DEPARTMENT OF LABOR AND ECONOMIC OPPORTUNITY  
DIRECTOR'S OFFICE  
GENERAL INDUSTRY SAFETY AND HEALTH STANDARD  
Filed with the secretary of state on May 6, 2021  
These rules take effect immediately upon filing with the secretary of state unless adopted  
under section 33, 44, or 45a(6) of the administrative procedures act of 1969, 1969 PA 306,  
MCL 24.233, 24.244, or 24.245a. Rules adopted under these sections become effective 7  
days after filing with the secretary of state.  
(By authority conferred on the director of the department of labor and economic  
opportunity by sections 14 and 24 of the Michigan occupational safety and health act, 1974  
PA 154, MCL 408.1014 and 408.1024, and Executive Reorganization Order Nos. 1996-1,  
1996-2, 2003-1, 2008-4, 2011-4, and 2019-3, MCL 330.3101, 445.2001, 445.2011,  
445.2025, 445.2030, and 125.1998)  
R 325.50091 of the Michigan Administrative Code is amended, and R 325.50092 and R  
325.50093 are rescinded, as follows:  
PART 312. 1,3-BUTADIENE  
R 325.50091. Scope, applicability, adoption, and availability of standards.  
Rule 1. (1) These rules apply to all occupational exposures to 1,3-Butadiene (BD), chemical  
abstracts service registry no. 106-99-0, in all industries subject to the Michigan occupational  
safety and health act (MIOSHA), 1974 PA 154, MCL 408.1001 to 408.1094.  
(2) These rules replace all references to 1,3-Butadiene contained in Table G-1-A in General  
Industry Safety and Health Standard Part 301. “Air Contaminants for General Industry,” as  
referenced in this rule.  
(3) All of the following provisions apply as used in these rules:  
(a) A reference to 29 CFR 1910.133, “Eye and face protection,” in 29 CFR 1910.1051(i),  
means General Industry Safety and Health Standard Part 433. “Personal Protective  
Equipment,” and Construction Safety and Health Standard Part 6. “Personal Protective  
Equipment,” as referenced in this rule.  
(b) A reference to 29 CFR 1910.134, “Respiratory Protection,” in 29 CFR 1910.1051(h) and  
(k), means General Industry and Construction Safety and Health Standard Part 451.  
“Respiratory Protection,” as referenced in this rule.  
(c) A reference to 29 CFR 1910.1200 and 1926.59, “Hazard Communication,” in 29 CFR  
1910.1051(l), means Construction Safety Standard Part 42. “Hazard Communication,”  
General Industry Safety Standard Part 92. “Hazard Communication,” and Occupational  
Health Standard Part 430. “Hazard Communication,” as referenced in this rule.  
February 18, 2021  
2
(4) The federal Occupational Safety and Health Administration’s regulations on  
1,3-Butadiene promulgated by the United States Department of Labor and codified at 29  
CFR 1910.1051, “1,3-Butadiene,” as amended on May 14, 2019, are adopted in these rules.  
(5) These federal regulations adopted in this rule have the same force and effect as a rule  
promulgated under the Michigan occupational safety and health act (MIOSHA), 1974 PA  
154, MCL 408.1001 to 408.1094.  
(6) The OSHA regulations adopted in this rule are available from the United States  
Department of Labor, Occupational Safety and Health Administration, via the internet at  
website www.osha.gov, at no charge as of the time of adoption of these rules.  
(7) The standards adopted in this rule are also available for inspection at the Department of  
Labor and Economic Opportunity, MIOSHA, Standards and FOIA Section, 530 W. Allegan  
Street, P.O. Box 30643, Lansing, Michigan, 48909-8143.  
(8) Copies of the standards adopted in this rule may be obtained from the publisher or may  
also be obtained from the Department of Labor and Economic Opportunity, MIOSHA,  
Standards and FOIA Section, 530 W. Allegan Street, P.O. Box 30643, Lansing, Michigan,  
48909-8143, at the cost charged in this rule, plus $20.00 for shipping and handling.  
(9) The following Michigan occupational safety and health standards are referenced in this  
rule. Up to 5 copies of these standards may be obtained at no charge from the Department of  
Labor and Economic Opportunity, MIOSHA, Standards and FOIA Section, 530 W. Allegan  
Street, P.O. Box 30643, Lansing, Michigan, 48909-8143 or via the internet at website:  
www.michigan.gov/mioshastandards. For quantities greater than 5, the cost, at the time of  
adoption of these rules, is 4 cents per page.  
(a) Construction Safety and Health Standard Part 6. “Personal Protective Equipment,” R  
408.40601 to R 408.40660.  
(b) Construction Safety Standard Part 42. “Hazard Communication,” R 408.44201 to R  
408.44204.  
(c) General Industry Safety Standard Part 92. “Hazard Communication,” R 408.19201 to R  
408.19204.  
(d) General Industry Safety and Health Standard Part 301. “Air Contaminants for General  
Industry,” R 325.51101 to R 325.51108.  
(e) Occupational Health Standard Part 430. “Hazard Communication,” R 325.77001 to R  
325.77004.  
(f) General Industry Safety and Health Standard Part 433. “Personal Protective Equipment,”  
R 325.60001 to R 325.60013.  
(g) General Industry and Construction Safety and Health Standard Part 451. “Respiratory  
Protection,” R 325.60051 to R 325.60052.  
R 325.50092. Rescinded.  
R 325.50093. Rescinded.  
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