(a) The laboratory shall analyze a sample of cannabis or cannabis product to determine whether foreign material is present. (b) The laboratory shall report the result of the foreign material test by indicating “pass” or “fail” on the COA. (c) The laboratory shall perform foreign material testing on the total representative sample prior to sample homogenization. (d) When the laboratory performs foreign material testing, at minimum, the laboratory shall do all of the following: (1) Examine both the exterior and interior of the cannabis sample, and (2) Examine the exterior of the cannabis product sample. (e) A sample shall be deemed to have passed the foreign material testing if the presence of foreign material does not exceed: (1) 1/4 of the total sample area covered by sand, soil, cinders, or dirt; (2) 1/4 of the total sample area covered by mold; (3) 1 insect fragment, 1 rodent hair, or 1 count mammalian excreta per 3.0 grams; or (4) 1/4 of the total sample area covered by an imbedded foreign material. (f) If a sample fails foreign material testing, the batch from which the sample was collected fails foreign material testing and shall not be released for retail sale. Authority: Section 26013, Business and Professions Code. Reference: Sections 26100, 26104 and 26110, Business and Professions Code.