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Full Coverage: California’s problem with contaminated weed

skull and crossbones formed by cannabis and two vape pens on a black background with marijuana plants
(Photo illustration by Jim Cooke / Los Angeles Times)
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An investigation by The Times, in conjunction with cannabis industry newsletter WeedWeek, found alarming levels of pesticides in cannabis products available on dispensary shelves across the state. Reviews of confidential lab reports, public records and interviews show California regulators have largely failed to address evidence of widespread contamination in the state’s weed crop.

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