DEPARTMENT OF ENVIRONMENTAL QUALITY

AIR QUALITY DIVISION

AIR POLLUTION CONTROL

(By authority conferred on the director of environmental quality by sections 5503 and

5512 of 1994 PA 451, MCL 324.5503 and 324.5512, and Executive Reorganization

Order Nos. 1995-16, 2009-31, and 2011-1, MCL 324.99903, 324.99919, and 324.99921)

PART 1. GENERAL PROVISIONS

R 336.1101 Definitions; A.

Rule 101. As used in these rules:

(a) "Act" means 1994 PA 451, MCL 324.5501 to 324.5542.

(b) "Actual emissions" means the average rate, in tons per year, at which the process

or process equipment actually emitted the air contaminant during the preceding 2-year

period and which was representative of the normal operation of the process or process

equipment. A different time period may be used if the time period can be demonstrated

to be more representative of normal operation. Actual emissions shall be calculated using

the process's or process equipment's actual operating hours, production rates, and types of

materials processed, stored, or combusted during the selected time period. The

department may presume that the actual emissions for a process or process equipment

shall equal the allowable emissions for such process or process equipment if the

allowable emissions are identified in the demonstration for an approved state

implementation plan. For any process or process equipment that has not begun normal

operations, actual emissions shall equal the allowable emissions. The term "actual

emissions" is not applicable in parts 6 and 7 of these rules.

(c) "Adhesion prime" means a coating that is applied to a polyolefin part to promote

the adhesion of a subsequent coating. An adhesion prime is clearly identified as an

adhesion prime or adhesion promoter on its accompanying material safety data sheet.

(d) "Affected states" means all states that are contiguous to the state of Michigan

and whose air quality may be affected by a proposed operating permit, operating permit

modification, or operating permit renewal or that are within 50 miles of the stationary

source for which a permit action is proposed.

(e) "Air-cleaning device" means air pollution control equipment.

(f) "Air contaminant" means a dust, fume, gas, mist, odor, smoke, vapor, or any

combination thereof.

(g) "Air-dried coating" means a coating that is dried by the use of air or forced warm

air at temperatures up to 90 degrees Celsius (194 degrees Fahrenheit).

(h) "Air pollution" has the same meaning as defined in section 5501 of the act.

(i) "Air pollution control equipment" means any method, process, or equipment that

removes, reduces, or renders less noxious air contaminants discharged into the

atmosphere.

Page 1

Courtesy of www.michigan.gov/orr

(j) "Air quality standard" means the concentration and duration of an air

contaminant specified by the department or by the national ambient air quality standards

as contained in the provisions of 40 C.F.R. part 50, adopted by reference in R 336.1902,

whichever is more restrictive, as the maximum acceptable concentration and duration of

that contaminant in the ambient air.

(k) "Allowable emissions" means the emission rate calculated using the maximum

rated capacity of the process or process equipment, unless there are legally enforceable

limits that restrict the operating rate or the hours of operation, or both, and the most

stringent of the following:

(i) Any applicable standards pursuant to the clean air act.

(ii) Any applicable emission limit specified in these rules, including a limit that has

a future compliance date.

(iii) Any applicable emission rate specified as a legally enforceable permit condition

or voluntary agreement, performance contract, stipulation, or order of the department,

including a rate that has a future compliance date.

(l) "Alternate opacity" means that standard for density of emission which is greater

than the standard specified in R 336.1301(1) and which is established by the department

for a specific process or process equipment in accordance with the provisions of

R 336.1301(4).

(m) "Alternative method," with respect to source sampling, means a method or set of

procedures for obtaining source samples which is not a reference test method or an

equivalent method and which has been demonstrated, to the department's satisfaction, to,

in specific cases, produce results adequate for a performance test.

(n) "Ambient air" means that part of the atmosphere outside of buildings to which

the general public has access.

(o) "Applicable requirement" means any of the following as they apply to process or

process equipment, including requirements that have been approved as administrative

rules under the act pursuant to the administrative procedures act, 1969 PA 306,

MCL 24.201 to 24.328 or promulgated by the United States environmental protection

agency through final rulemaking at the time of issuance of a permit under the act and

which will become effective during the permit term:

(i) A standard or other requirement provided for in the Michigan state

implementation plan, as approved or promulgated by the United States environmental

protection agency through rulemaking under title I of the clean air act, that implements

the relevant requirements of the clean air act, including any revisions to that plan

promulgated

in

40 C.F.R. part 52.

(ii) A standard or requirement enacted as a part of the act or promulgated in

administrative rules pursuant to the act.

(iii) A term or condition of any permit issued pursuant to the act or regulations

approved or promulgated through rulemaking under title I of the clean air act, including

parts C or D.

(iv) A term or condition of an order entered pursuant to the act that is necessary to

ensure or demonstrate compliance with any other applicable requirement.

(v) A term or condition of a permit issued by the United States environmental

protection agency pursuant to title I, subpart C, of the clean air act.

Page 2

Courtesy of www.michigan.gov/orr

(vi) A term or condition of any permit issued pursuant to the Wayne county air

pollution control ordinance, adopted pursuant to the home rule charter for Wayne county,

resolution no. 85-305, as amended by resolution no. 89-213.

(vii) A term or condition of an order entered pursuant to the Wayne county air

pollution control ordinance, adopted pursuant to the home rule charter for Wayne county,

resolution no. 85-305, as amended by resolution no. 89-213, that is necessary to ensure or

demonstrate compliance with any other applicable requirement.

(viii) A standard or other requirement under the clean air act, including any of the

following:

(A) A standard for the performance of new stationary sources or other requirement

under section 111 of the clean air act, including section 111(d).

(B) A standard for hazardous air pollutants or other requirement under section 112

of the clean air act, including any requirement concerning accident prevention under

section 112(r)(7).

(C) A standard or other requirement of the acid rain program under title IV of the

clean air act or the regulations promulgated thereunder.

(D)

A

requirement for enhanced monitoring established pursuant to

sections 114 (a)(3) or 504(b) of the clean air act.

(E) A standard or other requirement governing solid waste incineration under

section 129 of the clean air act.

(F) A standard or other requirement for consumer and commercial products under

section 183(e) of the clean air act.

(G) A standard or other requirement for tank vessels under section 183(f) of the

clean air act.

(H) A standard or other requirement of the regulations promulgated to protect

stratospheric ozone under title VI of the clean air act, unless the administrator of the

United States environmental protection agency has determined that the standard or

requirement need not be contained in a renewable operating permit required under title V

of the clean air act.

(I) A national ambient air quality standard or increment or visibility requirement

under the clean air act, title I, part C, but only as it would apply to temporary sources.

Any applicable requirement which results solely from the requirements of the act, the

rules promulgated under the act, or the home rule charter for Wayne county, resolution

no.

85-305, as amended by resolution no. 89-213, is not enforceable under the clean air act.

(p) "Applicant" means a person who owns or operates a stationary source and who

files an application for a permit with the department.

(q) “Aqueous based parts washer” means a tank containing liquid with a volatile

organic compound content of less than 5 %, by weight, and at a temperature below its

boiling point that is used to spray, brush, flush, or immerse metallic and/or plastic objects

for the purpose of cleaning or degreasing.

(r) "ASTM" means the American society for testing and materials.

(s) "Automobile" means any passenger motor vehicle capable of seating not more

than 12 occupants.

History: 1980 AACS; 1981 AACS; 1985 AACS; 1988 AACS; 1989 AACS; 1990 AACS; 1993

AACS; 1995 AACS; 1998-2000 AACS; 2003 AACS; 2016 AACS.

Page 3

Courtesy of www.michigan.gov/orr

R 336.1102 Definitions; B.

Rule 102. As used in these rules:

(a) "Best available control technology for toxics" or "T-BACT" means the

maximum degree of emission reduction which the department determines is reasonably

achievable for each process that emits toxic air contaminants, taking into account energy,

environmental, and economic impacts and other costs.

(b) "Best available information" means the most scientifically credible and relevant

data available for a particular air contaminant in relation to a risk assessment or the

development of screening levels. Such information may be taken from the scientific

literature or the integrated risk information system database maintained by the United

States environmental protection agency and from other databases, as appropriate. The

term includes other pertinent studies or reports containing data which the department

finds to be of adequate quality for use in the risk assessment.

(c) "Black coating" means a coating that meets both of the following criteria:

(i) Maximum lightness: 23 units.

(ii) Saturation: less than 2.8, where saturation equals the square root of A² + B².

These criteria are based on Cielab color space, 0/45 geometry. For spherical geometry,

specular included, maximum lightness is 33 units.

(d) "Blending tank," as it pertains to R 336.1631, means any vessel in which organic

resin and solvent or other materials are added to produce a product blend.

(e) "Business machine" means a device that uses electronic or mechanical methods

to process information, perform calculations, print or copy information or convert sound

into electrical impulses for transmission, including devices listed in standard industrial

classification numbers 3572, 3573, 3574, 3579, and 3661, and photocopy machines, a

subcategory of standard industrial classification number 3861.

History: 1981 AACS; 1989 AACS; 1992 AACS; 2002 AACS; 2008 AACS; 2016 AACS.

R 336.1103 Definitions; C.

Rule 103. As used in these rules:

(a) "Calendar day" means a 24-hour time period which normally is midnight to

midnight, but which may, upon written notification to the department, cover a different,

consecutive 24-hour time period for a specific process.

(b) "Capacity factor" means the ratio of the average load on a machine or equipment

for the period of time considered to the capacity rating of the machine or equipment.

(c) "Carcinogen" means any of the following:

(i) Group A -- Any substance for which there is sufficient evidence from human

epidemiological studies to support a causal association between exposure to the agent and

cancer.

(ii) Group B -- Any substance for which the weight of evidence of human

carcinogenicity based on epidemiological studies is limited evidence or for which the

weight of evidence of carcinogenicity based on animal studies is sufficient evidence.

Page 4

Courtesy of www.michigan.gov/orr

(iii) Group C -- Any substance for which there is limited evidence of carcinogenicity

in animals in the absence of human data and which causes a significant increased

incidence of benign or malignant tumors in a single, well-conducted animal bioassay.

(d) "Charging period," with respect to coke ovens utilizing larry car charging

methodology, means the total time taken between the point at which the coal starts

flowing into the oven and the point at which the leveling door and the charging holes are

closed with their respective lids after the coal from the larry car hoppers is emptied into

the oven being charged through the respective charging holes and the coal has been

leveled in the oven. "Charging period," with respect to coke ovens utilizing pipeline

charging methodology, means the total time taken from the time at which the coal starts

flowing into an oven by opening the preheated coal inlet valve to the time at which the

coal flow ends when the inlet valve is closed.

(e) "Class II hardboard paneling finish" means a finish that meets the specifications

of voluntary product standard PS-59-73, as approved by the American national standards

institute.

(f) "Clean air act" means chapter 360, 69 stat. 322, 42 U.S.C. §§ 7401 to 7431, 7470

to 7479, 7491 to 7492, 7501 to 7509a, 7511 to 7515, 7521 to 7525, 7541 to 7545, 7547 to

7550, 7552 to 7554, 7571 to 7574, 7581 to 7590, 7601 to 7612, 7614 to 7617, 7619 to

7622, 7624 to 7627, 7641 to 7642, 7651 to 7651o, 7661 to 7661f, and 7671 to 7671q and

regulations promulgated under the clean air act.

(g) "Clean charge" means furnace charge materials, including molten metal; t-bar;

sow; ingot; billet; pig; alloying elements; uncoated/unpainted thermally dried metal

chips; metal scrap dried at 343 degrees Celsius (650 degrees Fahrenheit) or higher; metal

scrap delacquered/decoated at 482 degrees Celsius (900 degrees Fahrenheit) or higher;

other oil and lubricant-free unpainted/uncoated gates and risers; oil and lubricant-free

unpainted/uncoated scrap, shapes, or products (for example, pistons) that have not

undergone any process (for example, machining, coating, painting) that would cause

contamination of the metal (with oils, lubricants, coatings, or paints) and on-site

runaround.

(h) "Clear coating" means a coating which lacks color and opacity or is transparent

and which uses the undercoat as a reflectant base or undertone color.

(i) "Clinical testing of pharmaceuticals" means human or animal health studies

conducted consistent with applicable government regulations, guidelines, or directions

for approval of a pharmaceutical product, such as those monitored by the United States

food and drug administration for the purpose of determining any of the following with

respect to a drug:

(i) Pharmacological action.

(ii) Preferred route of administration.

(iii) Safe dosage range.

(iv) Optimum dosage schedule.

(v) Safety and effectiveness.

(vi) Product label indications.

(j) "Coating category" means a type of surface coating for which there is a separate

emission limit specified in these rules.

(k) "Coating line" means an operation which is a single series in a coating process

and which is comprised of 1 or more coating applicators and any associated flash-off

Page 5

Courtesy of www.michigan.gov/orr

areas, drying areas, and ovens wherein 1 or more surface coatings are applied and

subsequently dried or cured.

(l) "Coating of automobiles and light-duty trucks" means the application of prime,

primer surfacer, topcoat, and final repair to sheet metal and metallic body components

during assembly of a vehicle. Examples of these sheet metal and metallic body

components include all of the following:

(i) Bodies.

(ii) Fenders.

(iii) Cargo boxes.

(iv) Doors.

(v) Grill openings.

(m) "Coating of cans" means exterior coating and interior spray coating in 2-piece

can lines; interior and exterior coating in sheet coating lines for 3-piece cans; side seam

spray coating and interior spray coating in can fabricating lines for 3-piece cans; and

sealing compound application and sheet coating in end coating lines.

(n) "Coating of coils" means the coating of any flat metal sheet or strip that comes in

rolls or coils.

(o) "Coating of fabric" means the application of any type of coating to flat sheets of

a textile substrate, including the application of coatings by saturation or impregnation.

(p) "Coating of flat wood paneling" means the factory-finished coating of flat

products which are constructed of wood and which are intended for use as interior

paneling. This definition does not apply to the coating of flat wood products intended for

use as exterior siding, tileboard, cabinets, or furniture components.

(q) "Coating of large appliances" means the coating of the component metal parts of

residential and commercial washers, dryers, ranges, refrigerators, freezers, water heaters,

dishwashers, trash compactors, air conditioners, and other associated products. Examples

of these component metal parts include all of the following:

(i) Doors.

(ii) Cases.

(iii) Lids.

(iv) Panels.

(v) Interior support parts.

(r) "Coating of metal furniture" means the coating of any furniture made of metal

and includes the coating of any metal part that is or shall be assembled with other metal,

wood, fabric, plastic, or glass parts to form a furniture piece.

(s) "Coating of paper" means the application of any decorative, functional, or

saturation coating applied across the entire width of any flat sheet or pressure-sensitive

tape, regardless of substrate, or applied across a partial width of any flat sheet or

pressure-sensitive tape, regardless of substrate, if this partial coverage is not considered

to be an operation or series of operations that is included in the definition of graphic arts

line in R 336.1107(e). These applications and substrates include paper, fabric, or plastic

film; related wet-coating processes on plastic film, including typewriter ribbons,

photographic film, and magnetic tape; and decorative coatings on metal foil, including

gift wrapping and packaging.

(t) "Coating of plastic parts of automobiles and trucks" means the coating of any

plastic part that is or that be assembled with other parts to form an automobile or truck.

Page 6

Courtesy of www.michigan.gov/orr

(u) "Coating of plastic parts of business machines" means the coating of any plastic

part that is or that be assembled with other parts to form a business machine.

(v) "Coating of vinyl" means any printing, decorative coating, or protective topcoat

applied over vinyl-coated fabric or vinyl rolls or sheets. Coating of vinyl does not

include the application or plastisols.

(w) "Coke battery" means a series of coke ovens arranged side by side with an

integral heating system.

(x) "Coke oven" means a chamber in which coal is destructively distilled to yield

coke.

(y) "Cokeside," with respect to a coke oven, means that side of the coke oven

through which coke is discharged.

(z) "Coking cycle" means the time during which coal undergoes destructive

distillation in a coke oven. The coking cycle commences at the end of the charging

period and ends at the beginning of the pushing operation, but does not include any

decarbonization periods.

(aa) "Cold cleaner" means a tank containing organic solvent with a volatile organic

compound content of 5 % or more, by weight, and at a temperature below its boiling

point that is used to spray, brush, flush, or immerse metallic and/or plastic objects for the

purpose of cleaning or degreasing.

(bb) "Commercial location" means a publicly or privately owned place where

persons are engaged in the exchange or sale of goods or services and multiple housing

units designed for 3 or more families, except for elementary and secondary schools and

facilities owned and operated by the state government. A separate building or group of

buildings used for the exchange or sale of goods or services and having a single owner

and manager constitutes a separate commercial location.

(cc) "Completed organic resin" means organic resin solids, solvents, and additives as

deliverable for sale or use, including a dry organic resin.

(dd) "Compliance plan" means a description of the compliance status of a source

with respect to all applicable requirements for each process or process equipment as

follows:

(i) For applicable requirements with which the source is in compliance, a statement

that the source will continue to comply with the requirements.

(ii) For applicable requirements that will become effective during the permit term, a

statement that the source will meet the requirements on a timely basis.

(iii) For applicable requirements for which the stationary source is not in compliance

at the time of permit issuance, a narrative description of how the stationary source will

achieve compliance with the requirements.

(ee) "Component" means 1 of the following:

(i) As it pertains to the provisions of R 336.1622, "component" means any piece of

equipment that has the potential to leak a volatile organic compound and includes all of

the following:

(A) Pump seals.

(B) Compressor seals.

(C) Seal oil degassing vents.

(D) Pipeline valves.

(E) Flanges and other connections.

Page 7

Courtesy of www.michigan.gov/orr

(F) Pressure-relief devices.

(G) Process drains.

(H) Open ended pipes.

(ii) As it pertains to the provisions of R 336.1628, "component" means all of the

following:

(A) Compressor seals.

(B) Process valves in light liquid or gaseous volatile organic compound service.

(C) Pressure-relief valves in gaseous volatile organic compound service.

(D) Seals of pumps in light liquid service.

(iii) As it pertains to the provisions of R 336.1629, "component" means all of the

following:

(A) Compressor seals.

(B) Process valves.

(C) Pressure-relief valves.

(D) Pump seals.

This definition does not include a valve that is not externally regulated, that is, a

valve that has no external controls and thus does not have the potential to leak a volatile

organic compound.

(ff) "Component in field gas service" means a component that processes, transfers,

or contains field gas.

(gg) "Component in gaseous volatile organic compound service" means a

component that processes, transfers, or contains a volatile organic compound in the

gaseous phase under actual conditions.

(hh) "Component in heavy liquid service" means a component that processes,

transfers, or contains heavy liquid.

(ii) "Component in light liquid service" means a component that contacts a light

liquid containing more than 10% volatile organic compound by weight.

(jj) "Component in liquid volatile organic compound service" means a component

that processes, transfers, or contains a volatile organic compound in the liquid phase

under actual conditions.

(kk) "Condenser" means a device that effects the removal of an air contaminant from

an exhaust stream by a physical change of state from a vapor to a liquid or solid form.

(ll) "Control equipment" means air pollution control equipment.

(mm) "Conventional air-atomizing spray equipment" means a device that is

designed to atomize and direct fluid material solely through the use of compressed air and

that is capable of operating at air pressures of more than 10 pounds per square inch.

(nn) "Conveyorized cold cleaner" means any continuous system that transports

metallic objects through a bath containing organic solvent at a temperature below its

boiling point for the purpose of cleaning or degreasing.

(oo) "Conveyorized vapor degreaser" means any continuous system that transports

metallic objects through or over, or through and over, a bath containing organic solvent

that is heated to its boiling point for the purpose of cleaning or degreasing.

(pp) "Cutback paving asphalt" means asphalt cement that has been liquefied by

blending with a volatile organic compound and that is used for the purpose of paving or

repairing, or paving and repairing, a road surface.

Page 8

Courtesy of www.michigan.gov/orr

(qq) "Cycle of operation," with respect to continuous emission monitoring systems,

means the total time a monitoring system requires to sample, analyze, and record an

emission measurement.

History: 1980 AACS; 1981 AACS; 1985 AACS; 1989 AACS; 1990 AACS; 1992 AACS; 1993

AACS; 1995 AACS; 2003 AACS; 2008 AACS; 2016 AACS.

R 336.1104 Definitions; D.

Rule 104. As used in these rules:

(a) "Decarbonization period," with respect to coke ovens, means the time for

combusting carbon formed at the oven roof and in the standpipe assembly. The

decarbonization period commences when a charging hole lid or lids or a standpipe lid or

lids are removed or opened near the end of the coking cycle and ends with the initiation

of the next charging period.

(b) "Delivery vessel" means any tank truck, tank-equipped trailer, railroad tank car,

or any similar vessel equipped with a storage tank used for the transport of a volatile

organic compound from sources of supply to any stationary vessel.

(c) "Demolition waste material" means waste building materials that result from

demolition operations on houses and commercial and industrial buildings.

(d) "Department" means the director of the department of environmental quality or

his or her designee.

(e) "Difficult-to-monitor component" means a component that can only be

monitored by elevating the monitoring personnel more than 6 feet above a support

surface.

(f) "Dry organic resin" means the organic resin solids from which all liquids have

been removed, as deliverable for sale or use.

(g) "Dispensing facility" means a location where gasoline is transferred to a motor

vehicle tank from a stationary vessel.

History: 1980 AACS; 1989 AACS; 1993 AACS; 1998-2000 AACS; 2002 AACS; 2008 AACS.

R 336.1105 Definitions; E.

Rule 105. As used in these rules:

(a) "Electrostatic prep coat" means a coating that is applied to a plastic part solely to

provide conductivity for the subsequent application of a prime, a topcoat, or other coating

through the use of electrostatic application methods. An electrostatic prep coat is clearly

identified as an electrostatic prep coat on its accompanying material safety data sheet.

(b) "Emission unit" means any part of a stationary source that emits or has the

potential to emit an air contaminant. Examples of emission units include the following:

(i) A fossil fuel-fired, steam-generating unit.

(ii) A topcoat painting line.

(iii) A solid waste incinerator.

(iv) A clinker cooler at a Portland cement plant.

(v) A process unit at a chemical plant.

Page 9

Courtesy of www.michigan.gov/orr

(c) "Equipment utilized in the manufacturing of synthesized pharmaceutical

products" means equipment associated with the storage, transfer, or manufacturing of

pharmaceutical products, including raw materials and intermediate products, by chemical

synthesis. This definition does not include equipment associated with the manufacturing

of pharmaceutical products by fermentation or extraction, the formulation or packaging

of bulk pharmaceuticals, or the processing of waste resulting from pharmaceutical

synthesis.

(d) "Equivalent method," with respect to source sampling, means a method or set of

procedures for obtaining source samples that has been demonstrated to the department's

satisfaction to have a consistent and quantitatively known relationship to an applicable

reference test method.

(e) "Excess air" means any air in excess of the amount of air required for complete

combustion of a material as determined by using reference test method 3 of appendix A

to the department's rules.

(f) "Excess emissions" means emissions of an air contaminant in excess of any

applicable emission limitation.

(g) "External floating roof stationary vessel" means an open top stationary vessel

equipped with a cover or roof which rests upon and is supported by the liquid being

contained and which has a closure seal or seals to reduce the space between the cover or

roof edge and the vessel wall.

(h) "Extreme environmental conditions" means any of the following:

(i) Outdoor weather.

(ii) Temperatures consistently above 95 degrees Celsius (203 degrees Fahrenheit).

(iii) Detergents.

(iv) Abrasive and scouring agents.

(v) Solvents.

(vi) Corrosive atmospheres.

(vii) Other similar harsh conditions.

(i) "Extreme performance coating" means a coating which is designed to protect a

coated part from extreme environmental conditions and which is applied to a part that, in

its use as a finished product, is intended to be subjected to extreme environmental

conditions.

History: 1980 AACS; 1981 AACS; 1989 AACS; 1993 AACS; 1994 AACS; 2002 AACS; 2008

AACS.

R 336.1106 Definitions; F.

Rule 106. As used in these rules:

(a) "Federally enforceable" means that a limitation or condition is enforceable by the

United States environmental protection agency. Limitations and conditions which are

enforceable by the United States environmental protection agency include requirements

developed pursuant to 40 C.F.R. parts 60, 61, and 63; requirements within the state

implementation plan; any renewable operating permit requirement designated as federally

enforceable pursuant to R 336.1213(1)(a); and any permit requirement established

pursuant to R 336.1201(1)(a), part 18, or part 19 of these rules.

(b) "Field gas" means a feedstock gas entering a natural gas processing plant.

Page 10

Courtesy of www.michigan.gov/orr

(c) "Field testing" means the limited use or distribution of a product to determine the

quality of the product, including its suitability for its intended end use.

(d) "Fixed roof stationary vessel" means a stationary vessel with a roof connected in

a rigid fashion to the side walls of the vessel, a spherically-shaped vessel, or a pressure

vessel designed to maintain a specific working pressure.

(e) "Flexible coating" means any coating that is required to comply with engineering

specifications for impact resistance, mandrel bend, or elongation as defined by the

original equipment manufacturer.

(f) "Flexographic printing" means the application of words, designs, or pictures to a

substrate by means of a roll printing technique in which the pattern to be applied is raised

above the printing roll and the image carrier is made of rubber or other elastomeric

materials.

(g) "Fog coat" means a coating that is applied to a plastic part for the purpose of

color matching without masking a molded-in texture. A fog coat shall not be applied at a

thickness of more than 0.5 mils of coating solids.

(h) "Fossil fuel-fired steam generator" means a furnace or boiler used in the process

of burning fossil fuel for the primary purpose of producing steam by heat transfer.

(i) "Fuel-burning equipment" means a device, contrivance, or equipment used

principally, but not exclusively, for the burning of fuel, and all appurtenances thereto,

including ducts, breechings, control equipment, fuel-feeding equipment, ash removal

equipment, combustion controls, and stacks and chimneys, which equipment is used for

indirect heating in which the material being heated is not contacted by, and does not add

substance to, the products of combustion. This equipment typically includes that used for

all of the following:

(i) Heating water to boiling.

(ii) Raising steam or superheating steam.

(iii) Heating air as in a warm-air furnace.

(iv) Furnishing process heat that is conducted through vessel walls.

(v) Furnishing process heat indirectly through its transfer by fluids.

(j) "Fuel gas system" means any system in which gas generated by a petroleum

refinery process unit is combusted, including any gaseous mixture of natural gas with

such gas, and is not commercially sold.

(k) "Fugitive dust" means particulate matter that is generated from indoor processes,

activities, or operations and that is emitted into the outer air through building openings

and general exhaust ventilation, except stacks. The term also means particulate matter

that is emitted into the outer air from outdoor processes, activities, or operations due to

the forces of the wind or human activity.

(l) "Fugitive emissions" means those emissions which could not reasonably pass

through a stack, chimney, vent, or other functionally equivalent opening.

History: 1980 AACS; 1981 AACS; 1985 AACS; 1989 AACS; 1992 AACS; 2003 AACS; 2016

AACS.

R 336.1107 Definitions; G.

Rule 107. As used in these rules:

Page 11

Courtesy of www.michigan.gov/orr

(a) "Gasoline" means any petroleum distillate which has a Reid vapor pressure equal

to or greater than 4.0 psia and which is used for automotive fuel.

(b) "Geographical site" means contiguous land ownership by 1 landowner. A public

right of way, such as a road, railroad, and watercourse, through part of the site, is not

considered to break the continuity. Where transmission and fuel delivery rights-of-way

or a strip of land that serves no other purpose than as a transportation or materials

handling link connects 2 or more otherwise separate geographical sites, the connected

sites shall be considered separate geographical sites.

(c) "Good engineering practice design" means, with respect to stack heights, the

height necessary to ensure that emissions from the stack result in acceptable

concentrations of air contaminants in the immediate vicinity of the stationary source as a

result of atmospheric downwash, eddies, and wakes which may be created by the

stationary source itself, nearby structures, or nearby terrain obstacles and will not exceed

the greatest of the following limits:

(i) Two hundred and thirteen feet (65 meters).

(ii) Two and one-half times the height of the structure or nearby structure for those

stacks for which construction or modification commenced on or before January 12, 1979,

if the owner or operator produces evidence that this relationship was actually relied upon

in designing the stack to ensure protection against downwash.

(iii) The sum of the height of the structure or nearby structure plus 1.5 times the

lesser of the height or width of the structure or nearby structure for those stacks for which

construction or modification commenced after January 12, 1979.

(iv) Such height as an owner or operator of a stationary source demonstrates, to the

satisfaction of the department, is necessary through the use of field studies or fluid

models after notice and opportunity for public hearing.

(d) "Gloss reducer" means a coating that is applied to a plastic part solely to reduce

the shine of the part. A gloss reducer shall not be applied at a thickness of more than 0.5

mils of coating solids.

(e) "Graphic arts line" means an operation or series of operations in which printing

(the formation of words), designs, or pictures on a substrate by means of partial coverage

of the substrate are employed. A graphic arts line may also employ 1 or more coating

operations in which a uniform layer of coating is applied either across the entire width of

the substrate or across only certain portions of the substrate.

History: 1980 AACS; 1981 AACS; 1989 AACS; 2002 AACS; 2016 AACS.

R 336.1108 Definitions; H.

Rule 108. As used in these rules:

(a) "Hardboard" means a panel manufactured primarily from interfelted ligno-

cellulosic fibers which are consolidated under heat and pressure in a hot press.

(b) "Hardwood plywood" means plywood whose surface layer is a veneer of

hardwood.

(c) "Heavy liquid" means a liquid that is less than 10% evaporated at 150 degrees

Centigrade as determined by ASTM method D86, adopted by reference in R 336.1902.

(d) "High bake coating" means a coating that is designed to cure only at

temperatures of more than 90 degrees Celsius (194 degrees Fahrenheit).

Page 12

Courtesy of www.michigan.gov/orr

(e) "High-speed dispersion mill" means a mixer that has 1 or more blades which

rotate at high speed to disperse coating solids.

History: 1981 AACS; 1989 AACS; 2002 AACS; 2016 AACS.

R 336.1109 Definitions; I.

Rule 109. As used in these rules:

(a) "Incinerator" means a device specifically designed for the destruction, by

burning, of garbage or other combustible refuse or waste material, or both, in which the

products of combustion are emitted into the outer air by passing through a stack or

chimney.

(b) "Inhalation reference concentration" or "RfC" means a conservative estimate of

the daily exposure to the human population, including sensitive subgroups, that is likely

to be without appreciable risk of deleterious noncancerous effect during a lifetime. The

inhalation reference concentration is for continuous inhalation exposures and is expressed

in units of milligrams per cubic meter (mg/m³).

(c) "Initial risk screening level" or “IRSL” means the concentration of a possible,

probable, or known human carcinogen in ambient air which has been calculated for

regulatory purposes, according to the risk assessment procedures in R 336.1229(1), to

produce an estimated upper-bound lifetime cancer risk of 1 in 1,000,000.

(d) "Initial threshold screening level" or “ITSL” means a concentration of toxic air

contaminant in the ambient air that is used to evaluate noncarcinogenic health effects

from a proposed new or modified process and that is calculated, for regulatory purposes,

according to the procedures in R 336.1229(2).

(e) "Insulation of magnet wire" means the process of coating aluminum or copper

electrical wire by application of a nonconductive material, such as varnish or enamel.

History: 1980 AACS; 1981 AACS; 1992 AACS; 2008 AACS; 2016 AACS.

R 336.1112 Definitions; L.

Rule 112. As used in these rules:

(a) "Light-duty truck" means any motor vehicle that is rated at not more than 8,500

pounds gross vehicle weight and that is designed primarily for the transportation of

property, including pickups, vans, and window vans.

(b) "Light liquid," as it pertains to R 336.1628, means a liquid that contains 1 or

more volatile organic compounds which have vapor pressures of more than 0.04 psia at

20 degrees Centigrade if the total concentration of the pure volatile organic compounds

which have vapor pressures of more than 0.04 psia at 20 degrees Centigrade is equal to or

greater than 20%, by weight, of the liquid and if the fluid is a liquid at operating

conditions.

(c) "Limited evidence," a term of art, means either of the following:

(i) In human epidemiological studies, the data indicate that a causal relationship

between the agent and human cancer is credible, but that alternative explanations, such as

chance, bias, or confounding variables, could not be adequately excluded.

Page 13

Courtesy of www.michigan.gov/orr

(ii) In animal studies, data suggest a carcinogenic effect, but are limited because of

any of the following:

(A) The studies involve a single species, strain, or experiment and do not meet

criteria for sufficient evidence.

(B) The experiments are restricted by any of the following:

(1) Inadequate dosage levels.

(2) Inadequate duration or exposure to the agent.

(3) Inadequate period of follow-up.

(4) Poor survival.

(5) Too few animals.

(6) Inadequate reporting.

(C) The data show an increase in the incidence of benign tumors only.

(d) "Loading facility" means a location where volatile organic compounds are

received from sources of supply and are stored for later delivery to another facility.

History: 1980 AACS; 1989 AACS; 1990 AACS; 1992 AACS; 2008 AACS; 2016 AACS.

R 336.1113 Definitions; M.

Rule 113. As used in these rules:

(a) "Malfunction" means any sudden, infrequent and not reasonably preventable

failure of a source, process, process equipment, or air pollution control equipment to

operate in a normal or usual manner. Failures that are caused in part by poor

maintenance or careless operation are not malfunctions.

(b) "Market testing and market development" means the limited or general

distribution of a product to the consumer to gather information concerning the demand

for the product.

(c) "Material handling equipment," as referenced in table 31, means a device,

contrivance, or equipment used to bag, blend, convey, crush, grind, load, mill, mix, shed,

store, transfer, or unload a physical substance.

(d) "Material recovery equipment" means any equipment utilized in the transport

and recovery of styrene monomer and other impurities from other products and by-

products in the manufacture of polystyrene resin by continuous process, including the

styrene devolatilizer unit and styrene recovery unit.

(e) "Modify" means making a physical change in, or change in the method of

operation of, existing process or process equipment which increases the amount of any air

contaminant emitted into the outer air which is not already allowed to be emitted under

the conditions of a permit or order or which results in the emission of any toxic air

contaminant into the outer air not previously emitted. An increase in the hours of

operation or an increase in the production rate up to the maximum capacity of the process

or process equipment shall not be considered to be a change in the method of operation

unless the process or process equipment is subject to enforceable permit conditions or

enforceable orders which limit the production rate or the hours of operation, or both, to a

level below the proposed increase.

(f) "Motor vehicle" means any self-propelled vehicle registered for, or requiring

registration for, use on the highway.

Page 14

Courtesy of www.michigan.gov/orr

History: 1980 AACS; 1989 AACS; 1990 AACS; 1992 AACS; 1993 AACS; 1995 AACS; 2002

AACS; 2008 AACS; 2016 AACS.

R 336.1114 Definitions; N.

Rule 114. As used in these rules:

(a) "Natural finish hardwood plywood panel" means a panel that has its original

grain pattern enhanced by essentially transparent finishes frequently supplemented by

fillers and toners.

(b) "Natural gas processing plant" means a stationary source where the extraction of

natural gas liquids from field gas or the fractionation of the liquids into natural gas

products, such as ethane, propane, butane, and natural gasoline, takes place.

(c) "Natural gas process unit" means process equipment assembled for the extraction

of natural gas liquids from field gas, the fractionation of the liquids into natural gas

products, or other operations associated with the processing of natural gas products. A

natural gas process unit may operate independently if supplied with sufficient feed or raw

materials and sufficient storage facilities for the products.

(d) "Nearby" means, with respect to good engineering practice design stack heights,

a distance of up to 5 times the lesser of the height or the width dimension of a structure,

but not more than 0.8 kilometers (0.5 miles). The height of the structure is measured

from the ground level elevation at the base of the stack.

(e) "Nonattainment area" means an area designated as not having attained full

compliance with any national ambient air quality standard pursuant to section 107(d) of

the clean air act. Such designation shall be air contaminant specific and shall not mean

that an area is a nonattainment area for any other air contaminant unless so specified.

The department shall maintain a list of designated nonattainment areas and shall update

the list when air quality monitoring or modeling data warrant. For certain air

contaminants, nonattainment areas are classified for the purposes of applying an

attainment date, or for other purposes, in accordance with procedures established

pursuant to the clean air act. For ozone nonattainment areas, classifications are

established as follows:

(i) Nonclassifiable.

(ii) Marginal.

(iii) Moderate.

(iv) Serious.

(v) Severe.

(vi) Extreme.

History: 1980 AACS; 1981 AACS; 1989 AACS; 1990 AACS; 1993 AACS; 2003 AACS; 2008

AACS; 2016 AACS.

R 336.1115 Definitions; O.

Rule 115. As used in these rules:

(a) "Opacity" means the degree to which an emission reduces the transmission of

light or obscures an observer's view.

Page 15

Courtesy of www.michigan.gov/orr

(b) "Open burning" means a fire from which the products of combustion are emitted

directly into the outer air without passing through a stack or chimney.

(c) "Open top vapor degreaser" means a tank that contains organic solvent that is

heated to its boiling point for the purpose of cleaning or degreasing metallic objects

through the condensation of the hot solvent vapor on the colder object.

(d) "Oral reference dose" or "RfD" means a conservative estimate of the daily

exposure to the human population, including sensitive subgroups, that is likely to be

without appreciable risk of deleterious noncancerous effect during a lifetime. The

reference dose is expressed in units of milligrams per kilogram of body weight per day.

(e) "Organic compound" means any compound of carbon or mixture of such

compounds, excluding all of the following:

(i) Carbon monoxide.

(ii) Carbon dioxide.

(iii) Carbonic acid.

(iv) Metallic carbides or carbonates.

(v) Boron carbide.

(vi) Silicon carbide.

(vii) Ammonium carbonate.

(viii) Ammonium bicarbonate.

(ix) Methane.

(x) Ethane.

(f) "Organic compound-water separator" means any vessel, device, or piece of

equipment that is operated for the recovery of organic compounds from waste water and

which, in any 1 day, recovers more than 200 gallons of organic compounds from any

equipment that processes, refines, stores, or handles such compounds with a Reid vapor

pressure of more than 0.5 psia.

(g) "Organic resin" means a solid or semisolid, water insoluble, organic material as

listed in standard industrial classification code 2821. The resin has little or no tendency

to crystallize and is used as the basic component of plastics or as a component of surface

coating formulations.

(h) "Organic solvent" means any volatile organic compound that is used as a diluent,

thinner, dissolver, viscosity reducer, or cleaning agent or for other similar uses.

(i) "Outer air" means air in all space outside of buildings, stacks, or exterior ducts.

History: 1980; 1981 AACS; 1989 AACS; 1990 AACS; 1992 AACS; 2016 AACS.

R 336.1116 Definitions; P.

Rule 116. As used in these rules:

(a) "Packaging rotogravure printing" means rotogravure printing upon a substrate

that, in subsequent operations, is formed into a packaging product or label, or both.

(b) "Paint manufacturing" means the grinding or mixing of a combination of

pigments, resins, and liquids to produce a surface coating as listed in standard industrial

classification code 2851.

(c) "Particulate matter" means any air contaminant existing as a finely divided liquid

or solid, other than uncombined water, as measured by a reference test specified in

R 336.2004(5) or by an equivalent or alternative method.

Page 16

Courtesy of www.michigan.gov/orr

(d) "Perchloroethylene dry cleaning equipment" means equipment utilized in the

cleaning of fabrics for which perchloroethylene (tetrachloroethylene) is the predominant

cleaning medium.

(e) "Performance test" means the taking of a source sample at a stationary source,

employing department-approved methods, to determine either of the following:

(i) Compliance with the department's rules, orders, or emission limitations.

(ii Compliance with the conditions of a permit to install or renewable operating

permit.

(f) "Permit to install" means a permit issued by the department authorizing the

construction, installation, relocation, or alteration of any process, fuel-burning, refuse-

burning, or control equipment in accordance with approved plans and specifications.

(g) "Permit to operate" means a permit issued by the department authorizing the use

of any process, fuel-burning, refuse-burning, or control equipment for the period

indicated after it has been demonstrated that it can be operated in compliance with these

rules. The requirement to obtain a permit to operate was removed from these rules

effective July 26, 1995. Permits to operate issued before that date remain in effect and

legally enforceable unless they are voided pursuant to R 336.1201(6).

(h) "Person" means any of the following:

(i) An individual person.

(ii) Trustee.

(iii) Court-appointed representative.

(iv) Syndicate.

(v) Association.

(vi) Partnership.

(vii) Firm.

(viii) Club.

(ix) Company.

(x) Corporation.

(xi) Business trust.

(xii) Institution.

(xiii) Agency.

(xiv) Government corporation.

(xv) Municipal corporation.

(xvi) City.

(xvii) County.

(xviii) Municipality.

(xix) District.

(xx) Other political subdivision, department, bureau, agency, or instrumentality of

federal, state, or local government.

(xxi) Other entity recognized by law as the subject of rights and duties.

(i) "Petroleum" means the crude oil removed from the earth and the oils derived

from tar sands, shale, and coal gasification or liquefaction.

(j) "Petroleum refinery" means any facility engaged in producing gasoline, kerosene,

distillate fuel oils, residual fuel oils, lubricants, or other products through distillation of

petroleum or through redistillation, cracking, or the reforming of unfinished petroleum

derivatives.

Page 17

Courtesy of www.michigan.gov/orr

(k) "PM-10" means particulate matter that has an aerodynamic diameter less than or

equal to a nominal 10 micrometers, as measured by a reference test specified in 40 C.F.R.

part 51, appendix M, adopted by reference in R 336.1902. PM-10 emissions shall include

gaseous emissions from a source or activity which condense to form particulate matter at

ambient temperatures. Such condensable particulate matter shall be accounted for in

applicability determinations and in establishing emissions limitations for PM-10.

(l) “PM 2.5” means particulate matter that has an aerodynamic diameter less than or

equal to a nominal 2.5 micrometers, as measured by a reference test specified in

40 C.F.R. part 51, appendix M, adopted by reference in R 336.1902. PM 2.5 emissions

shall include gaseous emissions from a source or activity that condense to form

particulate matter at ambient temperatures. Such condensable particulate matter shall be

accounted for in applicability determinations and in establishing emissions limitations for

PM 2.5.

(m) "Potential emissions" means those emissions expected to occur without control

equipment, unless this control equipment is, aside from air pollution control

requirements, vital to production of the normal product of the source or to its normal

operation. Annual potential emissions shall be based on the maximum annual-rated

capacity of the source, unless the source is subject to enforceable permit conditions or

enforceable orders that limit the operating rate or the hours of operation, or both.

Enforceable agreements or permit conditions on the type or amount of materials

combusted or processed shall be used in determining the potential emission rate of a

source.

(n) "Potential to emit" means the maximum capacity of a stationary source to emit

an air contaminant under its physical and operational design. Any physical or operational

limit on the capacity of the stationary source to emit an air contaminant, including air

pollution control equipment and restrictions on the hours of operation or the type or

amount of material combusted, stored, or processed, shall be treated as part of its design

only if the limit, or the effect it would have on emissions, is legally enforceable.

Secondary emissions shall not count in determining the "potential to emit" of a stationary

source. For hazardous air pollutants that have been listed pursuant to Section 112(b) of

the clean air act, quantifiable fugitive emissions shall be included in determining the

potential to emit of any stationary source. For all other air contaminants, quantifiable

fugitive emissions shall be included in determining the "potential to emit" of a stationary

source only if the stationary source belongs to 1 of the following categories:

(i) Coal cleaning plants that have thermal dryers.

(ii) Kraft pulp mills.

(iii) Portland cement plants.

(iv) Primary zinc smelters.

(v) Iron and steel mills.

(vi) Primary aluminum ore reduction plants.

(vii) Primary copper smelters.

(viii) Municipal incinerators capable of charging more than 50 tons of refuse per

day.

(ix) Hydrofluoric, sulfuric, or nitric acid plants.

(x) Petroleum refineries.

(xi) Lime plants.

Page 18

Courtesy of www.michigan.gov/orr

(xii) Phosphate rock processing plants.

(xiii) Coke oven batteries.

(xiv) Sulfur recovery plants.

(xv) Carbon black plants that have a furnace process.

(xvi) Primary lead smelters.

(xvii) Fuel conversion plants.

(xviii) Sintering plants.

(xix) Secondary metal production plants.

(xx) Chemical process plants. The term chemical process plant does not include

ethanol production facilities that produce ethanol by natural fermentation included in

North American industrial classification system codes 325193 or 312140.

(xxi) Fossil fuel boilers (or combination thereof) totaling more than 250,000,000 Btu

per hour heat input.

(xxii) Petroleum storage and transfer units that have a total storage capacity of more

than 300,000 barrels or petroleum storage vessels that have a capacity of more than

40,000 gallons.

(xxiii) Taconite ore processing plants.

(xxiv) Glass-fiber processing plants.

(xxv) Charcoal production plants.

(xxvi) Fossil fuel-fired steam electric plants of more than 250,000,000 Btu per hour

heat input.

(xxvii) Asphalt concrete plants.

(xxviii) Secondary lead smelters and refineries.

(xxix) Sewage treatment plants.

(xxx) Phosphate fertilizer plants.

(xxxi) Ferroalloy production plants.

(xxxii) Grain elevators.

(xxxiii) Stationary gas turbines.

(xxxiv) Stationary sources that are subject to the federal national emission standards

for hazardous air pollutants for the following materials:

(A) Asbestos.

(B) Beryllium.

(C) Mercury.

(D) Vinyl chloride.

(o) "PPM" means parts per million, by volume.

(p) "Printed interior panel" means a panel that has its grain or natural surface

obscured by fillers and basecoats and upon which a simulated grain or decorative pattern

is printed.

(q) "Process" means an action, operation, or a series of actions or operations at a

source that emits or has the potential to emit an air contaminant. Examples of a "process"

include any of the following:

(i) A physical change of a material.

(ii) A chemical change of a material.

(iii) The combustion of fuel, refuse, or waste material.

(iv) The storage of a material.

(v) The handling of a material.

Page 19

Courtesy of www.michigan.gov/orr

(r) "Process equipment" means all equipment, devices, and auxiliary components,

including air pollution control equipment, stacks, and other emission points, used in a

process.

(s) "Process unit turnaround" means the scheduled shutdown of a refinery process

unit for the purpose of inspection or maintenance of the unit.

(t) "Production equipment exhaust system" means a device for collecting and

removing, from the immediate area, fugitive air contaminants from any process

equipment.

(u) "Psia" means pounds per square inch absolute.

(v) "Publication rotogravure printing" means rotogravure printing upon a substrate

that is subsequently formed into any of the following:

(i) Book.

(ii) Magazine.

(iii) Catalogue.

(iv) Brochure.

(v) Directory.

(vi) Newspaper.

(vii) Supplement.

(viii) Other type of printed material.

(w) "Pushing operation," with respect to coke ovens, means the movement of the

coke from a coke oven into the coke-receiving car.

(x) "Pushside," with respect to a coke oven, means that side of the coke oven that is

adjacent to the pushing machine.

History: 1980 AACS; 1981 AACS; 1985 AACS; 1989 AACS; 1990 AACS; 1992 AACS; 1993

AACS; 1995 AACS; 1996 AACS; 2003 AACS; 2012 AACS; 2016 AACS.

R 336.1118 Definitions; R.

Rule 118. As used in these rules:

(a) "Reactor" means a vessel which may be jacketed to permit temperature control

and which is designed to contain materials during chemical reaction.

(b) "Reconstruction" means the replacement of components of an existing facility so

that the fixed capital cost of the new components is more than 50% of the fixed capital

cost that would be required to construct a comparable entirely new emission unit and so

that it is technologically and economically feasible to meet the applicable requirement.

"Fixed capital cost," as used in this subdivision, means the capital needed to provide all

of the depreciable components.

(c) "Red coating" means a coating that meets all of the following criteria:

(i) Yellow limit: the hue of hostaperm scarlet.

(ii) Blue limit: the hue of monastral red-violet.

(iii) Lightness limit for metallics: 35% aluminum flake.

(iv) Lightness limit for solids: 50% titanium dioxide white.

(v) Solid reds: hue angle of -11 to 38 degrees and maximum lightness of 23 to 45

units.

(vi) Metallic reds: hue angle of -16 to 35 degrees and maximum lightness of 28 to

45 units. These criteria are based on Cielab color space, 0/45 geometry. For spherical

Page 20

Courtesy of www.michigan.gov/orr

geometry, specular included, the upper limit is 49 units. The maximum lightness varies

as the hue moves from violet to orange. This is a natural consequence of the strength of

the colorants, and real colors show this effect.

(d) "Reference test method," with respect to source sampling, means a method or

set of procedures, as described in appendix A to these rules, for obtaining source samples.

(e) "Refinery unit" means a set of components and other equipment that are a part of

a basic process operation, such as distillation, hydrotreating, cracking, or reforming of

hydrocarbons.

(f) "Reid vapor pressure" means the absolute vapor pressure of an organic

compound at 100 degrees Fahrenheit as measured by the standard test method set forth

in ASTM D323, adopted by reference in R 336.1902, or approved equivalent.

(g) "Repetitive production of a product" means production, for purposes other than

clinical testing of pharmaceuticals, that meets the following criteria:

(i) Batch processes or process equipment producing 10 or more batches of product.

(ii) Continuous processes or process equipment running for a period of more than 10

times the length of time for the raw materials to become finished product or 24 hours,

whichever is longer.

(h) "Research and development activities" means activities conducted for the

primary purpose of developing new production processes and products, testing more

efficient production processes, or testing methods for preventing or reducing adverse

environmental impacts, if the activities are in compliance with both of the following

provisions:

(i) The activities do not include the production of an intermediate or final product

for sale or exchange for commercial profit, except in a de minimis manner.

(ii) The activities are conducted at a research or laboratory facility that is operated

under the close supervision of technically trained personnel.

(i) "Resist coat" means a coating that is applied to a plastic part before metallic

plating to prevent deposits of metal on portions of the plastic part.

(j) "Responsible official" means, for the purposes of signing and certifying the truth,

accuracy, and completeness of permit applications, monitoring and other reports, and

compliance certifications, any of the following:

(i) For a corporation, a president, secretary, treasurer, or vice-president of the

corporation who is in charge of a principal business function or any other person who

performs similar policy or decision-making functions for the corporation. The person

identified in this paragraph may appoint another person as his or her authorized

representative under either of the following circumstances:

(A) The representative is responsible for the overall operation of 1 or more

manufacturing, production, or operating facilities applying for or subject to a permit and

either the facilities employ more than 250 persons or have gross annual sales or

expenditures of more than $25,000,000.00.

(B) The representative has responsibilities for the overall operation of a source and

is approved in advance by the department. A responsible official shall submit a written

request for approval from the department to designate an authorized representative

pursuant to this paragraph. The department shall respond, in writing, within 30 days of

receipt of the request.

(ii) For a partnership or sole proprietorship, a general partner or the proprietor.

Page 21

Courtesy of www.michigan.gov/orr

(iii) For a county, city, village, township, state, federal, or other public agency,

either a principal executive officer or ranking elected official. For this purpose, a

principal executive officer includes the chief executive officer who has responsibility for

the overall operations of a principal geographic unit of the agency.

(iv) For affected sources under title IV of the clean air act, the designated

representative as defined in title IV.

(k) "Rotogravure printing" means the application of words, designs, pictures, or

surface coating to a substrate by means of a roll printing technique that involves intaglio

or recessed image areas in the form of cells.

History: 1980 AACS; 1981 AACS; 1989 AACS; 1992 AACS; 1995 AACS; 1996 AACS; 1997

AACS; 2002 AACS; 2003 AACS; 2016 AACS.

R 336.1119 Definitions; S.

Rule 119. As used in these rules:

(a) "Schedule of compliance" means, for purposes of R 336.1201 to R 336.1218, all

of the following:

(i) For a source not in compliance with all applicable requirements at the time of

issuance of a renewable operating permit, a schedule of remedial measures, including an

enforceable sequence of actions or operations that specifies milestones, leading to

compliance with an applicable requirement, and a schedule for submission of certified

progress reports, at least every 6 months. The schedule shall resemble, and be at least as

stringent as, a schedule contained in a judicial consent decree or administrative order to

which the source is subject. A schedule shall be supplemental to, and shall not sanction

noncompliance with, the applicable requirement on which it is based.

(ii) For a source in compliance with all applicable requirements at the time of issuance

of a renewable operating permit, a statement that the source will continue to comply with

the requirements.

(iii) With respect to any applicable requirement that has a future effective compliance

date that is after the date of issuance and before the date of expiration of the renewable

operating permit, the schedule of compliance shall contain a statement that the source will

meet the requirement on a timely basis, unless the underlying applicable requirement

requires a more detailed schedule.

(b) "Secondary emissions" means emissions which occur as a result of the

construction or operation of a stationary source, but which do not come from the

stationary source itself. Secondary emissions include only emissions that are specific,

well-defined, quantifiable, and impact the same general area as the stationary source

which causes the secondary emissions. Secondary emissions also include emissions from

any off-site support facility which would not otherwise be constructed or increase its

emissions except as a result of the construction or operation of the stationary source.

Examples of secondary emissions include the following:

(i) Emissions from ships or trains coming to or going from a stationary source.

(ii) Emissions from any off-site support facility that would not otherwise be

constructed or increase its emissions except as a result of the construction or operation of

the stationary source.

Page 22

Courtesy of www.michigan.gov/orr

(c) "Secondary risk screening level" means the concentration of a possible, probable,

or known human carcinogen in ambient air which has been calculated, for regulatory

purposes, according to the risk assessment procedures in R 336.1229(1), to produce an

estimated upper-bound lifetime cancer risk of 1 in 100,000.

(d) "Shutdown" means the cessation of operation of a source for any purpose.

(e) "Significant" means a rate of emissions for the following air contaminants which

would equal or exceed any of the following:

(i) Carbon monoxide - 100 tons per year.

(ii) Oxides of nitrogen - 40 tons per year.

(iii) Sulfur dioxide - 40 tons per year.

(iv) Particulate matter - 25 tons per year.

(v) PM-10 - 15 tons per year.

(vi) PM 2.5 - 10 tons per year, 40 tons per year of sulfur dioxide, or 40 tons per year

of oxides of nitrogen.

(vii) Volatile organic compounds - 40 tons per year.

(viii) Lead - 0.6 tons per year.

(ix) Fluorides - 3 tons per year.

(x) Sulfuric acid mist - 7 tons per year.

(xi) Hydrogen sulfide - 10 tons per year.

(xii) Total reduced sulfur, including hydrogen sulfide - 10 tons per year.

(xiii) Reduced sulfur compounds, including hydrogen sulfide - 10 tons per year.

(xiv) Municipal waste combustor organics, measured as total tetra- through octa-

chlorinated dibenzo-p-dioxins and dibenzofurans - 3.2x10^-6megagrams per year or

3.2x10^-6tons per year.

(xv) Municipal waste combustor metals, measured as particulate matter - 14

megagrams per year or 15 tons per year.

(xvi) Municipal waste combustor acid gases, measured as sulfur dioxide and

hydrogen chloride - 36 megagrams per year or 40 tons per year.

(xvii) Municipal solid waste landfill emissions, measured as nonmethane organic

compounds - 45 megagrams per year or 50 tons per year.

(f) "Smoke" means small gas and airborne particles consisting essentially of

carbonaceous material in sufficient numbers to be observable.

(g) "Sour condensate" means a condensate that emits sour gas at atmospheric

pressure.

(h) "Sour crude" means a crude oil that emits sour gas at atmospheric pressure.

(i) "Sour gas" means any gas containing more than 1 grain of hydrogen sulfide or

more than 10 grains of total sulfur per 100 standard cubic feet.

(j) "Source sample" means any raw material, fuel, product, by-product, waste

material, exhaust gas, air contaminant, flora, soil, or other such material existing as a gas,

liquid, or solid, which is captured, retained, or collected from a stationary source.

(k) "Specific plate collection area" means the ratio of the total collection area to the

total gas volume flow rate in square feet per 1,000 actual cubic feet per minute.

(l) "Stack" or "chimney" means a flue, conduit, or duct arranged to conduct a gas

stream to the outer air.

(m) "Standard conditions" means a gas temperature of 70 degrees Fahrenheit and a

gas pressure of 29.92 inches of mercury absolute.

Page 23

Courtesy of www.michigan.gov/orr

(n) "Standpipe assembly," with respect to coke ovens, means the riser, standpipe lid,

and the gooseneck.

(o) "Standpipe assembly emission point," with respect to a coke oven battery

equipped with a single collector main or a double collector main, means the flexible

connection between the battery top and the base of the riser, the seating surface of the

standpipe lid, and the second flexible connection wherever located, or another agreed

upon connection that is located between the collector main and the gooseneck. With

respect to a battery equipped with a charging main and a gas-offtake main in tandem,

"standpipe assembly emission point" means the upper flange, the lower flange, the top

lid, the bottom lid, the upper sand seal, the middle sand seal, and the lower base sand

seal. With respect to a battery equipped with a jumper pipe ministandpipe, "standpipe

assembly emission point" means the flexible connection between the battery top and the

base of the riser, the seating surface of the standpipe lid, the flexible connection between

the collector main and the gooseneck, the ministandpipe lid, and the flexible connection

between the battery top and the jumper pipe ministandpipe.

(p) "Start-up" means the setting in operation of a process or process equipment for

any purpose.

(q) “State-only enforceable” means that the limitation or condition is derived solely

from the act and the air pollution control rules and is not federally enforceable. State-

only enforceable requirements include R 336.1224, R 336.1225, R 336.1901, any permit

requirement established solely pursuant to R 366.1201(1)(b), or any other regulation that

is enforceable solely under the act and is not federally enforceable.

(r) "Stationary source" means all buildings, structures, facilities, or installations that

emit or have the potential to emit 1 or more air contaminants, which are located at 1 or

more contiguous or adjacent properties, which are under the control of the same person,

and which have the same 2-digit major group code associated with their primary activity.

In addition, a stationary source includes any other buildings, structures, facilities, or

installations which emit or have the potential to emit 1 or more air contaminants, which

are located at 1 or more contiguous or adjacent properties, which are under the control of

the same person, and which have a different 2-digit major group code, but which support

the primary activity. Buildings, structures, facilities, or installations, are considered to

support the primary activity if 50% or more of their output is dedicated to the primary

activity. Major group codes and primary activities are described in the standard industrial

classification manual. Notwithstanding the provisions of this subdivision, research and

development activities, as described in R 336.1118, may be treated as a separate

stationary source, unless the research and development activities support the primary

activity of the stationary source.

(s) "Stationary vessel" means any tank, reservoir, or container used for the storage of

any volatile organic compound which is not used to transport such volatile organic

compound and in which no manufacturing process or part thereof takes place.

(t) "Stencil coat" means a coating that is applied over a stencil to a plastic part at a

thickness of 1 mil or less of coating solids. Stencil coats are most frequently letters,

numbers, or decorative designs.

(u) "Styrene devolatilizer unit" means equipment performing the function of

separating unreacted styrene monomer and other volatile components from polystyrene in

a vacuum devolatilizer.

Page 24

Courtesy of www.michigan.gov/orr

(v) "Styrene recovery unit" means equipment performing the function of separating

styrene monomer from other less volatile components of the styrene devolatilizer unit's

output. The separated styrene monomer may be reused as raw material in the

manufacturing of polystyrene resin.

(w) "Submerged fill pipe" means any fill pipe that has its discharge opening entirely

submerged when the liquid level is 6 inches above the bottom of the vessel or, when

applied to a vessel that is loaded from the side, means either of the following:

(i) Any fill pipe that has its discharge opening entirely submerged when the liquid

level is 18 inches above the bottom of the vessel.

(ii) Any fill pipe that has its discharge opening entirely submerged when the liquid

level is twice the diameter of the fill pipe above the bottom of the vessel, but in no case

shall the top of such submerged fill pipe be more than 36 inches above the bottom of the

vessel.

(x) "Sufficient evidence," a term of art, means either of the following:

(i) In human epidemiological studies, that the data indicate that there is a causal

relationship between the agent and human cancer.

(ii) In animal studies, the data suggest that there is an increased incidence of

malignant tumors or combined malignant and benign tumors in any of the following:

(A) Multiple species or strains.

(B) Multiple experiments.

(C) To an unusual degree in a single experiment with regard to high incidence,

unusual site or type of tumor, or early age at onset.

(y) "Sulfuric acid plant" means any facility producing sulfuric acid by the contact

process by burning elemental sulfur, alkylation acid, hydrogen sulfide, or acid sludge, but

does not include facilities where conversion to sulfuric acid is utilized primarily as a

means of preventing emissions to the atmosphere of sulfur dioxide or other sulfur

compounds.

(z) "Surface coating" means any paint, lacquer, varnish, ink, adhesive, or other

coating material applied on a surface.

(aa) "Sweet condensate" means any condensate that is not a sour condensate.

(bb) "Sweet crude" means any crude oil that is not a sour crude.

(cc) "Sweetening facility" means a facility or process that removes hydrogen sulfide

or sulfur-containing compounds, or both, from a sour gas, sour crude oil, or sour

condensate stream and converts it to sweet gas, sweet crude, or sweet condensate. The

term "sweetening facility" does not include a facility or process that operates in an

enclosed system and does not emit hydrogen sulfide to the outer air.

(dd) "Sweet gas" means any gas that is not a sour gas.

(ee) “Synthetic natural gas” means any manufactured fuel gas of approximately the

same composition and BTU value as that obtained naturally from oil fields.

(ff) "Synthetic organic chemical and polymer manufacturing plant" means a

stationary source where the production, as intermediates or final products, of 1 or more of

the following chemicals takes place:

(i) Methyl tert-butyl ether.

(ii) Polyethylene.

(iii) Polypropylene.

(iv) Polystyrene.

Page 25

Courtesy of www.michigan.gov/orr

(v) Synthetic organic chemicals listed in "Standards of Performance for Equipment

Leaks of VOC in the Synthetic Organic Chemicals Manufacturing Industry," 40 C.F.R.

part 60, subpart VV, adopted by reference in R 336.1902.

(gg) "Synthetic organic chemical and polymer manufacturing process unit" means

all process equipment assembled to manufacture, as intermediates or final products, 1 or

more of the chemicals listed in the definition of synthetic organic chemical and polymer

manufacturing plant. A synthetic organic chemical and polymer manufacturing process

unit can operate independently if supplied with sufficient feed or raw materials and

sufficient storage facilities for the product.

History: 1980 AACS; 1981 AACS; 1985 AACS; 1989 AACS; 1990 AACS; 1992 AACS; 1993

AACS; 1995 AACS; 1996 AACS; 2003 AACS; 2012 AACS; 2016 AACS.

R 336.1120 Definitions; T.

Rule 120. As used in these rules:

(a) "Temporary source" means a stationary source, process, or process equipment

that commences operation and is located at a geographic site for not more than 12

consecutive months.

(b) "Texture coat" means a coating that is applied to a plastic part which, in its

finished form, consists of discrete raised spots of the coating.

(c) "Thin particleboard" means a manufactured board that is 1/4 of an inch or less in

thickness and which is made of individual wood particles that have been coated with a

binder and formed into flat sheets by pressure.

(d) "Thinning tank," as it pertains to R 336.1631, means any vessel that receives

resin from a reactor and to which solvents or other materials are added to thin the resin.

(e) "Tileboard" means paneling that has a colored, waterproof surface coating.

(f) "Toxic air contaminant" or "TAC" means any air contaminant for which there is

no national ambient air quality standard and which is or may become harmful to public

health or the environment when present in the outdoor atmosphere in sufficient quantities

and duration. For the purpose of this definition, all of the following substances shall not

be considered to be toxic air contaminants:

(i) Acetylene.

(ii) Aluminum metal dust.

(iii) Aluminum oxide (nonfibrous forms).

(iv) Ammonium sulfate.

(v) Animal or plant materials, including extracts and concentrates thereof, used as

ingredients in food products or dietary supplements in accordance with applicable

regulations of the United States food and drug administration.

(vi) Argon.

(vii) Calcium carbonate.

(viii) Calcium hydroxide.

(ix) Calcium oxide.

(x) Calcium silicate.

(xi) Calcium sulfate.

(xii) Carbon dioxide.

(xiii) Carbon monoxide.

Page 26

Courtesy of www.michigan.gov/orr

(xiv) Cellulose.

(xv) Coal dust.

(xvi) Crystalline silica emissions from any of the following processes:

(A) Extraction and processing of all metallic or non-metallic minerals.

(B) Sand production, processing, and drying.

(C) Asphalt production.

(D) Concrete production.

(E) Glass and fiberglass manufacturing.

(F) Foundries.

(G) Foundry residual recovery activities.

(H) Any other process if the crystalline silica emissions are less than 10% of the

total PM-10 emissions.

(xvii) Emery.

(xviii) Ethane.

(xix) Graphite (synthetic).

(xx) Grain dust.

(xxi) Helium.

(xxii) Hydrogen.

(xxiii) Iron oxide.

(xxiv) Lead.

(xxv) Liquefied petroleum gas (l.p.g.).

(xxvi) Methane.

(xxvii) Neon.

(xxviii) Nitrogen.

(xxviii) Nitrogen oxides.

(xxx) Nuisance particulates.

(xxxi) Oxygen.

(xxxii) Ozone.

(xxxiii) Perlite.

(xxxiv) Portland cement.

(xxxv) Propane.

(xxxvi) Silicon.

(xxxvii) Starch.

(xxxviii) Sucrose.

(xxxix) Sulfur dioxide.

(xl) Vegetable oil mist.

(xli) Water vapor.

(xlii) Zinc metal dust.

(g) "Toxicological interaction" means the simultaneous exposure to 2 or more

hazardous substances which will produce a toxicological response that is greater or less

than their individual responses.

(h) "Transfer efficiency" means the percentage of coating solids material that leaves

the coating applicator and remains on the surface of the product.

(i) "True vapor pressure" means the equilibrium partial pressure exerted by a liquid

or the sum of partial pressures exerted by a mixture of liquids. For refined petroleum

stock (gasolines and naphthas) and crude oil, the "true vapor pressure" may be

Page 27

Courtesy of www.michigan.gov/orr

determined in accordance with methods described in American petroleum institute

MPMS C19 S2, "Manual of Petroleum Measurement Standards, Chapter 19, Evaporative

Loss Measurements, Section 2, Evaporative Loss From Floating-Roof Tanks,"

adopted by reference in R 336.1902.

History: 1980 AACS; 1981 AACS; 1989 AACS; 1992 AACS; 1995 AACS; 1996 AACS;1999

AACS; 2002 AACS; 2016 AACS.

R 336.1121 Definitions; U.

Rule 121. As used in these rules:

(a) "Uncontrolled emissions" means those emissions expected to occur without

control equipment, unless such control equipment is, aside from air pollution control

requirements, vital to production of the normal product of the process or to its normal

operation. Annual uncontrolled emissions shall be based upon the maximum annually

rated capacity of the process or process equipment, unless the process or process

equipment is subject to legally enforceable permit conditions or orders which limit the

operating rate or the hours of operation, or both. Legally enforceable permit conditions

or orders on the type or amount of materials combusted or processed shall be used in

determining the uncontrolled emissions rate of a process or process equipment.

(b) "Unsafe-to-monitor component" means a component which, if monitored, would

expose monitoring personnel to immediate danger. This definition includes, during the

period of November 1 through March 31, a component which is located outside a

building and which can only be monitored by elevating the monitoring personnel more

than 6 feet above ground level.

(c) “Used oil” means any oil that has been refined from crude oil, or any synthetic

oil, that has been used and that, as a result of the use, is contaminated by physical or

chemical impurities.

History: 1981 AACS; 1989 AACS; 2016 AACS.

R 336.1122 Definitions; V.

Rule 122. As used in these rules:

(a) "Vacuum-metalizing coatings" means topcoats and basecoats that are used in the

vacuum-metalizing process.

(b) "Vacuum-producing system" means any device that creates a pressure below

atmospheric, such as a pump or steam ejector with condenser, including hot wells and

accumulators.

(c) "Vapor collection system," as it pertains to R 336.1627, means all piping, seals,

hoses, connections, pressure-vacuum vents, and any other equipment between and

including the delivery vessel and a stationary vessel, vapor processing unit, or vapor

holder.

(d) [Reserved]

(e) "Visible emission" means any emissions that are visually detectable without the

aid of instruments.

Page 28

Courtesy of www.michigan.gov/orr

(f) "Volatile organic compound" means any compound of carbon or mixture of

compounds of carbon that participates in photochemical reactions, excluding the

following materials, all of which have been determined by the United States

environmental protection agency to have negligible photochemical reactivity:

(i) Carbon monoxide.

(ii) Carbon dioxide.

(iii) Carbonic acid.

(iv) Metallic carbides or carbonates.

(v) Boron carbide.

(vi) Silicon carbide.

(vii) Ammonium carbonate.

(viii) Ammonium bicarbonate.

(ix) Methane.

(x) Ethane.

(xi) The methyl chloroform portion of commercial grades of methyl chloroform, if

all of the following provisions are complied with:

(A) The commercial grade of methyl chloroform is used only in a surface coating or

coating line that is subject to the requirements part 6 or 7 of these rules.

(B) The commercial grade of methyl chloroform contains no stabilizers other than

those listed in table 11.

(C) Compliance with the applicable limits specified in parts 6 or 7 of these rules is

otherwise not technically or economically reasonable.

(D) All measures to reduce the levels of all organic solvents, including the

commercial grade of methyl chloroform, from the surface coating or coating line to the

lowest reasonable level will be implemented.

(E) The emissions of the commercial grade of methyl chloroform do not result in a

maximum ambient air concentration exceeding any of the allowable ambient air

concentrations listed in table 11.

(F) The use of the commercial grade of methyl chloroform is specifically identified

and allowed by a permit to install, permit to operate, or order of the department.

(G) Table 11 reads as follows:

Table 11.

Commercial Grade of Methyl Chloroform -- Allowable Ambient Air Concentrations

Compound

Ppm¹

Time²

Methyl chloroform

Tertiary butyl alcohol³

Secondary butyl alcohol³

Methylal³

3.5

1.0

10.0

0.028

and

1 hour

1,2-butylene oxide³

0.00041

annual

1. Parts per million, by volume

2. Averaging time period

3. This compound is a stabilizer

Page 29

Courtesy of www.michigan.gov/orr

(xii) The methyl chloroform portion of commercial grades of methyl chloroform that

contain any other stabilizer not listed in table 11 of this rule, if all of the following

provisions are complied with:

(A) The commercial grade of methyl chloroform is used only in a surface coating or

coating line that is subject to the requirements of parts 6 or 7 of these rules.

(B) Compliance with the applicable limits specified in parts 6 or 7 of these rules is

otherwise not technically or economically reasonable.

(C) All measures to reduce the levels of all organic solvents, including the

commercial grade of methyl chloroform, from the surface coating or coating line to the

lowest reasonable level will be implemented.

(D) The emissions of any compound in the commercial grade of methyl chloroform

that is listed in table 11 of this rule do not result in a maximum ambient air concentration

exceeding any of the allowable ambient air concentrations listed in table 11.

(E) The emission of all compounds in the commercial grade of methyl chloroform

that are not listed in table 11 is demonstrated to comply with R 336.1901.

(F) The use of the commercial grade of methyl chloroform is specifically identified

and allowed by a permit to install, permit to operate, or order of the department.

(xiii) Acetone.

(xiv) Cyclic, branched, or linear completely methylated siloxanes.

(xv) Parachlorobenzotrifluoride.

(xvi) Perchloroethylene.

(xvii) Trichlorofluoromethane (CFC-11).

(xviii) Dichlorodifluoromethane (CFC-12).

(xix) 1,1,2-trichloro-1,2,2-trifluoroethane (CFC-113).

(xx) 1,2-dichloro 1,1,2,2-tetrafluoroethane (CFC-114).

(xxi) Chloropentafluoroethane (CFC-115).

(xxii) 1,1-dichloro 1-fluoroethane (HCFC-141b).

(xxiii) 1,chloro 1,1-difluoroethane (HCFC-142b).

(xxiv) Chlorodifluoromethane (HCFC-22).

(xxv) 1,1,1-trifluoro 2,2-dichloroethane (HCFC-123).

(xxvi) 2-chloro-1,1,1,2-tetrafluoroethane (HCFC-124).

(xxvii) Trifluoromethane (HFC-23).

(xxviii) Pentafluoroethane (HFC-125).

(xxix) 1,1,2,2-tetrafluoroethane (HFC-134).

(xxx) 1,1,1,2-tetrafluoroethane (HFC-134a).

(xxxi) 1,1,1-trifluoroethane (HFC-143a).

(xxxii) 1,1-difluoroethane (HFC-152a).

(xxxiii) 3,3-dichloro-1, 1,1,2,2-pentafluoropropane (HCFC-225ca).

(xxxiv) 1,3-dichloro-1,1,2,2,3-pentafluoropropane (HCFC-225cb).

(xxxv) 1,1,1,2,3,4,4,5,5,5-decafluoropentane (HFC 43-10mee).

(xxxvi) Difluoromethane (HFC-32).

(xxxvii) Ethyl fluoride (HFC-161).

(xxxviii) 1,1,1,3,3,3-hexafluoropropane (HFC-236fa).

(xxxix) 1,1,2,2,3-pentafluoropropane (HFC-245ca).

(xl) 1,1,2,3,3- pentafluoropropane ( HFC-245ea).

Page 30

Courtesy of www.michigan.gov/orr

(xli) 1,1,1,2,3- pentafluoropropane (HFC-245eb).

(xlii) 1,1,1,3,3- pentafluoropropane (HFC-245fa).

(xliii) 1,1,1,2,3,3-hexafluoropropane (HFC-236ea).

(xliv) 1,1,1,3,3-pentafluorobutane (HFC365mfc).

(xlv) Chlorofluoromethane (HCFC-31).

(xlvi) 1,2-dichloro-1,1,2-trifluoroethane (HCFC-123a).

(xlvii) 1-chlor-1-fluoroethane (HCFC-151a).

(xlviii) 1,1,1,2,2,3,3,4,4-nonafluoro-4-methoxy-butane (C₄F₉OCH₃or HFE-7100).

(xlix) 2-(difluoromethoxymethyl)-1,1,1,2,3,3,3-heptafluoropropane.

(l) 1-ethoxy-1,1,2,2,3,3,4,4,4-nonafluorobutane (C₄F₉OC₂H₅or HFE-7200).

(li) 2-(ethoxydifluoromethyl)-1,1,1,2,3,3,3-heptafluoropropane.

(lii) Methyl acetate.

(liii) Perfluorocarbon compounds that fall into the following classes:

(A) Cyclic, branched, or linear, completely fluorinated alkanes.

(B) Cyclic, branched, or linear, completely fluorinated ethers with no unsaturations.

(C) Cyclic, branched, or linear, completely fluorinated tertiary amines with no

unsaturations.

(D) Sulfur-containing perfluorocarbons with no unsaturations and with sulfur bonds

only to carbon and fluorine.

(liv) Methylene chloride.

(lv) 1,1,1,2,2,3,3-heptafluoro-3-methoxy-propane (n-C₃F₇OCH₃, HFE-7000).

(lvi)

3-ethoxy-1,1,1,2,3,4,4,5,5,6,6,6-dodecafluoro-2-(trifluoromethyl)

hexane

(HFE 7500).

(lvii) 1,1,1,2,3,3,3-heptafluoropropane (HFC 227ea)

(lviii) Methyl formate (HCOOCH3).

(lix) T-butyl acetate.

(lx) 1,1,1,2,2,3,4,5,5,5-decafluoro-3-methoxy-4-trifluoromethyl-pentane (HFE-

7300)

(lxi) Dimethyl carbonate

(lxii) Propylene carbonate

(lxiii) 2,3,3,3-tetrafluoropropene (HFO–1234yf)

(lxiv) Trans-1,3,3,3-tetrafluoropropene (HFO–1234ze)

(lxv) HCF2OCF2H (HFE-134).

(lxvi) HCF2OCF2OCF2H (HFE-236cal2).

(lxvii) HCF2OCF2CF2OCF2H (HFE-338pcc13).

(lxviii) HCF2OCF2OCF2CF2OCF2H (H-Galden 1040X or H-Galden ZT 130 (or

150 or 180)).

(lxix) Trans 1-chloro-3,3,3-trifluoroprop-1-ene (Solstice^TM1233zd(E)).

(lxx) 2-amino-2-methyl-1-propanol (AMP).

The methods described in R 336.2004 and R 336.2040 shall be used for measuring

volatile organic compounds for purposes of determining compliance with emission limits.

Where such a method also measures compounds with negligible photochemical

reactivity, these negligibly-photochemical reactive compounds may be excluded as

volatile organic compounds if the amount of such compounds is accurately quantified and

such exclusion is approved by the department.

Page 31

Courtesy of www.michigan.gov/orr

History: 1980 AACS; 1985 AACS; 1988 AACS; 1989 AACS; 1993 AACS; 1997 AACS; 1998-2000

AACS; 2003 AACS; 2008 AACS; 2012 AACS; 2016 AACS.

R 336.1123 Definitions; W.

Rule 123. As used in these rules:

(a) "Waxy, heavy pour crude oil" means any of the following:

(i) A crude oil with a pour point of 30 degrees Fahrenheit or higher as determined by

the standard test method set forth in ASTM-D97, entitled "Test Method for Pour Point of

Petroleum Oils," adopted by reference in R 336.1902.

(ii) A crude oil containing more than 2.5% N-paraffin content (C-17 to C-40).

(iii) A crude oil with a viscosity of more than 500 seconds universal sayboldt (SUS)

at 20 degrees Fahrenheit.

(b) "Wayne county permit" means a permit or a certificate of operation issued

pursuant to the Wayne county air pollution control ordinance adopted pursuant to the

home rule charter for Wayne county, resolution no. 85-305, as amended by resolution

no. 89-213.

(c) "Weight of evidence," a term of art, means a description of the likelihood that a

chemical is a human carcinogen based on evaluation of tumor data from human or

animal studies and examination of relevant supporting information, including any of the

following information:

(i) Structure-activity relationships.

(ii) Short-term test findings.

(iii) Results of appropriate physiological, biological, and toxicological observations.

(iv) Comparative metabolism and pharmacokinetic studies.

History: 1981 AACS; 1992 AACS; 1995 AACS; 2016 AACS.

R 336.1127 Terms defined in the act.

Rule 127. Terms defined in the act have the same meaning when used in these rules.

History: 1980 AACS; 2016 AACS.

R 336.1128 Rescission.

Rule 128. R 336.11 to R 336.79, R 336.101 to R 336.116, and R 336.141 to R

336.147 of the Michigan Administrative Code, appearing on pages 4191 to 4200 of the

1967 Annual Supplement to the Code, pages 6147 to 6149 of the 1972 Annual

Supplement to the Code, pages 6654 to 6657 and 6660 to 6662 of the 1973 Annual

Supplement to the Code, pages 7249 to 7252 of the 1974 Annual Supplement to the

Code, pages 7924 and 7925 of the 1975 Annual Supplement to the Code, and pages 76

to 79 of Quarterly Supplement No. 94 to the Code, are rescinded.

History: 1980 AACS.

Page 32

Courtesy of www.michigan.gov/orr