Retail sales of legal marijuana have been underway in Washington state for more than four years—and state regulators in charge of quality control still aren’t sure what good cannabis is, or how to test for it.

All product sold in stores is supposed to be tested for mold, pesticides and other contaminants by labs evaluated and accredited by a private company under contract.

That will change sometime soon. The Washington State Liquor and Cannabis Board, which regulates marijuana sales, has until January 15 to come up with recommendations for how the state should begin accrediting testing labs.

But in order to do that, regulators—or state lawmakers, or both—have to decide what, exactly, makes good weed. And nobody—not in Washington state, nor elsewhere in the U.S. where marijuana is legal—can seem to agree what that is, according to a draft government report posted online Thursday.

“Current quality standards… are insufficient to support a robust, science-based cannabis laboratory accreditation program,” the Washington Department of Ecology document says.

A “Cannabis Science Workgroup” comprised of experts in chemistry, biology, medicine and other fields to determine minimum standards for cannabis quality should be formed, wrote Sara Sekerak, a senior chemist and project manager at the department.

To reach this determination, researchers with the agency reviewed quality-control standards in four states. They found that “[w]idely accepted quality standards for testing cannabis and cannabis products do not yet exist.”

“Accreditation does not designate product standards or quality standards,” the report adds. “However, these are necessary to support meaningful accreditation.”

Eventually, testing labs in Washington will be accredited by a state agency. Until that happens, quality may remain erratic.

Because of weak or nonexistent state rules, labs “are allowed to design their own levels” of quality control and quality assurance. There are no readily available samples of agreed-upon “quality” cannabis to set a basic standard by, as there is for drinking water and other consumer goods.

Untrained workers collecting samples for testing may taint the samples. And current accreditation standards applied by the International Organization for Standardization (ISO) are not sufficient, the report found.

See the original article published on Marijuana Moment below:

Washington Still Doesn’t Know What Good Marijuana Is (Or How To Test For It)

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