6508 TESTING FOR FOREIGN MATERIAL

6508.1 Cultivation centers and manufacturers shall test all products for mold, mildew, pests, and other foreign materials in accordance with this section before distributing, selling, or otherwise transferring the product to an internet retailer, manufacturer, or retailer.6508.2 The testing laboratory shall analyze the representative sample of medical cannabis and medical cannabis products to determine whether mold, mildew, pests and other foreign material is present.6508.3 The licensed laboratory shall report the result of the foreign material test by indicating “pass” or “fail” in the result report.6508.4 The testing laboratory shall perform foreign material testing required by this section on the total representative sample prior to sample homogenization.6508.5 When the testing laboratory performs foreign material testing, the laboratory shall, at minimum, do all of the following:- (a) Examine both the exterior and interior of the dried flower sample, and

- (b) Examine the exterior of the cannabis product sample.6508.6 The sample shall be deemed to have passed the foreign material testing if the presence of foreign material does not exceed:- (a) 1/4 of the total sample area covered by sand, soil, cinders, or dirt;

- (b) 1/4 of the total sample area covered by mold or mildew;

- (c) 1 insect fragment, 1 hair, or 1 count mammalian excreta per 3.0 grams; or

- (d) 1/4 of the total sample area covered by an imbedded foreign material.6508.7 If the sample fails foreign material testing, the batch from which the sample was collected fails foreign material testing and shall be deemed adulterated.

SOURCE: Final Rulemaking published at 73 DCR 002136 (February 20, 2026).