Regulated cannabis contaminants by type U.S.

As of 2021, pesticides were the most regulated contaminant in the medical and recreational cannabis markets in the United States. Among the 31 jurisdictions that had published lists of controlled contaminants, there were 174 types of insecticides.

Number of cannabis contaminants regulated in the United States as of 2021, by type*

Characteristic	Number of contaminants
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Release date

November 2023

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Region

United States

Survey time period

June 2020 to May 2021

Supplementary notes

*Among the following 31 jurisdictions:
Medical cannabis only: Arkansas, Connecticut, Delaware, Florida, Hawaii, Louisiana, Maryland, Minnesota, Missouri, New Hampshire, North Dakota, Ohio, Oklahoma, Pennsylvania, Rhode Island, Utah

Medical and recreational: Alaska, Arizona, California, Colorado, Illinois, Maine, Massachusetts, Michigan, Montana, Nevada, New Jersey, New Mexico, Oregon, Vermont, Washington, and Washington, DC

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