Denver quarantines marijuana products due to pesticides
Although pesticides are widely used on crops, their use on cannabis remains problematic because no safety standards exist. Marijuana is illegal under federal law, so the U.S. Environmental Protection Agency, which regulates pesticides, has never established any limits.
The Colorado Department of Agriculture, however, has created a list of pesticides it says can be used.
State law requires all marijuana product labels list the pesticides, contaminants, fungicides and herbicides that were used at any point of the production process, from germination to packaging.
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