US lawMassachusettsRegulations105 CMR — Department of Public Health105 CMR 670.00 — Right to know670.001105 CMR 670.001PurposeYear: 2026Length: 30 wordsOfficial source The purpose of 105 CMR 670.000 is to protect the public health by providing and encouraging the greatest possible transmission of health and safety information concerning toxic and hazardous substances.Previous105 CMR 670.000Next105 CMR 670.005