Introduction to Hazardous Substances
There are many definitions and descriptive names used for hazardous materials, each of which depends on the nature of the problem being addressed.
The definitions are agency dependent and can be somewhat confusing. It is important to realize that Federal agencies, and State and local governments have different purposes for regulating the hazardous materials that can pose risks to the public or the environment.
What is a Hazardous Substance?
The Environmental Protection Agency (EPA) defines the term "hazardous substance" as "any chemical, that, if released into the environment above a certain amount, must be reported, and depending on the threat to the environment, Federal involvement in handling the incident can be authorized."
A list of the EPA hazardous substances is published in Title 40, Code of Federal Regulations, Part 302, Table 302.4.
OSHA uses the term "hazardous substance" in CFR 29 1910.120 as "any substance...which [through exposure] results or may result in adverse effects on the health or safety of employees."
Knowledge Check Choose the best answer for the question.
2-1. OSHA defines chemicals that result or may result in adverse effects on the health or safety of employees as _____.
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