US EditionCannabis Testing Lab in Tyngsborough Suspended over Inaccurate Mold Reporting
- On July 2, 2025, the Cannabis Control Commission suspended Assured Testing Laboratories in Tyngsborough and ordered it to cease operations by midnight July 4.
- The suspension followed an investigation revealing Assured failed to report 544 yeast and mold contamination failures and reanalyzed 160 samples to obscure results.
- Assured handled a total of 22,531 samples over the specified one-year period, conducting yeast and mold testing on 18,246 of those, which accounted for roughly a quarter of all similar tests performed statewide.
- The order states Assured’s test failures were only 0.05 percent, while the industry average contamination rate was about 4.5 percent, showing a significant reporting discrepancy.
- The commission’s action aims to protect public health, ensure accurate testing, and encourage accountability, and Assured has 21 days to request a hearing to appeal the suspension.
13 Articles
13 Articles
Cannabis Control Commission finds evidence of test fraud, orders Mass. testing lab to close - The Boston Globe
The CCC, in its first ever suspension order, alleged that Tyngsborough-based Assured Testing Laboratories failed to accurately report levels of mold and yeast it found in the cannabis it tested.
Eagle-Tribune
Gloucester Daily TimesState orders cannabis testing lab to suspend operations
BOSTON — Cannabis regulators have ordered one of the state’s independent testing labs to suspend operations, alleging a “pattern of failing to accurately report” marijuana test results and “an intentional
Marijuana Moment
newsbudz.comMarijuana’s Schedule I Status ‘Traps Researchers In A Paradox,’ Federally Funded Scientists Say
Researchers involved in a federally funded clinical trial around marijuana write in a new article in the American Journal of Medicine that further study into the substance is of “critical importance” given the millions of patients and consumers in legal states, but they warn that government restrictions “stifle scientific exploration of its potential and risks.” Classifying cannabis as a Schedule I substance, write authors from the University of…
Sentinel and Enterprise
Boston HeraldBudding problems: Tyngsboro marijuana testing facility ordered shut over mold, yeast concerns
Bay State regulators have suspended the license of a marijuana testing facility over allegations they failed to report yeast and mold test results to the Cannabis Control Commission.
Cannabis regulators order testing lab to suspend operations
BOSTON (SHNS) - Cannabis regulators have ordered one of the state's independent testing labs to suspend operations, alleging a "pattern of failing to accurately report" marijuana test results and "an intentional effort to conceal those failing results." The Cannabis Control Commission said an investigation led by its new Investigations & Enforcement Taskforce determined that Tyngsborough-based Assured Testing Laboratories was not accurately repo…
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