Regulation  301 CMR 41.00: Toxic or Hazardous Substances List

Executive Office of Energy & Environmental Affairs (EEA) regulations listing all chemicals and compounds subject to Toxics Use Reduction Act (M.G.L. Chapter 21I) planning and reporting requirements. Implemented by the Administrative Council on Toxics Use Reduction.

Table of Contents

Current Regulations

These regulations were last amended in December 2023. 

► 301 CMR 41.00: Toxic or Hazardous Substance List

Note: This is an unofficial version of Commonwealth regulations and is posted here for the convenience of the public. It is not an official statement of the regulations. Official versions of regulations may be obtained through the Massachusetts State Bookstore.

Recently Promulgated Amendments

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