What Makes a Chemical Hazardous Self-Check

What Makes a Chemical Hazardous Self-Check 

OSHA defines a hazardous chemical as any chemical which is  

OSHA has adopted environmental hazards into the HCS, even though the agency has no authority over environment issues. 

A hazard not otherwise classified (HNOC) is a chemical for which there is evidence of adverse physical or health effects, but which do not meet the specified criteria for any of the physical or health hazard classifications. 

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