| Date: | 01/30/2026 |
|---|---|
| Organization: | Board of Registration of Hazardous Waste Site Cleanup Professionals |
| Regulatory Authority: | MGL c. 21A, § 16; and §§ 19 through 19J |
| Official Version: | Purchase the official print version |
309 CMR 4.00 sets forth the rules of professional conduct for every licensed site professional, in order to safeguard the public health, safety, welfare and the environment and to establish and maintain a standard of professional integrity.
Download a PDF copy of the regulation below.