Massachusetts Testing Requirements
Massachusetts requires licensed establishments to test cannabis and cannabis products through Commission-certified Independent Testing Laboratories. The applicable requirements are defined in the Commission’s regulations: 935 CMR 500.160 (adult-use) and 105 CMR 725.100 (medical).
Scope
- Covered — Test results reported through Commission systems
- Covered — Total Yeast and Mold and coliform limits enforced
- Covered — Heavy-metal analytes (arsenic, cadmium, lead, mercury) required
- Covered — Cannabinoid potency (THC/THCA) reported
- Covered — Independent Testing Laboratory certification required
- Not republished here — Action-limit numeric values (see note below)
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