DEPARTMENT OF LABOR AND ECONOMIC OPPORTUNITY
CONSTRUCTION SAFETY AND HEALTH STANDARD
(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 Orders Nos.
1996-2, 2003-1, 2008-4, 2011-4, and 2019-3, MCL 445.2001, 445.2011, 445.2025,
445.2030, and 125.1998)
PART 604. CHROMIUM (VI) IN CONSTRUCTION
R 325.51995 Scope, adoption, and availability of standards.
Rule 1. (1) This standard applies to all occupational exposures to chromium (VI) in
all forms and compounds in construction, except for any of the following:
(a) Exposures that occur in the application of pesticides regulated by the
Environmental Protection Agency or another federal or state government agency, such as
the treatment of wood with preservatives.
(b) Exposures to portland cement.
(c) Where the employer has objective data demonstrating that a material containing
chromium or a specific process, operation, or activity involving chromium cannot release
dusts, fumes, or mists of chromium (VI) in concentrations at or above 0.5 µg/m3 as an 8-
hour time-weighted average (TWA) under any expected conditions of use.
(2) This standard does not apply to general industry work as defined by the
Michigan occupational safety and health act, 1974 PA 154, MCL 408.1001 to 408.1094.
Exposure to chromium (VI) in general industry work is covered by Occupational Health
Standard Part 315. “Chromium (VI) in General Industry,” R 325.50141 to 325.50143.
(3) The federal Occupational Safety and Health Administration (OSHA) regulation
29 CFR 1926.1126 “Chromium (VI),” amended May 14, 2019, is adopted by reference in
these rules. As used in these rules:
(a) "Assistant secretary," means the director of the department of labor and
economic opportunity or his or her designated representative.
(b) "1910.134” means General Industry and Construction Safety and Health
Standard Part 451. “Respiratory Protection.”
(c) "1910.1200," means Occupational Health Standard Part 430. “Hazard
(d) "1910.1020," means General Industry and Construction Safety and Health
Standard Part 470. “Employee Medical Records and Trade Secrets.”
(4) 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.