(5) As used in these rules, “29 CFR 1926.57” means Occupational Health Standard Part 620
Ventilation Control for Construction.
(6) As used in these rules, 1926.1153(a) means R 325.69001 Scope.
(7) As used in these rules, 1926.1153(b) means R 325.69015 Definitions.
(8) As used in these rules, 1926.1153(k) means R 325.69005 Dates.
(9) The federal regulation adopted in this rule has the same force and effect as a rule
promulgated pursuant to the provisions of the Michigan occupational safety and health act
(MIOSHA) 1974 PA 154, MCL 408.1001 to 408.1094.
History: 2017 AACS.
R 325.69012 Adopted and referenced standards.
Rule 69012. (1) The OSHA standard and appendices that are adopted in these rules are
available from the United States Department of Labor, Occupational Safety and Health
(2) The standard adopted in these rules is available for inspection at the Department of
Licensing and Regulatory Affairs, MIOSHA Regulatory Services Section, 530 West Allegan
Street, P.O. Box 30643, Lansing, Michigan, 48909-8143.
(3) The standard adopted in these rules may be obtained from the publisher or may be obtained
from the Department of Licensing and Regulatory Affairs, MIOSHA Regulatory Services
Section, 530 West Allegan Street, P.O. Box 30643, Lansing, Michigan, 48909-8143, at the
cost charged in this rule, plus $20.00 for shipping and handling.
(4) The following Michigan occupational safety and health administrative (MIOSHA)
standards are referenced in these rules. Up to 5 copies of these standards may be obtained at
no charge from the Michigan Department of Licensing and Regulatory Affairs, MIOSHA
Regulatory Services Section, 530 West Allegan Street, P.O. Box 30643, Lansing, Michigan,
quantities greater than 5, the cost, as of the time of adoption of these rules, is 4 cents per page.
(a) Occupational Health Standard Part 430 “Hazard Communication,” R 325.77001 to
R 325.77003.
(b) Occupational Health Standard Part 451 “Respiratory Protection,” R 325.60051 and
R 325.60052.
(c) Occupational Health Standard Part 470 “Employee Medical Records and Trade Secrets,”
R 325.3451 to R 325.3476.
(d) Occupational Health Standard Part 620 “Ventilation Control for Construction,”
R 325.62001 to R 325.62006.
History: 2017 AACS.
R 325.69015 Definitions.
Rule 69015. (1) “Action level” means a concentration of airborne respirable crystalline silica
of 25 μg/m3, calculated as an 8-hour TWA.
(2) “Assistant Secretary” means the director of the department of licensing and regulatory
affairs or his or her designated representative.
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