Michigan Administrative Code

R 325.51151 Scope, application, adoption, and availability of standards. Rule 1. (1) These rules apply to all occupational exposures to ethylene oxide (EtO), chemical abstracts service registry no. 75-21-8, except as provided in subrule (2) of this rule. (2) These rules do not ap…

R 325.51301 Scope, application, and adoption by federal standards. Rule 1. (1) These rules apply to all construction work as defined by the Michigan occupational safety and health act (MIOSHA), 1974 PA 154, MCL 408.1001 to 408.1094. Construction work includes, but is not limited …

R 325.51311 Scope and application. Rule 1. (1) These rules apply to all occupational exposures to asbestos in all industries covered by the Michigan Occupational Safety and Health Act (MIOSHA), 1974 PA 154, MCL 408.1001 to 408.1094, except as provided in subrule (2) of this rule.…

R 325.51312 Adoption by reference of federal standard. Rule 2. (1) The federal occupational safety and health administration's regulations on occupational exposure to asbestos that have been promulgated by the United States department of labor and codified at 29 C.F.R. §1910.1001…

R 325.51401 Scope, application, adoption, and availability of standards. Rule 1. (1) These rules specify the requirements for the control of employee exposure to vinyl chloride (chloroethene), Chemical Abstracts Service Registry No. 75014. (2) These rules apply to the manufacture…

R 325.51451 Scope, application, adoption, and availability of standards. Rule 1. (1) The rules in this part apply to exposures to any of the following: (a) Formaldehyde from any source. (b) Formaldehyde gas. (c) Formaldehyde solutions. (d) Materials that release formaldehyde. (2)…

R 325.51601 Scope, applicability, adoption, and availability of standards. Rule 601. (1) These rules apply to all occupational exposures to inorganic arsenic, except that they do not apply to employee exposures in agriculture or resulting from pesticide application, the treatment…

R 325.51651 Scope, applicability, adoption, and standards by reference standards. Rule 1. (1) These rules apply to all occupational exposures to methylene chloride (MC), chemical abstracts service registry no. 75-09-2, in all industries covered by the Michigan occupational safety…

R 325.51851 Scope, adoption, and availability of standards. Rule 1. (1) These rules apply to all occupational exposures to cadmium and cadmium compounds, in all forms, and in all industries covered by the Michigan occupational safety and health act, 1974 PA 154, MCL 408.1001 to 4…

R 325.51901 Scope, application, adoption, and availability of standards. Rule 1. (1) These rules apply to all occupational exposures to lead, except that they do not apply to construction work or to agricultural operations. (2) The federal Occupational Safety and Health Administr…

R 325.51936 Employee notifications. Rule 36. Within 5 working days after the receipt of biological monitoring results, an employer shall notify each employee, in writing, whose blood lead level is at or above 15 μg/dL of whole blood of both of the following: (a) The employee's bl…

R 325.51937 Medical examinations and consultations. Rule 37. An employer shall make available medical examinations and consultations to each employee who is or may be exposed to concentrations of lead greater than the action level for more than 30 days a year according to the fol…

R 325.51943 Temporary medical removal due to elevated blood lead levels. Rule 43. (1) An employer shall remove an employee from work who has an exposure to lead at or above the action level on each occasion that a periodic blood sampling test and a follow-up blood sampling test c…

R 325.51945 Return of employee to former job status. Rule 45. (1) An employer shall return an employee to his or her former job status under any of the following circumstances: (a) For an employee removed due to a blood lead level at or above 30 μg/dL of whole blood or due to an …

R 325.51983 Scope, application, adoption, and availability of standards. Rule 83. (1) These rules apply to all construction work as defined by the Michigan occupational safety and health act (MIOSHA), 1974 PA 154, MCL 408.1001 to 408.1094. Construction work includes all of the fo…

R 325.51986 Interim protection. Rule 86. (1) This rule replaces OSHA 1926.62(d)(2)(v). (2) Until the employer performs an employee exposure assessment as required under 1926.62(d) and determines actual employee exposure, the employer shall provide to employees performing the task…

R 325.51987 Medical surveillance, general. Rule 87. (1) This rule replaces OSHA 1926.62(j)(1). (2) An employer shall make available initial medical surveillance to employees occupationally exposed on any day to lead at or above the action level. Initial medical surveillance consi…

R 325.51988 Blood lead level sampling and analysis. Rule 88. (1) This rule replaces OSHA 1926.62(j)(2)(i). (2) An employer shall make available biological monitoring in the form of blood sampling and analysis for lead levels to each employee covered under R 325.51987 (2) and (3) …

R 325.51989 Employee notification. Rule 89. (1) This rule replaces OSHA 1926.62(j)(2)(iv). (2) Within 5 working days after the receipt of biological monitoring results, the employer shall notify each employee in writing of his or her blood lead level. (3) An employer shall notify…

R 325.51990 Medical examinations and consultations, frequency. Rule 90. (1) This rule replaces OSHA 1926.62(j)(3)(i). (2) An employer shall make available medical examinations and consultations to each employee covered under R 325.51987(3) of these rules on the following schedule…

R 325.51991 Content of medical examinations. Rule 91. (1) This rule replaces OSHA 1926.62(j)(3)(ii). (2) The content of medical examinations made available pursuant to R 325.51990(2) (b) and (c) of these rules shall be determined by an examining physician and, if requested by an …

R 325.51992 Temporary removal due to elevated blood lead level. Rule 92. (1) This rule replaces OSHA 1926.62(k)(1)(i). (2) An employer shall remove an employee from work having an exposure to lead at or above the action level on each occasion that a periodic and a follow-up blood…

R 325.51993 Return of employee to former job status. Rule 93. (1) This rule replaces OSHA 1926.62(k)(1)(iii). (2) An employer shall return an employee to his or her former job status under either of the following circumstances: (a) For an employee removed due to a blood lead leve…

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 regu…

R 325.52001 Scope. Rule 1. These rules apply to all processes and places of employment. History: 2005 AACS; 2016 AACS.

R 325.52002 Reference of standards. Rule 2. The following Michigan occupational safety and health standards (MIOSHA) 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, MIO…

R 325.52003 Definitions. Rule 3. (1) "Aerosol" means particulate matter suspended in air. (2) "Contaminant" means an airborne material capable of causing occupational disease or significant physiological disturbances to a person, and includes, but is not limited to, the substance…

R 325.52004 Control methods for enclosures and controlled processes. Rule 4. (1) An employer shall ensure that an enclosure is provided at a stationary source unless the omission of the enclosure does not impair control. (2) A controlled process shall be designed and regulated to…

R 325.52005 Supply ventilation systems. Rule 5. (1) An employer shall provide a supply ventilation system to ensure a flow of air into the working environment to equally replace the volume of air exhausted. Page 3 Courtesy of www.michigan.gov/orr (2) An employer shall provide a m…

R 325.52006 Direct-fired air heaters. Rule 6. (1) A direct-fired air heater, wherein combustion products are released in the supply air stream, may be installed in buildings of industrial occupancy, garages, laundries, and commercial kitchens. They shall not be installed in offic…

R 325.52007 Exhaust ventilation systems. Rule 7. The minimum rate of exhaust ventilation for places of manufacturing, processing, assembling, maintenance and repair, or storage of material Page 4 Courtesy of www.michigan.gov/orr shall be 1 cubic foot of air per minute per square …

R 325.52008 Local exhaust ventilation. Rule 8. (1) An employer shall provide local exhaust ventilation at all stationary sources. The director may allow a variance from this subrule if control is accomplished with general ventilation. (2) If a local exhaust system is used, then t…

R 325.52009 General ventilation systems. Rule 9. A general ventilation system may be used for contaminant control. The ventilation air volume shall be sufficient to dilute the airborne contaminant to levels not exceeding the permissible exposure limits. History: 2005 AACS.

R 325.52010 Exhaust system discharge locations. Rule 10. The discharge locations of local exhaust or general exhaust systems shall not permit exhausted air to re-enter a workroom or other buildings directly, or indirectly, through air supply systems without substantial dilution. …

R 325.52011 Recirculation of air from exhaust systems. Rule 11.(1) The recirculation of air containing a contaminant whose permissible exposure limit is equal to or exceeds 1000 ppm, 15 mg/m 3 , or 50 mppcf, shall be permitted if the exhaust ventilation system is equipped with an…

R 325.52012 Air pollution control. Rule 12. A local exhaust and general exhaust ventilation system shall comply with rules adopted by the Michigan Department of Environmental Quality, R 336.1101 to R 336.1910. History: 2005 AACS.

R 325.52101 Scope, application, adoption, and availability of standards. Rule 1. (1) These rules prescribe the requirements for safety and health programs, training, medical surveillance, control methods, sanitation, and personal protective equipment for employees who are involve…

R 325.52501 Scope. Rule 1. (1) These rules prescribe the use of exhaust hood enclosures and systems in removing dust, dirt, fumes, and gases generated through the grinding, polishing, or buffing of ferrous and nonferrous metals. (2) These rules replace OH rule 3215. History: 2003…

R 325.52502 Definitions. Rule 2. (1) "Abrasive cutting-off wheels" means organic-bonded wheels, the thickness of which is not more than one forty-eighth of their diameter for those up to, and including, 20 inches in diameter, and not more than one-sixtieth of their diameter for t…

R 325.52503 Application. Rule 3. (1) An employer shall provide suitable hood or enclosures that are connected to exhaust systems for every establishment performing dry grinding, dry polishing, or buffing. (2) Exhaust systems shall be operated continuously whenever operations are …

R 325.52504 Hood and branch pipe requirements. Rule 4. (1) An employer shall ensure that hoods connected to exhaust systems be used, and hoods shall be designed, located, and placed so that dust or dirt particles shall fall or be projected into the hoods in the direction of the a…

R 325.52505 Exhaust systems. Rule 5. (1) An employer shall ensure that exhaust systems for grinding, polishing, and buffing operations be designed in compliance with American Standard Fundamentals Governing the Design and Operation of Local Exhaust Systems, Z9.2- 1960. (2) Exhaus…

R 325.52506 Hood and enclosure design. Rule 6. (1) It is the dual function of grinding and abrasive cutting-off wheel hoods to protect the operator from the hazards of bursting wheels and to provide a means for the removal of dust and dirt generated. All hoods shall be not less i…

R 325.52601 Adoption of federal standards. Rule 1. (1) The following federal occupational safety and health administration (OSHA) regulations from the Code of Federal Regulations are adopted by reference in these rules: (a) 29 C.F.R. §1910.122 “Hazardous Materials - Table of cont…

R 325.52602 Availability of adopted and referenced rules. Rule 2. (1) The following standards are adopted by reference and are available from the United States Department of Labor, Occupational Safety and Health Administration website: www.osha.gov, at no charge, as of the time o…

R 325.52901 Scope, adoption and availability of standards. Rule 1. (1) These rules are intended to provide, in, about or around places of employment, reasonable safety and health to persons involved in welding, cutting, brazing, soldering and acetylene generating and to those exp…

R 325.59001 Scope, application, adoption, and availability of standards. Rule 59001. (1) This standard applies to all occupational exposures to respirable crystalline silica, except as follows: (a) Construction work as covered by Construction Safety and Health Standard Part 690. …