Cal. Code Regs. Tit. 4, § 15717 - Moisture Content and Water Activity Testing

(a) The licensed laboratory shall analyze at minimum 0.5 grams of the representative sample of dried flower to determine the level of water activity and the percentage of moisture content.

(1) The dried flower sample, including pre-rolls, shall be deemed to have passed water activity testing if the water activity does not exceed 0.65 Aw. The laboratory shall report the result of the water activity test on the certificate of analysis (COA) and indicate "pass" or "fail" on the COA.

(2) The licensed laboratory shall report the result of the moisture content test on the COA as a percentage.

(b) The licensed laboratory shall analyze at least 0.5 grams of the representative sample of solid edible cannabis products to determine the level of water activity. A solid edible cannabis product shall be deemed to have passed water activity testing if the water activity does not exceed 0.85 Aw. The laboratory shall report the result of the water activity test on the COA and indicate "pass" or "fail" on the COA.

(c) If the sample fails water activity testing, the batch from which the sample was collected fails water activity testing and shall not be released for retail sale.

Notes

Cal. Code Regs. Tit. 4, § 15717

1. Change without regulatory effect renumbering former title 16, section 5717 to new title 4, section 15717 filed 7-14-2021 pursuant to section 100, title 1, California Code of Regulations (Register 2021, No. 29). For prior history of title 16, division 42, see Register 2019, No. 3.
2. Amendment of subsections (a), (a)(2) and (b) filed 9-27-2021 as an emergency; operative 9-27-2021 (Register 2021, No. 40). This filing is a deemed emergency pursuant to Business and Professions Code sections 26013(b)(3) and 26153.1(k). A Certificate of Compliance must be transmitted to OAL by 3-28-2022 or emergency language will be repealed by operation of law on the following day.
3. Amendment of subsections (a), (a)(2) and (b) refiled 3-28-2022 as an emergency; operative 3-28-2022 (Register 2022, No. 13). This filing is a deemed emergency pursuant to Business and Professions Code sections 26013(b)(3) and 26153.1(k). A Certificate of Compliance must be transmitted to OAL by 9-26-2022 or emergency language will be repealed by operation of law on the following day.
4. Certificate of Compliance as to 3-28-2022 order transmitted to OAL 9-26-2022 and filed 11-7-2022 (Register 2022, No. 45).

Note: Authority cited: Section 26013, Business and Professions Code. Reference: Sections 26100, 26104 and 26110, Business and Professions Code.

1. Change without regulatory effect renumbering former title 16, section 5717 to new title 4, section 15717 filed 7-14-2021 pursuant to section 100, title 1, California Code of Regulations (Register 2021, No. 29). For prior history of title 16, division 42, see Register 2019, No. 3.
2. Amendment of subsections (a), (a)(2) and (b) filed 9-27-2021 as an emergency; operative 9/27/2021 (Register 2021, No. 40). This filing is a deemed emergency pursuant to Business and Professions Code sections 26013(b)(3) and 26153.1(k). A Certificate of Compliance must be transmitted to OAL by 3-28-2022 or emergency language will be repealed by operation of law on the following day.
3. Amendment of subsections (a), (a)(2) and (b) refiled 3-28-2022 as an emergency; operative 3/28/2022 (Register 2022, No. 13). This filing is a deemed emergency pursuant to Business and Professions Code sections 26013(b)(3) and 26153.1(k). A Certificate of Compliance must be transmitted to OAL by 9-26-2022 or emergency language will be repealed by operation of law on the following day.
4. Certificate of Compliance as to 3-28-2022 order transmitted to OAL 9-26-2022 and filed 11/7/2022 (Register 2022, No. 45).