Workplace Chemical Protection Program Requirements: When OSHA Didn’t Act, the EPA Did

The Environmental Protection Agency’s (EPA) Workplace Chemical Protection Program (WCPP) under Section 6 of the Toxic Substances Control Act (TSCA) has fundamentally changed the compliance landscape for occupational exposures to certain chemicals.

For multiple high‑priority substances, the EPA has issued legally binding occupational exposure limits—Existing Chemical Exposure Limits (ECELs), and,