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BUREAU OF CANNABIS CONTROL;§ 5723. Heavy Metals Testing

(a) The laboratory shall analyze a sample of cannabis or cannabis product to determine whether heavy metals are present. (b) The laboratory shall report the result of the heavy metals test in micrograms per gram (µg/g) on the COA and indicate “pass” or “fail” on the COA. (c) A sample shall be deemed to have passed the heavy metals testing if the presence of heavy metals does not exceed the action levels listed in the following table. (d) If a sample fails heavy metals testing, the batch from which the sample was collected fails heavy metals testing and shall not be released for retail sale.

Heavy Metal Action Level (µg/g) Inhalable Cannabis and Cannabis Products Other Cannabis and Cannabis Products Cadmium 0.2 0.5 Lead 0.5 0.5 Arsenic 0.2 1.5 Mercury 0.1 3.0 Authority: Section 26013, Business and Prof

BUREAU OF CANNABIS CONTROL;§ 5722. Foreign Material Testing

(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.

BUREAU OF CANNABIS CONTROL;§ 5718. Residual Solvents and Processing Chemicals Testing

(a) The laboratory shall analyze a sample of cannabis product to determine whether residual solvents or processing chemicals are present. (b) The laboratory shall report the result of the residual solvents and processing chemicals testing in unit micrograms per gram (µg/g) on the COA and indicate “pass” or “fail” on the COA. (c) The laboratory shall establish a limit of quantification (LOQ) of 1.0 µg/g or lower for all Category I Residual Solvents or Processing Chemicals. (d) The sample shall be deemed to have passed the residual solvents and processing chemicals testing if both of the following conditions are met: (1) The presence of any residual solvent or processing chemical listed in the following tables in Category I is not detected, and (2) The presence of any residual solvent or processing chemical listed in the following tables in Category II does not exceed the indicated action levels. (d) If a sample fails residual solvents and processing chemicals testing, the batch from which the sample was collected fails residual solvents and processing chemicals 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

List of Pesticides Allowed for Use in Marijuana Production

Updated List of Pesticides Allowed for Use in Marijuana Production

The Washington State Department of Agriculture (WSDA) has recently updated the list of pesticides that are allowed for use in marijuana production in Washington State, based on criteria previously established by WSDA.

The WSDA has added 12 pesticides to the list of allowable products. Pesticides containing two new active ingredients (Cinnamaldehyde, Gliocladium catenulatum Strain J1446) were added to the list. Most of the pesticides that were added to the list contain active ingredients that were already allowed for use in marijuana production.

Some pesticides are labeled for application to soil or to crop plants, while some pesticides are labeled for application to both soil and crop plants (e.g., insecticides, fungicides). Other pesticides include herbicides labeled for direct application to, and control of, unwanted plants (i.e., weeds). Remember to read, understand, and comply with all applicable label directions and precautions when using any pesticide.

Added

  1. AZERA PRO, EPA Reg. No. 1021-1872
  2. DEADZONE, EPA Reg. No. 73729-1
  3. DESECT AG DIATOMACEOUS EARTH INSECTICIDE, EPA Reg. No. 7655-1
  4. PRESTOP WG, EPA Reg. No. 64137-13
  5. PVENT, EPA Reg. No. 64137-13-70299
  6. SEICAN, EPA Reg. No. 91473-2
  7. SLUGGO MAXX, EPA Reg. No. 67702-55
  8. CINNERATE, WA Reg. No. 998200-14001
  9. ELEMONATEM, WA Reg. No. 999860-16001
  10. HEDGE NATURAL DEFENSE PLANT PROTECTANT, WA Reg. No. 997420-18001
  11. PROCIDIC2, WA Reg. No. 999550-16002
  12. PURELY GREEN BIO-PESTICIDE SUPER CONCENTRATE, WA Reg. No. 84289-18001

You can find the complete list of pesticides that are allowed for use in marijuana production, the criteria WSDA used to establish the list, and information regarding statewide stop-sale orders in Washington on the WSDA web site.

Contact

For information regarding the registration of pesticides and fertilizers, please contact the WSDA Pesticide and Fertilizer Registration Section.

For information regarding how to comply with the pesticide label, please contact the WSDA Pesticide Compliance Program.

For any other questions, please contact your Liquor and Cannabis Board enforcement officer.

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