Table of Contents

Heat Stress >>

Hazardous Substances

Hazardous substances are generally defined as substances likely to cause injury or illness because they are explosive, flammable,
toxic, poisonous, corrosive, oxidizing, irritant, or otherwise harmful. These substances may include solvents, paints, thinners,
cleaning agents, fresh concrete, and fuels. The use of or possible exposure to these substances at the workplace requires some
sort of employee protection and, if applicable, the development and implementation of a haz-com program.

The hazardous substances that require a haz-com program include the following:

A. Any substance that is a physical or a health hazard

B. Any hazardous substance listed in the following:

  1. The Hazardous Substances List (T8 CCR 339)
  2. The Code of Federal Regulations (CFR, Part 1910, Subpart Z)
  3. Threshold Limit Values for Chemical Substances in the Work Environment (ACGIH) 1991 - 1992.
  4. Sixth Annual Report on Carcinogens, National Toxicology Program, 1991
  5. Monographs, International Agency for Research on Cancer, Volumes 1 - 53, and Supplements 1 - 8, World Health Organization
  6. MSDSs on reproductive toxicants or cancer-producing substances
  7. T22 CCR 12000 (Proposition 65)