US lawMassachusettsRegulations310 CMR — Massachusetts Department of Environmental Protection310 CMR 30.00 — Hazardous waste30.618310 CMR 30.618Stand-by Surface Impoundments - Waiver From Groundwater Monitoring RequirementsYear: 2026Length: 15 wordsOfficial source (1) On a case-by-case basis, the Department may waive all or part of 310 CMRPrevious310 CMR 30.617Next310 CMR 30.621