall be  
given in writing to the city, village, or township and the county where the proposed mining  
operation is to be located and to all affected federally recognized Indian tribes in this state.  
The notice shall also be given by publication in a newspaper of local distribution in the  
area where the proposed mining operation is to be located. The notice shall contain all of  
the following:  
(i) The time and place of the public hearing.  
(ii) The name and address of the applicant, the type of mining proposed, and the location  
and general areal extent of the mining area.  
(iii) A statement of the department's proposed decision to issue or deny the permit.  
Page 6  
(iv) Information on how to review a complete copy of the application, the draft permit or  
denial, and the basis for the proposed decision.  
(v) A listing of other permits and hearings that are pending or anticipated under this act  
with respect to the proposed mining operation.  
(vi) The name, address, and telephone number of a representative of the department who  
may be contacted to obtain more information on the application.  
(vii) A description of the process for participating in the public hearing.  
(e) The department shall accept written public comment on the proposed decision to grant  
or deny a mining permit for 28 days following the public hearing. At the expiration of the  
public comment period, the department shall issue a report summarizing all comments  
received and providing the department's response to the comments.  
(f) Within 28 days after the expiration of the public comment period under subdivision  
(e) of this subrule, the department shall grant or deny the mining permit application in  
writing. A determination that an application is administratively complete does not preclude  
the department from requiring additional information from the applicant. The 28-day  
period under this subdivision shall be tolled until the applicant submits the requested  
information. If a mining permit is denied, the reasons shall be stated in a written report to  
the applicant.  
(5) The department may impose terms and conditions in a mining permit, in addition to  
those specified in the application, that are necessary to implement these rules and part 632  
of the act.  
(6) The department shall not issue a mining permit authorizing percolation leaching unless  
the applicant demonstrates that the proposed percolation leaching meets the requirements  
of R 425.403.  
(7) Subject to subrule (9) of this rule, the department shall approve a mining permit if it  
determines both of the following:  
(a) The permit application meets the requirements of part 632 of the act.  
(b) The proposed mining operation will not pollute, impair, or destroy the air, water, or  
other natural resources or the public trust in those resources, in accordance with part 17 of  
the act. In making this determination, the department shall consider the extent to which  
other permit determinations afford protection to natural resources. For this subdivision,  
excavation and removal of nonferrous metallic minerals and of associated overburden and  
waste rock, in and of itself, does not constitute pollution, impairment, or destruction of  
those natural resources.  
(8) The department shall deny a mining permit if it determines the requirements of subrule  
(7) of this rule have not been met.  
(9) The department shall not issue a mining permit, or approve a transfer of a mining  
permit, to a person if the department has determined that person to be in violation of part  
632 of the act, these rules, a mining permit, or an order of the department under part 632  
of the act, unless the person has corrected the violation or the person has entered into a  
written consent agreement to correct the violation pursuant to a compliance schedule  
approved by the department. The department may require compliance with the consent  
agreement as a condition of the mining permit.  
History: 2006 AACS.  
Page 7  
R 425.202 Environmental impact assessment.  
Rule 202. (1) The environmental impact assessment required under R 425.201(1)(c) shall  
include, but is not limited to, the following:  
(a) For each of the conditions and features listed in subrule (2) of this rule:  
(i) An identification and description of the condition or feature as it currently exists within  
the mining area and the affected area.  
(ii) An identification of the proposed mining activities that may impact the condition or  
feature, and the process or mechanism through which the impact may occur.  
(iii) An analysis of the potential impacts of proposed mining activities on the condition  
or feature and, where applicable, the effects of the condition or feature on the proposed  
mining activities.  
(iv) A reference to the measures proposed to be taken under the mining, reclamation, and  
environmental protection plan to reduce or mitigate the potential impacts, and the predicted  
effects of those measures. If the measures are not required under part 632 of the act, then  
the environmental impact assessment shall identify other statutes or regulations, if any,  
under which the measures are required.  
(v) A map or maps and appropriate photographs, with any necessary explanatory  
documents or notations, showing the affected area for the condition or feature, and a  
description of the basis for determining the affected area.  
(b) An analysis of the potential cumulative impacts on each of the conditions or features  
listed in subrule (2) of this rule within the mining area and the affected area from all  
proposed mining activities and through all processes or mechanisms. The analysis shall  
consider additive effects, and the assessment of significant interactions between chemical  
and physical properties of any discharges, with reference to the physical and chemical  
characteristics of the environment into which the discharge may be released.  
(c) An analysis of feasible and prudent alternatives for the mining activities consistent  
with the reasonable requirements of the public health, safety, and welfare. The analysis  
shall include all of the following:  
(i) A description of feasible and prudent alternatives.  
(ii) A description of alternatives considered but not carried forward for further evaluation.  
(iii) A description of why the chosen alternatives are preferred.  
(d) The name and qualifications of the person or persons who prepared the environmental  
impact assessment.  
(e) A description of the methodologies applied in preparing the environmental impact  
assessment, including the following:  
(i) Quality assurance and quality control as approved by the department.  
(ii) Information that demonstrates that the methodologies are appropriate and effective,  
or are widely used and generally accepted.  
(f) The sources of information used in preparing the environmental impact assessment.  
(2) The requirements of subrule (1)(a) and (b) of this rule apply to natural and humanmade  
conditions and features including, but not limited to, the following:  
(a) Topography.  
(b) Soil series.  
(c) Geology of the bedrock and unconsolidated materials overlying the bedrock, including  
areal extent, thickness, lithology, and permeability.  
Page 8  
(d) Groundwater occurrence that may impact, or be impacted by, mining activities,  
including the following:  
(i) Thicknesses of aquifers, hydraulic conductivity, and interconnections between  
multiple aquifers and between aquifers and surface water.  
(ii) Depth to groundwater, groundwater recharge areas, groundwater flow direction,  
hydraulic gradients, groundwater velocity, and 3-dimensional flow paths.  
(iii) Seasonal variations of the items in paragraph (ii) of this subdivision.  
(e) Natural or artificial lakes, ponds, impoundments, rivers, streams, creeks, drains, seeps,  
and springs, including both of the following:  
(i) Observed levels or discharge rates.  
(ii) Predicted seasonal and long-term variations of levels or discharge rates.  
(f) A complete water balance that accounts for precipitation, evapotranspiration,  
infiltration, runoff, streamflows, and groundwater and surface water withdrawals and  
discharges from mining activities.  
(g) Groundwater and surface water quality, including all of the following:  
(i) Specific conductance as an indication of dissolved solids.  
(ii) Temperature.  
(iii) The hydrogen ion concentration expressed as pH.  
(iv) Dissolved oxygen.  
(v) Concentrations of all of the following substances:  
(A) Cations of calcium, sodium, magnesium, potassium, and iron.  
(B) Anions of chloride, sulfate, and bicarbonate.  
(C) Other total and dissolved elements and compounds that may be introduced or affected  
by the mining activities.  
(vi) Predicted seasonal variations of the parameters listed in paragraphs (i) to (v) of this  
subdivision.  
(h) Any known occurrence of groundwater that is contaminated so that a property is a  
facility as defined by part 201 of the act.  
(i) All documented private water supply wells.  
(j) All public water supply wells.  
(k) Irrigation and disposal wells.  
(l) Designated wellhead protection areas.  
(m) Floodplains, Great Lake shorelines, and wetlands.  
(n) Natural rivers as defined in section 30501 of the act.  
(o) Wild and scenic rivers as defined in 1968, Public Law 90-542, 82 Stat. 906.  
(p) Residential dwellings, places of business, places of worship, schools, hospitals,  
government buildings, or other buildings used for human occupancy all or part of the year.  
(q) Existing and proposed infrastructure and utilities.  
(r) Areas actively maintained for public recreation.  
(s) Natural areas as defined in R 324.35101.  
(t) State wilderness areas as defined in MCL 324.35101.  
(u) Federal wilderness areas as defined in 78 Stat. 890, 16 U.S.C. 1131.  
(v) Wild areas as defined in MCL 324.35101.  
(w) Research natural areas as defined in CFR Title 36, Section 251.23.  
(x) Land uses, land access, general size and shape of tracts of land, and current and historic  
land use trends.  
Page 9  
(y) Species and abundance of aquatic and terrestrial flora and fauna, and predicted  
variations in their occurrence based on at least 2 years of relevant information. Relevant  
information may include records of pertinent data at other sites having documented similar  
conditions or credible regional studies from acknowledged sources, but shall include at  
least 1 year of site-specific data.  
(z) Fish and wildlife habitats.  
(aa) Threatened species or endangered species as defined in part 365 of the act or in the  
endangered species act of 1973, Public Law 93-205, 87 Stat.884.  
(bb) Species of special concern as designated by the US forest service region 9 regional  
forester's list of species of special concern.  
(cc) Non-native or invasive plant and animal species.  
(dd) Ecological systems as identified in recognized published sources.  
(ee) Cultural, historical, or archaeological resources.  
(ff) Air quality.  
(gg) Meteorology, and predicted seasonal and long-term variations of the meteorology.  
(hh) Visual resources.  
(ii) Noise.  
(jj) Light.  
(kk) Seismicity.  
(3) For the conditions and features listed in subrule (2)(d), (e), (g), and (gg) of this rule,  
the required characterization of seasonal or long-term variations in the condition or feature  
shall be satisfied by a combination of documented observations of pertinent data over a  
period of at least 2 years at the monitoring site and records of pertinent data at other sites  
having documented similar conditions or credible regional studies from acknowledged  
sources. Seasonal and long-term variations at the monitoring site shall be predicted, where  
feasible, using statistical analysis demonstrating a confidence interval. The statistical  
analysis shall include an explanation of how the use of any data from other sites affects the  
confidence interval. Analysis of potential impacts shall incorporate credible extremes in  
the condition or feature based on the statistical analysis.  
(4) An applicant may describe the types of public input sought, if any, in preparing the  
environmental impact assessment, and may include the method used to collect public input  
and a summary of relevant comments.  
(5) Information required by rules promulgated under another part of the act or under other  
state or federal law and incorporated in the environmental impact assessment shall satisfy  
the requirements for an environmental impact assessment under these rules to the extent  
that the information addresses the area and activities as required under part 632 of the act.  
History: 2006 AACS.  
R 425.203 Mining Plan.  
Rule 203. The mining, reclamation, and environmental protection plan required under R  
201(1)(d) shall contain a plan for the proposed mining operations. The plan shall include  
information that demonstrates that all methods, materials, and techniques proposed to be  
utilized are capable of accomplishing their stated objectives in protecting the environment  
and public health, except that such information may not be required for methods, materials,  
and techniques that are widely used in mining or other industries and are generally accepted  
Page 10  
as effective. The required information may consist of results of actual testing, modeling,  
documentation by credible independent testing and certification organizations, or  
documented applications in similar uses and settings. The plan shall include, at a minimum,  
all of the following:  
(a) A description of the type and method of mining, the expected operating life of the  
mine, and the anticipated rate and schedule of mining.  
(b) An estimate of the number of employees required for the mining operation, and  
variations in the number over the life of the mine.  
(c) Information depicting and describing the items listed in paragraphs (i) to (xxiv) of this  
subdivision that are mining activities or are part of, or associated with, mining activities.  
Information that is amenable to clear depiction on a map shall be shown on a map or maps  
of the mining area drawn to an appropriate scale on a topographic base and referenced to  
the nearest government-surveyed section or quarter-section lines. Other required  
information shall be presented, as appropriate, by cross-sections, photographs, documents,  
and engineering drawings.  
(i) Area, thickness, and characteristics of topsoil that will be stripped, and plans for  
stockpiling and stabilizing topsoil until it will be used in reclamation.  
(ii) Area, volumes, and characteristics of overburden and waste rock to be excavated;  
plans and schedules for excavating; and locations and dimensions of stockpiles and final  
placement areas.  
(iii) Area, volumes, types, and mineralogy of ore to be excavated, and schedule of mining  
and stockpiling ore.  
(iv) Plans for limiting access to stockpiles and storage or disposal facilities to prevent  
disposal of unauthorized materials.  
(v) A characterization of the geochemistry of the ore, waste rock, and overburden that  
will be mined, and peripheral rock that will be exposed in the process of mining, and of  
any tailings that will be generated. The characterization shall include the following:  
(A) Chemical and physical testing and modeling to predict the potential generation of  
acid, dissolved metals, and other related substances by reaction and leaching of the ore,  
waste rock, tailings, overburden, and peripheral rock.  
(B) Testing and modeling methodology.  
(C) A plan for monitoring the characterization during the proposed mining operation to  
calibrate and adjust the model and predictions.  
(D) Identification of the ore, waste rock, overburden, peripheral rock, and tailings that are  
reactive.  
(vi) Lithology and thickness of rock surrounding and overlying the ore body.  
(vii) The locations, depths, and contours of open pits.  
(viii) The locations and dimensions of shafts, portals, or other openings between the land  
surface and underground mine workings.  
(ix) The areal extent, depth, and dimensions of underground workings.  
(x) Types and uses of grouting of the walls of open pits and of the walls, floor, and roof  
of underground workings.  
(xi) A plan for preventing damage to the environment or public health or safety from  
subsidence, caving, or collapse of underground mine workings. The plan shall contain the  
following:  
(A) A description of any planned or intentional caving and subsidence.  
Page 11  
(B) Provisions to prevent adverse impacts to public or private water supplies or to an  
aquifer in the affected area.  
(C) Provisions to assure that any underground mining shall not cause material damage to  
structures not owned or controlled by the operator.  
(D) Provisions to assure that any underground mining shall not cause material damage to  
natural features on lands not owned by the operator.  
(xii) A description of water that will be used in the mining operations, including the source  
or sources of the water and intended rates and durations of pumping, diversion, or  
withdrawal.  
(xiii) A description of water that will be stored, transferred, or discharged in the mining  
operations, including:  
(A) The location, size, and capacities of any artificial ponds, impoundments, dewatering  
systems, diversions, other water control structures, and treatment facilities.  
(B) The estimated volumes, rates, and water quality of discharges, and the discharge  
locations.  
(xiv) Storage areas for equipment and vehicles.  
(xv) Buildings and other facilities or structures.  
(xvi) Areas for the storage and transfer of chemicals, fuel, and explosives.  
(xvii) Truck and mining equipment wash down areas.  
(xviii) Roads, railroads, docks, piers, and other transportation infrastructure, and  
provisions to prevent release of contaminants to the environment from ore or waste rock  
during transportation.  
(xix) Beneficiation processes, materials, and activities, including the following:  
(A) The types, extent, and sequence of beneficiation, including physical and chemical  
characterization of all materials, wastes, or products.  
(B) A description of any mills, concentrators, dryers, separators, chemical reactors,  
filtering equipment, electrolytic chambers, flotation cells, kilns, or other beneficiation  
equipment.  
(C) The type and amount of chemicals to be added.  
(D) The types, amounts, locations, sequence, schedule, and means of waste rock and  
tailings disposal.  
(E) Provisions to prevent release of contaminants to the environment from beneficiation  
equipment.  
(F) Tailings transport systems, if not buried, should be designed to provide for emergency  
tailings conveyance or storage should a pipeline break, plug, freeze or require repairs and  
be made accessible for inspection, emergency repair, and maintenance. Location of  
emergency spill areas shall be designed to prevent contamination of surface water. If a  
power failure occurs, then tailing pipelines shall be self draining to the tailings area or to  
an emergency spill area or standby pumps and pipelines or standby power shall be  
provided. In some cases (such as a long pipeline over rough country), several spill areas  
may have to be provided.  
(xx) Plans and schedules for regulating or controlling drainage of water, including surface  
runoff, from within the diked area of a tailings disposal area to prevent breaching of the  
dikes, both during and after mining. The plans and schedules shall ensure that 24-hour 100-  
year precipitation events do not cause releases of water that are not in compliance with the  
conditions of the mining permit.  
Page 12  
(xxi) Plans and schedules for monitoring, containment, and treatment of surface runoff  
that has contacted, or may contact, ore, waste rock, overburden, or tailings determined to  
be reactive under R 425.203(c)(v). The plans shall be designed to reasonably minimize  
actual and potential adverse impacts on groundwater and surface water by preventing  
leaching or runoff of acid-forming waste products and other waste products from the  
mining process.  
(xxii) A soil erosion and sedimentation control plan that meets the standards of part 91 of  
the act to effectively reduce accelerated soil erosion and sedimentation that may impact the  
affected area. The plan shall include, but not be limited to, all of the following:  
(A) The location, description, and schedule for installing and removing all proposed  
temporary soil erosion and sediment control measures.  
(B) A description and the location of all proposed permanent soil erosion and sediment  
control measures, and provisions for establishing the permanent soil erosion control  
measures as soon as possible after an earth change has been completed or if significant  
earth change activity ceases.  
(C) Provisions to limit the exposed area of any disturbed land to the shortest feasible  
period of time.  
(D) Provisions to remove sediment caused by accelerated soil erosion from runoff water  
before it leaves the mining area.  
(E) Temporary or permanent control measures for the conveyance of water around,  
through, or from the area affected by mining activities to limit the water flow to a  
nonerosive velocity.  
(F) Provisions for temporary soil erosion and sedimentation control measures before or  
upon commencement of the earth change activity; for maintaining the measures on a daily  
basis; and for removing the measures after permanent soil erosion measures are in place  
and the area is stabilized.  
(G) Provisions for stabilizing the area with permanent soil erosion control measures as  
soon as possible after an earth change has been completed or if significant earth change  
activity ceases.  
(xxiii) Plans for conducting reclamation activities concurrently with mining operations to  
the extent feasible.  
(xxiv) Plans for inspecting, monitoring, and maintaining liners, final covers, leachate  
collection systems, leak detection systems, berms, and embankments, including frequency  
of inspections. Inspecting or monitoring shall be conducted at least monthly.  
(d) A map and description of ownership of all tracts of land in the mining area and within  
1320 feet of the boundary of the mining area, including all of the following:  
(i) Ownership of surface rights.  
(ii) Ownership of mineral rights.  
(iii) Conservation easements as defined in section 2140 of the act.  
(iv) Historic preservation easements as defined in section 2140 of the act.  
(e) A description of measures to be taken to prevent damage to property not owned or  
controlled by the operator within and immediately adjacent to the mining area.  
(f) Measures to minimize impacts to the volumes and rates of recharge, flow, and  
discharge of groundwater and surface waters in the mining area and in the affected area  
sufficient to accommodate seasonal and long-term variations in precipitation, water  
quantity, and water quality.  
Page 13  
(g) A monitoring plan for monitoring of groundwater and surface water quality,  
groundwater levels, and surface water stage and discharge rates, during mining operations  
and during the post-closure monitoring period. The monitoring plan shall conform to  
existing statutes and rules, but is not required to include monitoring required under other  
permits.  
(i) The monitoring plan shall provide for monitor wells and structures to be located at  
points where mining activities have a reasonable potential for measurable impact on  
surface water or groundwater, taking into consideration the following:  
(A) Proximity to the mining activity.  
(B) The potential for diffusion and dispersion.  
(C) Horizontal and vertical groundwater gradients.  
(D) Seasonal variations in flow.  
(E) Topography, access, and other practical limitations.  
(ii) The monitoring plan shall comply with the requirements of R 425.406.  
(iii) The monitoring plan shall include all of the following:  
(A) Number and location of monitoring wells and structures.  
(B) Frequency of sampling and sampling procedure, including all of the following:  
(aa) The sampling method and volume of water to be removed from each well or sampling  
point during sampling.  
(bb) Steps taken to prevent cross contamination between samples.  
(cc) Sample handling and preservation methods.  
(dd) Laboratory analysis method.  
(ee) Laboratory method detection level.  
(ff) Quality assurance and quality control as approved by the department.  
(gg) Provisions for routine monitoring to be conducted at least every 3 months.  
(C) Sampling parameters, which shall include the following:  
(aa) Specific conductance.  
(bb) Temperature.  
(cc) The hydrogen ion concentration expressed as pH.  
(dd) Dissolved oxygen.  
(ee) Concentrations of calcium, sodium, magnesium, potassium, and iron.  
(ff) Concentrations of chloride, sulfate, and bicarbonate.  
(gg) Concentrations of other total and dissolved elements and compounds that may be  
introduced or affected by the mining activities, as identified in the environmental impact  
assessment.  
(D) A description of the techniques used to present and evaluate water quality monitoring  
data.  
(E) A description of the method used to collect static water levels and present groundwater  
flow data. Static water level precision shall be to 0.01 foot.  
(F) The depth and screened interval for each monitor well.  
(G) Provisions for design, construction, and abandonment of monitoring wells and  
structures that comply with R 425.406(2).  
(h) A treatment and containment plan that describes proposed measures to prevent  
contamination of groundwater and surface water from leaching of acidic water or dissolved  
metals.  
Page 14  
(i) The treatment and containment plan required under this subdivision shall apply to earth  
materials that are determined to be reactive under R 425.203(c)(v). The plan shall describe  
proposed measures for the following:  
(A) Design, construction, and operation of stockpiles and storage or disposal facilities for  
ore, waste rock, overburden, and tailings.  
(B) The management of peripheral rock that has been determined in the environmental  
impact assessment to have the potential to contaminate groundwater or surface water.  
(ii) The treatment and containment plan required under this subdivision shall account for  
the volume, rate, and movement of leachate that may be generated, and the influence of  
weather on the generation of leachate, including any adverse impacts from severe or  
extreme weather events.  
(iii) The treatment and containment plan required under this subdivision shall meet all  
applicable requirements of R 425.409.  
(i) A general description of blasting materials and methods.  
(j) If a threatened or endangered species may be impacted, a plan to protect the threatened  
or endangered species that conforms to the requirements of state and federal endangered  
species laws.  
(k) Plans to monitor, prevent, minimize, and mitigate any adverse impacts of the proposed  
mining operation on flora, fauna, fish or wildlife habitats, and biodiversity.  
(l) Where percolation leaching is proposed as a mining activity, plans demonstrating  
compliance with R 425.403.  
(m) A plan and schedule for inspection or monitoring, or both, of all mine related facilities  
at least monthly.  
(n) The name and qualifications of the person or persons who prepared the plan for the  
proposed mining operations.  
History: 2006 AACS.  
R 425.204 Reclamation Plan.  
Rule 204. The mining, reclamation, and environmental protection plan required under R  
425.201(1)(d) shall contain a plan for the proposed final reclamation operations, including  
the anticipated schedule, sequence, and duration of reclamation. The plan shall include  
information that demonstrates that all methods, materials, and techniques proposed to be  
used are capable of accomplishing their stated objectives in protecting the environment and  
public health, except that such information may not be required for methods, materials, and  
techniques that are widely used in mining or other industries and are generally accepted as  
effective. The required information may consist of results of actual testing, modeling,  
documentation by credible independent testing and certification organizations, or  
documented applications in similar uses and settings. The plan shall include, at a minimum,  
all of the following:  
(a) Information depicting and describing the items listed in paragraphs (i) to (iv) of this  
subdivision. Information that is amenable to clear depiction on a map shall be shown on a  
map or maps of the mining area drawn to an appropriate scale on a topographic base and  
referenced to the nearest government-surveyed section or quarter-section lines. Other  
required information shall be presented, as appropriate, by cross-sections, documents, and  
engineering drawings.  
Page 15  
(i) Final land contours.  
(ii) Proposed final land use and relationship to surrounding land and land use.  
(iii) Ponds, streams, wetlands, roads, dikes, drainage ditches, and soil erosion and  
sedimentation control structures that will remain after completion of reclamation.  
(iv) Plans and schedules for stabilizing waste rock piles, settling ponds, tailings disposal  
facilities, overburden banks, open pit banks and walls, roads, and the plant site. The plans  
shall include sloping, grading, terracing, and revegetating that will prevent slumping, land  
or rock slides, or other slope failure and will effectively reduce accelerated soil erosion and  
sedimentation. The plans shall include the following:  
(A) Provisions for sloping or terracing of the banks or bottoms of open pit surfaces that  
will be under water after cessation of mining, or other measures to prevent a hazard to  
public safety.  
(B) Provisions for replacing topsoil from surface areas disturbed by the mining operation  
as appropriate for the approved final land use.  
(C) Vegetation species and quantities, seedbed and planting area preparation, seeding and  
planting methods, mulching, fertilization, maintenance, and final density of plants.  
(b) Evidence satisfactory to the department that the proposed reclamation will conform to  
the following minimum performance standards:  
(i) Final disposition of all toxic and hazardous wastes, refuse, tailings and other solid  
waste shall be managed in a manner that protects the environment, natural resources and  
public health and safety, and in conformance with all other applicable federal and state  
laws and regulations.  
(ii) All shafts, portals, or other openings between the land surface and underground mine  
workings shall be sealed in a manner that will protect the environment, natural resources,  
and public health and safety and in accordance with all other applicable laws and  
regulations.  
(iii) All surface structures, infrastructure, rock stockpiles, and tailings disposal areas  
constructed as a part of the mining activities shall be removed, unless they are converted  
to an alternate use in accordance with the proposed final land use.  
(iv) All disturbed surface areas shall be stabilized to prevent accelerated erosion by wind  
or water.  
(v) All disturbed surface areas shall be revegetated with a variety of plants that are native  
to the area, except that non-native plants may be used for revegetation in areas where  
appropriate for an approved final land use that is different from the premining land use. In  
addition, plant species not native to the area may be used as approved by the department  
when necessary to provide temporary stabilization of slopes and prevention of erosion.  
(vi) Both the mining area and the affected area shall be reclaimed to achieve a self-  
sustaining ecosystem appropriate for the region that does not require perpetual care  
following closure and with the goal that the affected area shall be returned to the ecological  
conditions that approximate premining conditions subject to changes caused by nonmining  
activities or other natural events. Any portion of the mining area owned by the applicant  
may be used for any legal purpose.  
(c) Plans for monitoring of ground and surface water quality during the postclosure  
monitoring period.  
(d) The name and qualifications of the person or persons who prepared the plan for the  
proposed final reclamation operations.  
Page 16  
History: 2006 AACS.  
R 425.205 Contingency plan.  
Rule 205. (1) The contingency plan required under R 425.201(1)(e) shall include at a  
minimum all of the following:  
(a) An assessment of the risk to the environment or public health and safety associated  
with potential accidents or failures involving the following, and the response measures that  
shall be followed in each case:  
(i) Release or threat of release of toxic or acid-forming materials.  
(ii) Storage, transportation, and handling of explosives.  
(iii) Fuel storage and distribution.  
(iv) Fires.  
(v) Wastewater collection and treatment system.  
(vi) Settling pond or tailings disposal area embankment failure.  
(vii) Air emissions.  
(viii) Spills of hazardous substances.  
(ix) Other specific natural risks defined by the environmental impact assessment.  
(x) Power disruption.  
(xi) Unplanned subsidence.  
(xii) Leaks from containment systems for stockpiles or storage or disposal facilities.  
(b) A section that contains all of the following information:  
(i) The procedure for notifying the general public, public authorities, and safety agencies  
in the event of an emergency.  
(ii) A list, by title, of personnel to be contacted and their duties and responsibilities.  
(iii) The actions to be taken to restrict access of nonessential personnel to the area.  
(iv) If evacuation of the public is necessary, then the procedure for conducting the  
evacuation.  
(v) A list of emergency equipment and its location.  
(c) A list of emergency telephone numbers, including the following:  
(i) Representatives of the operator.  
(ii) The emergency management coordinator.  
(iii) Local ambulance services.  
(iv) Local hospitals.  
(v) Local fire and police departments.  
(vi) The department of environmental quality.  
(vii) The pollution emergency alerting system.  
(viii) Federal regulatory agencies as appropriate.  
(ix) The department of natural resources.  
(x) The local unit of government.  
(d) A plan for testing the contingency plan to assure its effectiveness.  
(2) The applicant shall submit a copy of the contingency plan to each emergency  
management coordinator having jurisdiction over the affected area at the time the  
application is submitted to the department.  
History: 2006 AACS.  
Page 17  
R 425.206 Amendment of permits.  
Rule 206. (1) A mining permit may be amended at any time to address changes in the  
mining operation, natural or humanmade conditions, or technology, or to correct an  
oversight. An application for amendment of a mining permit shall be submitted on a form  
prescribed by the department, signed by the permittee or an authorized representative of  
the permittee. The application shall include revisions of any of the following that are  
affected by the changes:  
(a) The environmental impact assessment.  
(b) The mining, reclamation, and environmental protection plan.  
(c) The contingency plan.  
(d) Federal, state, and local permits and licenses that are anticipated to be required.  
(e) Provisions for financial assurance required under R 425.301.  
(f) Other terms and conditions of the mining permit.  
(2) A permittee may submit a request to the department to amend a mining permit.  
(3) The department may require a permittee to submit an application for amendment of a  
mining permit if the department determines that the terms and conditions of the mining  
permit are not providing the intended reasonable protection of the environment, natural  
resources, or public health and safety.  
(4) Within 30 days after receiving a request to amend a mining permit, the department  
shall determine whether the request constitutes a significant change from the conditions of  
the approved mining permit. If the department determines that the request is a significant  
change, then the department shall submit the request for amendment to the same review  
process as provided for a new permit application in R 425.201(4).  
History: 2006 AACS.  
R 425.207 Transfer of permit.  
Rule 207. (1) If a permittee desires to transfer the mining permit to another person, then  
the acquiring person shall submit to the department a request for the transfer of the permit.  
The request for transfer of the permit shall be submitted on forms prescribed by the  
department, and shall be signed by an authorized representative of the permittee and an  
authorized representative of the acquiring operator. The request shall include the following:  
(a) An update of the contingency plan.  
(b) Provisions for financial assurance as prescribed in R 425.301.  
(c) An organization report for the acquiring operator.  
(2) Upon receiving a request for a transfer of a mining permit, the department shall inspect  
the mining area and determine whether the existing permittee is in violation of part 632 of  
the act or these rules at the mining site. If the department determines the permittee to be in  
violation, then the mining permit shall not be transferred to a person until the permittee has  
completed the necessary corrective actions or the person acquiring the mining permit has  
entered into a written consent agreement to correct all of the violations. The department  
may incorporate the consent agreement by reference in the mining permit.  
(3) A permit transfer is not effective until all other applicable permits are transferred to  
the acquiring operator. Until the department approves the transfer of a mining permit, the  
Page 18  
acquiring operator shall not operate the mine. Upon approval of a transfer request, the  
acquiring operator shall assume the responsibilities for mining activities specified in part  
632 of the act, these rules, a mining permit, or orders of the department under part 632 of  
the act.  
(4) If a permittee conveys his or her authority to operate a mine to another person, and a  
request for transfer of the mining permit has not been approved, then, in addition to other  
enforcement actions, the department may order the immediate suspension of any or all  
mining activities at the permitted site, including the removal or sale of metallic product.  
History: 2006 AACS.  
PART 3. FINANCIAL ASSURANCE  
R 425.301 Financial assurance; requirements.  
Rule 301. (1) A mining permit shall not be effective until the permittee establishes  
financial assurance in an amount in accordance with the mining permit as issued and in  
compliance with this rule. A permittee shall thereafter maintain financial assurance that is  
approved by the department during mining operations and during the postclosure  
monitoring period, until the department releases the permittee from its obligation to  
maintain financial assurance upon termination of the mining permit or upon transfer of the  
mining permit to another operator. Failure of a permittee to maintain financial assurance  
after the effective date of a mining permit as required by this subrule constitutes a violation  
of the mining permit and is grounds for the department to order immediate suspension of  
any or all mining activities, including the removal of metallic product from the site,  
pursuant to section 63221 of the act.  
(2) The financial assurance shall apply to all mining and reclamation operations subject  
to the mining permit and shall be sufficient to cover the cost to administer, and to hire a  
third party to implement the reclamation, remediation, and postclosure monitoring required  
under part 632 of the act, these rules, a mining permit, or orders of the department under  
part 632 of the act, including the costs to remediate any contamination of the air, surface  
water, or groundwater that is in violation of the mining permit. The amount of financial  
assurance shall be determined as follows:  
(a) The operator shall provide an itemized list of reclamation, remediation, and  
postclosure monitoring activities and costs associated with all of the following:  
(i) Mining activities subject to the mining permit where reclamation has not yet been  
completed.  
(ii) Mining activities that are anticipated to occur under the mining permit.  
(b) The department may require financial assurance in an amount larger than calculated  
by the operator under subdivision (a) of this subrule based upon an analysis of the projected  
costs under subdivision (c) of this subrule by the department.  
(c) The cost estimate required under this subrule shall be based on equipment, materials,  
and methods normally available to a third party contractor using current handbooks,  
publications, or other documented costs acceptable to the department. The cost estimate  
shall include at a minimum the costs for the following:  
(i) Reclamation.  
Page 19  
(ii) Remediation of any contamination of the air, surface water, or groundwater that is in  
violation of the mining permit.  
(iii) Administrative oversight.  
(iv) Reasonable contingencies.  
(v) Other necessary environmental protection measures.  
(d) The amount of an assurance instrument shall include any possible fees assessed by the  
issuing institution for accessing the instrument.  
(3) The financial assurance required under this rule shall consist of an assurance  
instrument or combination of instruments covering at least 75% of the total required  
amount. Financial assurance for the balance of the required amount, if any, shall consist of  
a statement of financial responsibility. When determining the portion of the financial  
assurance required under this rule that may be satisfied by a statement of financial  
responsibility, the department shall consider the following:  
(a) The ability of the operator to pay for potential remediation costs in the case of a  
violation of this part, as demonstrated by the information in the statement of financial  
responsibility.  
(b) Whether the operator carries pollution prevention or environmental liability insurance,  
and if so, the amount of the insurance.  
(c) Whether the operator has received a recognized third-party certification of an  
environmental management system for mining operations.  
History: 2006 AACS.  
R 425.302 Assurance instruments.  
Rule 302. (1) An assurance instrument shall consist of any of the following:  
(a) A trust fund or escrow account as described in R 425.303.  
(b) A surety bond as described in R 425.304.  
(c) An irrevocable letter of credit as described in R 425.305.  
(d) A certificate of deposit or time deposit account as described in R 425.306.  
(e) Other equivalent financial instruments approved by the department.  
(2) All assurance instruments shall be issued or maintained by entities that are not  
affiliated with the operator and shall not be invested in the activities regulated under this  
permit.  
(3) Assurance instruments shall include a provision requiring the issuing institution to  
give prompt notice to the department and permittee of any action alleging bankruptcy or  
insolvency of the issuing institution or a violation that would result in suspension or  
revocation of the license of the issuing institution.  
(4) The operator shall be responsible for all administrative costs involved in establishing  
and maintaining assurance instruments.  
(5) An assurance instrument shall be payable to the state of Michigan.  
(6) The permittee shall execute an agreement with the department that stipulates that the  
department may draw upon the assurance instrument under the conditions described in  
subrules (13) and (15) of this rule. The agreement shall be executed on a form approved by  
the department.  
Page 20  
(7) The assurance instrument required by this rule may be satisfied in whole or in part by  
assurance instruments required by other parts of the act if those instruments address the  
remediation activities required under part 632 of the act.  
(8) The operator may submit a written request to the department to adjust the amount of  
an assurance instrument provided the total value of all assurance instruments equals or  
exceeds the amount required under the mining permit. If the request meets the requirements  
of these rules, then the department shall within 60 days after receiving the request approve  
the adjustment.  
(9) A permittee may replace an existing assurance instrument with another approved  
assurance instrument or instruments that provides equivalent coverage, subject to approval  
by the department.  
(10) A financial institution shall not cancel, terminate, or suspend an assurance instrument  
without first giving the permittee and the department notice at least 90 days before the  
effective date of the cancellation, termination, or suspension. Such cancellation,  
termination, or suspension shall not affect any liability that shall have accrued under the  
assurance instrument before the effective date of cancellation, termination, or suspension  
unless the permittee provides a replacement assurance instrument approved by the  
department or unless the department shall otherwise release the assurance instrument.  
(11) A permittee is without the required financial assurance if filing of bankruptcy of the  
trustee or issuing institution, a suspension or revocation of the authority of the trustee  
institution to act as trustee, or a suspension or revocation of the authority of the institution  
issuing an assurance instrument to issue such instruments.  
(12) A permittee shall provide an alternative assurance instrument or instruments under  
the following conditions:  
(a) At least 30 days before the effective date of cancellation, termination, or suspension  
of an assurance instrument by the permittee or financial institution.  
(b) Within 30 days of the date the permittee becomes aware that a financial institution has  
become ineligible to provide or guarantee an assurance instrument due to bankruptcy or  
insolvency of the issuing institution or a violation that would result in suspension or  
revocation of the license of the issuing institution.  
(13) If a permittee fails to provide an alternative assurance instrument when required  
under subrule (12) of this rule, the department may do the following:  
(a) Immediately draw upon the assurance instrument or instruments.  
(b) Order the immediate suspension of any or all mining activities at the permitted site,  
including the removal of metallic product from the site, pursuant to section 63211(5) of the  
act. The permittee shall not resume the suspended mining activities until the department  
has determined that an acceptable replacement assurance instrument or instruments have  
been provided.  
(14) If the department draws upon an assurance instrument or instruments under subrule  
(13) of this rule, and the permittee subsequently provides an alternative assurance  
instrument or instruments approved by the department, then the department shall refund to  
the issuing financial institution or the permittee the forfeited funds, less any costs  
associated with the forfeiture.  
(15) The department may draw upon an assurance instrument to undertake action  
necessary to curtail or remediate any damage to the environment or public health under  
subrule (16) of this rule or to recover costs the department has incurred.  
Page 21  
(16) The department shall expend money from assurance instruments only for the  
recovery of costs described in R 425.301(2).  
(a) If the department takes action necessary to curtail and remediate any damage to the  
environment or public health under Sec. 63221(5) of the act, then the department shall file  
a claim for recovery of costs with the permittee. If the permittee fails to fully reimburse the  
department for the costs of such actions within 60 days after filing of the claim, then the  
department may recover its unreimbursed costs from the assurance instrument or  
instruments.  
(b) For any part of the department's costs not recovered from the permittee or the  
assurance instrument or instruments, the attorney general, acting for and on behalf of the  
department, may bring suit for the payment of the claim against the permittee and the  
financial institutions that executed an assurance instrument or instruments; provided, the  
liability of any financial institution for costs under the claim shall not exceed the value of  
the financial instrument or instruments provided by the institution under the provisions for  
financial assurance under these rules.  
(17) A permittee shall notify the department, by certified mail, of the commencement of  
a voluntary or involuntary proceeding under the bankruptcy provisions of Public Law 95-  
598, 11 U.S.C. Section 1 to 151302, naming the permittee as debtor, within 10 days after  
commencement of the proceeding.  
History: 2006 AACS.  
R 425.303 Trust fund or escrow account.  
Rule 303. (1) Subject to R 425.301, an operator may satisfy all or a portion of the financial  
assurance requirements by establishing a trust fund that conforms to the requirements of  
this rule. The trustee shall be a bank or other financial institution that has the authority to  
act as a trustee and whose trust operations are subject to federal or state oversight. The trust  
agreement shall be executed on a form approved by the department and shall designate the  
department as the sole beneficiary.  
(2) Subject to R 425.301, an operator may satisfy all or a portion of the financial assurance  
requirements by establishing an escrow account that conforms to the requirements of this  
rule. The escrow account shall be maintained by a bank or other financial institution whose  
account operations are subject to federal or state oversight.  
(3) Investments of the trust fund shall be reviewed and approved by the department and  
may include the following fixed income investments:  
(a) U.S. treasury obligations.  
(b) State issued securities.  
(c) Time deposits.  
(d) Other investments of similar risk as approved by the department.  
History: 2006 AACS.  
R 425.304 Surety bond.  
Rule 304. (1) Subject to R 425.301, an operator may satisfy all or a portion of the financial  
assurance requirements by obtaining a surety bond that is executed on a form approved by  
Page 22  
the department and that conforms to the requirements of this rule. The surety company  
issuing the surety bond shall, at a minimum, be among those listed as acceptable sureties  
on federal bonds in circular 570 of the United States department of the treasury.  
(2) The surety company shall not be liable for deficiencies in the performance of  
reclamation, remediation, and postclosure monitoring, by the permittee after the  
department releases the surety bond or releases the permittee from the requirements of part  
632 of the act.  
History: 2006 AACS.  
R 425.305 Irrevocable letter of credit.  
Rule 305. (1) Subject to R 425.301, an operator may satisfy all or a portion of the financial  
assurance requirements by obtaining an irrevocable letter of credit that conforms to the  
requirements of this rule and is executed on a form approved by the department. The issuing  
institution shall be a bank or financial institution which has the authority to issue letters of  
credit and whose letter of credit operations are regulated and examined by a federal or state  
agency.  
(2) The letter of credit shall include all of the following information:  
(a) The name of the operator.  
(b) The name and address of the mine.  
(c) The amount of funds assured for reclamation, remediation, and postclosure monitoring  
by the letter of credit.  
(3) The letter of credit shall be issued for a period of at least 1 year and shall be irrevocable  
during its term. The letter of credit shall be automatically extended for additional terms of  
1 year from the current or each future expiration date unless the issuing institution provides  
the permittee and the department, at least 60 days before the current expiration date, written  
notice by certified mail that the issuing institution elects to terminate the letter of credit at  
the end of its then current term.  
(4) The irrevocable letter of credit shall not be for an amount in excess of 10 percent of  
the bank's capital surplus account as shown on a balance sheet certified by a certified public  
accountant.  
(5) The issuing institution shall notify the department immediately if the issuing  
institution becomes ineligible to issue a letter of credit.  
History: 2006 AACS.  
R 425.306 Certificate of deposit or time deposit account.  
Rule 306. (1) Subject to R 425.301, an operator may satisfy all or a portion of the financial  
assurance requirements by placing funds in an insured, non-negotiable certificate of deposit  
or time deposit account held by a bank or other financial institution regulated and examined  
by a federal or state agency. The value of the certificate of deposit or time deposit account  
shall be insured by an agency of the United States government, unless otherwise approved  
by the department.  
(2) The certificate or account shall be in the sole name of the director of the department.  
Page 23  
History: 2006 AACS.  
R 425.307 Statement of financial responsibility.  
Rule 307. (1) The statement of financial responsibility under R 425.301(3) shall consist  
of the following:  
(a) A written statement signed by the operator's chief financial officer that lists data that  
show that the operator meets the criteria specified in subrule (2) of this rule, and states that  
the data are derived from an independently audited year-end financial statement.  
(b) An independent certified public accountant's report on examination of the operator's  
financial statement for the latest completed fiscal year stating that the accountant has  
compared the data listed in the statement provided under subdivision (a) of this subrule  
with the amounts in the corresponding year-end financial statement and that the accountant  
asserts the operator's statement of financial responsibility meets the criteria of subrule (2)  
of this rule and nothing came to the attention of the accountant that caused the accountant  
to believe that the financial statements should be adjusted.  
(2) The statement of financial responsibility under R 425.301(3) shall meet all of the  
following criteria:  
(a) The operator must satisfy 1 of the following 3 conditions:  
(i) A current rating for its senior unsecured debt of AAA, AA, A, or BBB as issued by  
Standard and Poor's or Aaa, Aa, A, or Baa as issued by Moody's.  
(ii) A ratio of total liabilities to tangible net worth less than 1.5.  
(iii) A ratio of the sum of net income plus depreciation, depletion and amortization, minus  
$10 million, to total liabilities greater than 0.10.  
(b) The operator shall have a tangible net worth not less than 25% of the financial  
assurance required under R 425.301 plus $10 million.  
(c) The operator shall have total assets located in North America of not less than 25% of  
the sum of the financial assurance required under R 425.301 plus the financial assurance  
requirements of other parts of the act and equivalent or substantially equivalent federal or  
state regulations. Declared mineral reserves, except for mineral reserves at the permitted  
site, may be utilized in determining current assets only to the extent that the value of the  
reserves exceeds the projected costs of development and production.  
(3) For determining qualifications for use of a statement of financial responsibility,  
liabilities as determined under subrule (2) of this rule shall include responsibilities of the  
operator for reclamation or remediation, or both, at other mining operations owned or  
operated by the operator.  
(4) Within 90 days after the end of each fiscal year after the effective date of a mining  
permit, a permittee who utilizes a statement of financial responsibility to satisfy the  
requirements of this rule shall submit to the department documents described in subrule (1)  
of this rule for the fiscal year just completed.  
(5) If a corporate parent or affiliate of the operator meets the requirements of subrules (1)  
and (2) of this rule, then the operator may use its parent or affiliate to provide the financial  
assurance allowed under this rule. The department shall not approve an operator's use of a  
corporate parent or affiliate as acceptable financial assurance under this rule unless the  
parent or affiliate also provides the department with a guarantee of the amount sought to  
be assured through the statement of financial responsibility. The guarantee shall be in a  
form acceptable to the department.  
Page 24  
(6) If the permittee has reasonable knowledge at any time before the year-end review  
under subrule (4) of this rule that it ceases to meet the requirements of subrule (2) of this  
rule, then the permittee shall within 10 days notify the department.  
(7) The permittee shall provide alternate financial assurance within 60 days after the date  
on which the permittee finds, under subrule (4), (5), or (6) of this rule, that it no longer  
meets the requirements of subrule (2) of this rule.  
(8) The department may, based on a reasonable belief that a permittee no longer meets  
the requirements of subrule (2) of this rule, require reports of financial condition at any  
time from the permittee in addition to the information required by subrule (2) of this rule.  
If the department finds, on the basis of a review of such reports or other information, that  
the permittee no longer meets the requirements of subrule (2) of this rule, then the  
department shall notify and inform the permittee in writing. Within 30 days of the  
notification, the permittee shall provide alternate financial assurance as specified in part  
632 of the act.  
(9) Failure of a permittee to comply with the requirements of subrule (4) to (8) of this rule  
shall be cause for the department to order the immediate suspension of any or all mining  
activities at the permitted site, including the removal of metallic product, pursuant to  
section 63211(5) of the act. The permittee shall not resume mining operations until the  
department has determined that an acceptable replacement assurance instrument or  
instruments have been provided.  
History: 2006 AACS.  
R 425.308 Financial assurance; update.  
Rule 308. (1) A permittee shall update the calculation of the cost to administer, and to  
hire a third party to implement, the reclamation, remediation, and postclosure monitoring  
required under R 425.301(2) every 3 years or as the department determines to be necessary.  
The update shall include the following:  
(a) A description of the reclamation and postclosure monitoring completed since the last  
update.  
(b) An estimate of the cost to administer, and to hire a third party to implement,  
reclamation under the mining, reclamation, and environmental protection plan that has not  
been completed, as well as necessary environmental protection measures, including  
remediation of any contamination of the air, surface water, or groundwater that is in  
violation of the mining permit.  
(c) The effects of inflation on the costs of reclamation and postclosure monitoring.  
(2) A permittee shall update an assurance instrument required under R 425.301 in  
accordance with 1 of the following schedules:  
(a) If the amount of the assurance instrument equals or exceeds the cost to administer, and  
to hire a third party to implement, the reclamation, remediation, and postclosure monitoring  
as originally calculated, multiplied by the Detroit consumer price index as of January 1 of  
each year, then the permittee shall update the assurance instrument every 3 years by April  
1 of the succeeding year.  
(b) If the amount of the assurance instrument does not equal or exceed the cost to  
administer, and to hire a third party to implement, the reclamation, remediation, and  
postclosure monitoring as originally calculated, multiplied by the Detroit consumer price  
Page 25  
index as of January 1 of each year, then the permittee shall update the assurance instrument  
by April 1 of the succeeding year.  
(3) The department shall provide notice of an adjustment of the financial assurance to any  
interested person who has requested notice.  
History: 2006 AACS.  
R 425.309 Final release of financial assurance.  
Rule 309. (1) A permittee may file an application with the department for final release of  
financial assurance upon termination of the permit.  
(a) Within 30 days after receipt of an application for termination of financial assurance,  
the department shall reach a proposed decision to grant or deny the application based on  
inspection and review to determine compliance with requirements for termination of the  
permit, and shall provide notice of the proposed decision to any interested person who has  
requested notice.  
(b) The department shall grant or deny an application for termination of financial  
assurance not less than 30 days or more than 45 days after providing the notice required  
under subdivision (a) of this subrule.  
(c) If the department grants the application, the department shall within 30 days release  
cash to the permittee or securities to the institution that provided the assurance instrument.  
(d) If the department denies the application, then the department shall notify the permittee  
in writing, stating the reasons for denial and recommending corrective actions necessary to  
secure the termination.  
(2) The department shall approve termination of all assurance instruments for a permittee  
of record upon the effective date of transfer of the permit to a new operator.  
History: 2006 AACS.  
PART 4. MINING OPERATIONS  
R 425.401 Notice of commencement of mining.  
Rule 401. (1) A permittee proposing to begin mining shall submit written notice to the  
department of the date mining will commence at least 30 days before commencing new  
mining activities.  
(2) A permittee who has ceased all mining activities for a period of 90 days or more shall  
submit written notice to the department of the date mining activities will resume at least 30  
days before resumption of mining activities.  
History: 2006 AACS.  
R 425.402 Safety measures.  
Rule 402. If hazards to life or property, or both, exist within a mining area, then the  
permittee shall post safety signs in conspicuous places around the site of the hazard. The  
Page 26  
permittee shall utilize fencing, gates, or other measures to safeguard the public from  
unauthorized entry into shafts, adits, portals, or other openings between the land surface  
and underground workings. The department may require the installation of fences, gates,  
or other safety measures not inconsistent with other laws or regulations.  
History: 2006 AACS.  
R 425.403 Percolation leaching; requirements.  
Rule 403. A person shall not conduct percolation leaching as a nonferrous metallic mining  
activity until such time as this rule is amended to establish standards and criteria for  
percolation leaching.  
History: 2006 AACS.  
R 425.404 Commencement of reclamation.  
Rule 404. (1) If a permittee has ceased all mining and beneficiation for a continuous  
period exceeding 90 days, the permittee shall notify the department and shall take actions  
to maintain, monitor, and secure the mining area and shall conduct any interim sloping or  
stabilizing of surfaces necessary to protect the environment, natural resources, or public  
health and safety in accordance with the mining permit.  
(2) A permittee shall begin final reclamation of a mining area within 3 years of the date  
of cessation of mining and beneficiation unless the department has granted an extension of  
time to begin final reclamation.  
(3) A permittee shall complete reclamation of a mining area within the time in the  
approved mining, reclamation, and environmental protection plan unless the department  
has granted an extension of time under subrule (4) of this rule to complete final reclamation.  
(4) A permittee may submit a written request to the department for an extension of time  
to begin or complete final reclamation. The department shall grant the request if the  
permittee shows good cause for the extension and the department determines the extension  
will not cause a threat of damage to the environment, natural resources, or public health  
and safety. If the reason for the request for extension is economics of the mining operation,  
then the permittee shall provide justification in the form of projections of metal prices,  
pending technological improvements, or other reasons demonstrating a likelihood that the  
mine may become economic at a future time. The term of an extension shall not be more  
than 12 months. The department may grant additional extensions subject to the provisions  
of this rule. When approving extensions, the department may require the permittee to  
conduct interim reclamation activities and monitoring that the department finds necessary  
to implement the purposes of the act.  
(5) A permittee shall, to the extent feasible, conduct reclamation activities concurrently  
with the mining operation, and in any event shall initiate reclamation activities at the  
earliest possible time after cessation of mining activities in any portion of the mining area.  
History: 2006 AACS.  
Page 27  
R 425.405 Notice and approval of completed reclamation.  
Rule 405. (1) A permittee shall submit written notice to the department upon completion  
of reclamation work on the mining area or portions thereof.  
(2) The department shall proceed promptly to make its determination as to the approval  
of the reclamation work and shall notify the permittee in writing of either the approval of  
the work or all reasons for disapproval.  
(3) Approval of vegetative cover shall not be granted until the planting has survived at  
least 2 growing seasons with reasonable assurances of being self-sustaining.  
History: 2006 AACS.  
R 425.406 Protection of water.  
Rule 406. (1) A permittee shall conduct groundwater and surface water monitoring  
according to the approved monitoring plan as described in R 425.203(g) during mining  
operations and during the postclosure monitoring period.  
(2) An operator shall design, construct, and abandon a monitoring well as prescribed in R  
323.2223(4).  
(3) Water monitoring shall include the collection of water quality samples from  
groundwater and surface water, groundwater levels, and surface water levels and discharge  
rates. The design of the water monitoring systems shall be based on all of the following:  
(a) The environmental impact assessment.  
(b) The local geology and hydrology.  
(c) Groundwater and surface water conditions specific to each activity.  
(4) Surface water monitoring sites shall be designed and located to adequately assess the  
impact of a specific mining activity on surface water.  
(5) Groundwater monitoring sites shall be designed and located as follows:  
(a) Leachate monitoring wells shall be located within, or as close as physically practicable  
to, a storage or disposal facility for the following materials that are determined to be  
reactive, to determine the geochemical conditions of the facility.:  
(i) Overburden.  
(ii) Ore.  
(iii) Waste rock.  
(iv) Tailings.  
(b) Compliance monitoring wells shall be located as close as physically practicable but  
not more than 150 feet from the mining activity being monitored. However, the department  
may approve an alternative water monitoring location if the operator demonstrates the  
location is protective of the environment and public health and safety, and a closer location  
is not feasible or effective.  
(6) A permittee shall notify the department and shall institute an increased monitoring  
program as may be directed by the department at such time as sampling of leachate  
monitoring wells or compliance monitoring wells detects concentrations of a solute 2  
standard deviations above the long-term average background level for 2 consecutive  
sampling events.  
(7) An action level is reached at such time as sampling of leachate monitoring wells and  
compliance monitoring wells detects either of the following:  
Page 28  
(a) Concentrations of a solute that equal or exceed ½ the level between the long-term  
average background and the drinking water standard for two consecutive sampling events.  
(b) Concentrations of hydrogen ion, expressed as pH, that differ from the long-term  
average background by 0.5 units or more for 2 consecutive sampling events.  
(8) When an action level is reached as described in subrule (7) of this rule, then the  
permittee shall proceed in a timely manner to do the following:  
(a) Implement increased monitoring as approved by the department.  
(b) Conduct a source investigation to determine the cause of the change in water quality  
and provide a report on the investigation to the department.  
(c) Implement a plan for response activity as approved by the department if the change in  
water quality is determined by the department to be caused by a release associated with a  
mining activity that is the responsibility of the permittee.  
(9) Failure of a permittee to meet the requirements of subrules (6) to (8) of this rule shall  
constitute a violation of this part. Implementing actions required by this rule does not  
relieve the permittee from other obligations under this act.  
History: 2006 AACS.  
R 425.407 Postclosure monitoring.  
Rule 407. The postclosure monitoring period shall be 20 years following completion and  
approval of reclamation, subject to the following conditions:  
(1) The permittee shall provide to the department a written request to terminate the  
postclosure monitoring not less than 18 months before the proposed termination date and  
shall provide the department with technical data and information demonstrating the basis  
for the termination. The department shall extend the postclosure monitoring period in  
increments of up to 20 years unless the department determines, approximately 1 year before  
the end of a postclosure monitoring period or postclosure incremental monitoring period,  
that there is no significant potential for water contamination resulting from the mining  
operation.  
(2) The department may shorten the postclosure monitoring period at any time upon  
determining that there is no significant potential for water contamination resulting from the  
mining operation.  
(3) The department may extend or shorten the postclosure monitoring period only after  
public notice and opportunity for a public hearing.  
History: 2006 AACS.  
R 425.408 Inspections by department.  
Rule 408. (1) The department may enter at all reasonable times in or upon a mining area  
for the purpose of inspecting and investigating conditions relating to the operation of a  
mining area.  
(2) If the department receives an allegation of improper action under or a violation of part  
632 of the act, these rules, or a mining permit, and the person making the allegation  
provides evidence or corroboration sufficient to support the allegation, as determined by  
the department, the department shall do all of the following:  
Page 29  
(a) Make a record of the allegation.  
(b) Conduct an inspection of the mining operation to investigate the allegation not more  
than 5 business days after receipt of the complaint or allegation.  
(c) Not more than 15 business days after completing an investigation of the allegation,  
provide a written report of the allegation and the results of the investigation to the operator  
and the person who made the allegation.  
(3) The department shall conduct a complete inspection and report of a nonferrous  
metallic mineral mining operation at least quarterly to determine compliance with the act  
and these rules. An inspection under subrule (2) of this rule or under R 425.207(2) shall  
satisfy the requirement of this subrule if the inspection is a complete inspection.  
History: 2006 AACS.  
R 425.409 Treatment and containment of reactive materials.  
Rule 409. An operator shall manage overburden, ore, waste rock, peripheral rock, and  
tailings determined to be reactive under R 425.203(c)(v) in accordance with this rule and  
in a manner that is designed to reasonably minimize actual and potential adverse impacts  
on groundwater and surface water by preventing leaching or runoff of acid-forming waste  
products and other waste products from the mining process.  
(a) An operator shall design, construct, and operate stockpiles or storage facilities for  
reactive overburden, ore, waste rock, or tailings in compliance with paragraph (i) or (ii) of  
this subdivision.  
(i) A stockpile or storage facility shall meet the following requirements:  
(A) A stockpile or storage facility shall have a composite liner system comprised of a  
flexible synthetic membrane that is not less than 60 mils thick and a layer of at least 3 feet  
of compacted soil having a maximum hydraulic conductivity of 1.0 X 10-7 cm/sec.  
(B) The department may approve an alternative liner system that uses other materials or  
designs, including modified soil liners, or technologically advanced systems only if the  
operator provides data to demonstrate the alternative is capable of providing equivalent or  
better protection as compared to the requirements under subparagraph (A).  
(C) A stockpile or storage facility shall have a leachate collection system.The system shall  
be designed, constructed, and operated to limit the hydraulic head at the lowest point in the  
system to not more than 1 foot, excluding the collection sump, after construction.  
(D) A stockpile or storage facility shall have a leak detection system.  
(E) The liner, leachate collection system, and leak detection system shall be tested before  
the placement of overburden, ore, waste rock, or tailings into the facility.  
(F) A cover shall be employed to isolate the reactive overburden, ore, or waste rock from  
precipitation and air as soon as practicable.  
(G) A registered professional engineer or other qualified individual shall certify the proper  
design, construction, and testing of all liners, covers, and leachate collection systems  
required by this paragraph. The permittee shall submit the certification to the department  
and shall not begin placement of ore, waste rock, overburden, or tailings in the storage  
facility until approved by the department.  
(ii) Subject to approval of the department, an operator may utilize an alternative plan for  
a stockpile or storage facility for reactive overburden, ore, waste rock, or tailings. The  
department may approve an alternative plan only if the operator provides data that  
Page 30  
demonstrates that the alternative plan is capable of providing protection of groundwater  
and surface water that is equivalent to or better than that provided under paragraph (i) of  
this subdivision. The alternative plan shall incorporate 1 or more of the following:  
(A) Measures to prevent the generation of leachate by adding a material or materials that  
counteract or neutralize the acid-forming or toxic characteristics of the ore, waste rock,  
overburden, or tailings.  
(B) Measures to treat or neutralize any leachate that may be generated before it migrates  
outside of the storage facility.  
(C) Measures to isolate the ore, waste rock, overburden, or tailings from oxygen and other  
oxidizing substances.  
(D) Measures to isolate the ore, waste rock, overburden, or tailings from groundwater or  
surface water.  
(b) An operator may utilize a disposal facility to manage, contain, or isolate reactive waste  
rock, tailings, overburden, or peripheral rock subject to approval of the department. A  
disposal facility may consist of a mined area that will be backfilled. The department shall  
not approve the plans for a disposal facility unless the operator demonstrates that the  
design, construction, operation, and closure of the disposal facility will reasonably  
minimize the actual and potential adverse impacts on groundwater and surface water by  
preventing leaching or runoff of acid-forming waste products and other waste products  
from the mining process and will not require perpetual care following closure in accordance  
with MCL 324.63209(8) and with R 425.204(b)(vi).  
(c) A stockpile or storage or disposal facility under this rule shall be monitored in  
compliance with R 425.406.  
(d) A permittee shall conduct and maintain grading or diking at stockpiles and storage or  
disposal facilities subject to this rule to assure that surface water drains away from the  
storage or disposal area.  
History: 2006 AACS.  
PART 5. REPORTS  
R 425.501 Mining and reclamation report.  
Rule 501. (1) A permittee shall file an annual mining and reclamation report with the  
department; the city, village, or township where the proposed mining operation is located;  
and the Indian governing body having jurisdiction over an Indian reservation containing  
all or part of the mining area or affected area. The report shall be filed in printed and  
electronic format on or before March 15 of each year during the period the mine is  
operating and during the postclosure monitoring period. The department shall post a copy  
of the report on the department website.The report shall contain all of the following:  
(a) A map or maps drawn to an appropriate scale on a topographic base and referenced to  
the nearest government-surveyed section or quarter-section lines, accompanied by  
appropriate documents or notations, depicting and describing all of the following as they  
existed on December 31 of the previous year:  
(i) The locations and dimensions of portals, shafts, or other openings between the land  
surface and underground mine workings.  
Page 31  
(ii) The location, depth, and contours or slopes of surface pits, underground mine  
excavations, or both.  
(iii) The location of buildings, equipment, roads, railroad spurs, power supplies, fuel  
storage, or other pertinent features within the mining area.  
(iv) Overburden, waste rock, and ore stockpiles.  
(v) Settling ponds and tailings disposal areas.  
(vi) Drainage control structures and grading.  
(vii) Areas that the permittee has reclaimed during the past calendar year.  
(viii) Areas that the permittee anticipates will be reclaimed during the current calendar  
year.  
(ix) The name of the person or persons responsible for the preparation of the report, and  
the date of preparation.  
(b) An update of the contingency plan. The permittee shall provide a copy of the update  
to the emergency management coordinator.  
(c) A report of monitoring, leak detection, inspection, and leachate collection results for  
the preceding calendar year.  
(d) A report of the total tons of material mined from the mining area, and the amount of  
metallic product by weight, produced from the nonferrous metallic mineral mine for the  
preceding calendar year.  
(e) An updated organization report.  
(f) An update of the characterization of reactivity of the ore, waste rock, and overburden  
that will be mined, and peripheral rock that will be exposed in the process of mining, and  
of any tailings that will be generated.  
(g) A list and summary of the reports required under R 425.503(1) for the preceding  
calendar year.  
(2) Records upon which the mining and reclamation reports are based shall be preserved  
by the permittee for 3 years and made available to the department upon request.  
(3) A permittee shall file with the department an updated estimate of the cost of  
reclamation for mining activities planned for the current and succeeding 2 years of  
operation of the mine on or before March 15 of every third year after issuance of the mining  
permit.  
History: 2006 AACS.  
R 425.502 Update of contingency plan.  
Rule 502. In addition to the annual update of the contingency plan required in R  
425.501(1)(b), a permittee shall promptly provide an update of the contingency plan to the  
department and the local emergency management coordinator whenever either of the  
following occurs:  
(a) A change of the notification process or local representatives of the permittee.  
(b) A substantial change in the site conditions or equipment noted on the plan.  
History: 2006 AACS.  
R 425.503 Report of incident.  
Page 32  
Rule 503. (1) A permittee shall promptly notify the department, and each emergency  
management coordinator having jurisdiction over the affected area, of any incident, act of  
nature, or exceedance of a permit standard or condition at a mining operation that has  
created, or may create, a threat to the environment, natural resources, or public health and  
safety.  
(a) The notification shall be made as soon as possible following the incident, act of nature,  
or exceedance, by telephone or in person, to an authorized representative of the department  
during normal business hours or to the department pollution emergency alerting system  
between 5 p.m.and 8 a.m. and on weekends and holidays.  
(b) The permittee shall submit to the department a detailed written incident report giving  
the particulars of the incident, act of nature, or exceedance within 10 days of discovery.  
The report shall include all of the following information, to the extent known:  
(i) The name of permittee.  
(ii) The name of the person reporting the incident, act of nature, or exceedance.  
(iii) The date and time of the incident, act of nature, or exceedance.  
(iv) The nature of the incident, act of nature, or exceedance.  
(v) The nature and degree of the threat to the environment, natural resources, or public  
health or safety.  
(vi) Response actions taken or planned.  
(c) If the response to the incident, act of nature, or exceedance is not concluded at the time  
the incident report is filed as required by subdivision (b) of this subrule, then the permittee  
shall submit to the department a written final incident report within 30 days after the  
incident response is concluded. The final incident report shall contain a summary of the  
initial incident report and an account of all response actions taken. If the final response to  
the incident, act of nature, or exceedance is not concluded within 30 days, then the  
department may require periodic progress reports.  
(2) Records upon which reports under subrule (1) of this rule are based shall be preserved  
by the permittee for 3 years or until the end of the postclosure monitoring period, whichever  
is later, and shall be made available to the department at all times.  
History: 2006 AACS.  
PART 6. MEETINGS AND HEARINGS  
R 425.601 Public meetings on prospective mining operations.  
Rule 601. The department may hold a public meeting or meetings at any time after it  
determines that there is a reasonable likelihood that a person will apply for a permit  
authorizing mining operations regulated under part 632 of the act. The purpose of the public  
meeting or meetings shall be to provide information on the regulation of nonferrous  
metallic mineral mining and to receive public comment on prospective nonferrous metallic  
mineral mining operations. This rule shall not prevent a local unit of government from  
taking any lawful action under section 63203(4) of the act.  
History: 2006 AACS.  
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R 425.602 Contested case hearing.  
Rule 602. (1) Any person who is aggrieved by an order, action, or inaction of the  
department or by the issuance, denial, revocation, termination, or amendment of a mining  
permit under part 632 of the act may file a petition for a contested case hearing with the  
department. Following the filing of a petition, the State Office of Administrative Hearings  
and Rules shall conduct a hearing and issue a proposal for decision in accordance with  
provisions for contested cases in 1969 PA 306, MCL 24.201 et seq. and R 324.1 to R  
324.81. Unless waived by the parties, the department shall issue a final decision on a  
petition for a contested case hearing within 6 months after receiving the petition.  
(2) A determination, action, or inaction by the department following a contested case  
hearing shall be subject to judicial review as provided in 1969 PA 306, MCL 24.201 et seq.  
(3) A petition shall be in writing and shall set forth the basis for the filing of the petition.  
A petition filed more than 60 days after the petitioner knew, or reasonably should have  
known, of an order, action, or inaction of the department or a decision on a mining permit  
may be rejected as being untimely.  
History: 2006 AACS.  
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