Massachusetts Cannabis Testing Requirements

Comprehensive testing requirements and compliance guidelines for cannabis products in Massachusetts

Overview

Massachusetts requires independent, third-party testing of all marijuana products for both medical and adult-use markets. Testing must be conducted by Cannabis Control Commission-licensed laboratories and includes comprehensive safety and quality analysis.

Regulatory Authority

Massachusetts Cannabis Control Commission

Visit Regulatory Website →

Testing Categories

Potency Analysis

Required

Cannabinoid testing including THC, CBD, THCA, CBDA, CBN, and CBG

Testing Frequency: Per batch

Applies to:

FlowerConcentratesEdiblesTopicals

Pesticide Analysis

Required

Testing for pesticides on CCC prohibited list

Testing Frequency: Per batch

Applies to:

FlowerConcentratesEdibles

Heavy Metal Screening

Required

Testing for lead, arsenic, cadmium, and mercury

Testing Frequency: Per batch

Applies to:

FlowerConcentratesEdibles

Microbiological Testing

Required

Analysis for total yeast and mold, pathogenic E. coli, and Salmonella

Testing Frequency: Per batch

Applies to:

FlowerEdibles

Mycotoxins

Required

Testing for aflatoxins and ochratoxin A

Testing Frequency: Per batch

Applies to:

Flower

Residual Solvents

Required

Analysis for residual solvents from extraction

Testing Frequency: Per batch

Applies to:

Concentrates

Filth and Foreign Matter

Required

Visual inspection and analysis for foreign material

Testing Frequency: Per batch

Applies to:

Flower

Product-Specific Requirements

Flower / finished marijuana product

Required

Panel: Potency

Test Type: Cannabinoid potency

Required under CCC protocol (product-dependent)

Source: MA Cannabis Control Commission: Finished Marijuana Products Sampling & Analysis Protocol (Dec 30, 2021)

Flower / finished marijuana product

Required

Panel: Chemical contaminants

Test Type: Pesticide screening

Required under CCC protocol

Source: MA Cannabis Control Commission: Finished Marijuana Products Sampling & Analysis Protocol (Dec 30, 2021)

Flower / finished marijuana product

Required

Panel: Microbiology

Test Type: Microbial screening

Required under CCC protocol

Source: MA Cannabis Control Commission: Finished Marijuana Products Sampling & Analysis Protocol (Dec 30, 2021)

Flower / finished marijuana product

Required

Panel: Mycotoxins

Test Type: Mycotoxin screening

Required under CCC protocol

Source: MA Cannabis Control Commission: Finished Marijuana Products Sampling & Analysis Protocol (Dec 30, 2021)

Flower / finished marijuana product

Required

Panel: Heavy metals

Test Type: Heavy metals screening

Required (limits vary by route/labeling)

Source: MA Cannabis Control Commission: Finished Marijuana Products Sampling & Analysis Protocol (Dec 30, 2021)

Concentrates / resins / cannabis oil

Conditional

Panel: Residual solvents

Test Type: Residual solvents

Required only if solvents were used; test only for solvents used (per CCC protocol section 7.5)

Source: MA Cannabis Control Commission: Finished Marijuana Products Sampling & Analysis Protocol (Dec 30, 2021)

Concentrates / resins / cannabis oil

Required

Panel: Potency

Test Type: Cannabinoid potency

Required

Source: MA Cannabis Control Commission: Finished Marijuana Products Sampling & Analysis Protocol (Dec 30, 2021)

Concentrates / resins / cannabis oil

Required

Panel: Chemical contaminants

Test Type: Pesticides / mycotoxins / microbials / heavy metals

Required under CCC protocol

Source: MA Cannabis Control Commission: Finished Marijuana Products Sampling & Analysis Protocol (Dec 30, 2021)

Edibles

Required

Panel: Potency

Test Type: Cannabinoid potency

Required

Source: MA Cannabis Control Commission: Finished Marijuana Products Sampling & Analysis Protocol (Dec 30, 2021)

Edibles

Required

Panel: Homogeneity

Test Type: Content uniformity

Required (protocol requirement for finished products)

Source: MA Cannabis Control Commission: Finished Marijuana Products Sampling & Analysis Protocol (Dec 30, 2021)

Edibles

Required

Panel: Chemical contaminants

Test Type: Pesticides / mycotoxins / microbials / heavy metals

Required

Source: MA Cannabis Control Commission: Finished Marijuana Products Sampling & Analysis Protocol (Dec 30, 2021)

Edibles

Conditional

Panel: Residual solvents

Test Type: Residual solvents (from cannabis oil ingredient)

Required if solvents used upstream

Source: MA Cannabis Control Commission: Finished Marijuana Products Sampling & Analysis Protocol (Dec 30, 2021)

Need Help with Massachusetts Compliance?

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