Mich. Admin. Code R. 336.204 - Register of materials
Rule 4. The register of materials reads as follows:
| Register of materials | |
| Group A | Group C |
| Asbestos | Sulfur dioxide |
| Benzo-a-pyrene | |
| Beryllium or its compounds | |
| Bromine | Group D |
| Chrlorine | |
| Cyanides | Alcohols |
| Flourides | Ethers |
| Flourine | Esthers |
| Iodine | Ketones |
| Lead or its compounds Mercaptans | Halogenated hydrocarbons Non-methane hydrocarbons |
| Mercury or its compounds Pesticides Sulfides, organic and inorganic | |
| Group B | |
| Particulate (except those listed in group A) | Group E |
| Oxides of nitrogen | |
| Carbon monoxide Ammonia | |
Notes
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