In January, researchers at the California Department of Pesticide Regulation and Sacramento State will offer cannabis users a $20 gift card in exchange for them anonymously sharing how much cannabis they consume in an effort to help determine accurate safety levels for pesticides used for cannabis cultivation, according to a Capital Public Radio report.

Charlotte Fadipe, a spokesperson for the regulatory agency, said neither federal nor state regulators have any good data on pesticide use when it comes to cannabis and, in order to calculate those levels, officials need to know how much cannabis people are consuming.

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California Study to Research Safe Pesticide Levels for Cannabis