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PDFWAC 314-55-101

Quality control sampling.

(1) All licensed marijuana processors, producers, certified labs, and certified lab employees must comply with the sampling procedures described in this section, consistent with RCW 69.50.348. Noncompliance may result in disciplinary action as described in this chapter and applicable law.
(2) Sample collection. All samples of marijuana, useable marijuana, or marijuana-infused products must be submitted to a certified lab for testing consistent with this chapter.
(a) All samples must be deducted, stored, and transported in a way that prevents contamination and degradation.
(b) To maximize sample integrity, samples must be placed in a sanitary container and stored in a location that prevents contamination and degradation.
(c) Each quality control sample container must be clearly marked "quality control sample" and labeled with the following information:
(i) The certificate number and name of the certified lab receiving the sample;
(ii) The license number and registered trade name of the licensee sending the sample;
(iii) The date the sample was collected; and
(iv) The weight of the marijuana, useable marijuana, or marijuana-infused product the sample was collected from.
(d) Sampling and analysis requirements apply to all marijuana products regulated by the board.
(3) Additional sampling protocols for quantities of marijuana flower:
(a) Samples must be of roughly equal weight not less than one gram each. Each sample must be deducted from a harvest as defined in WAC 314-55-010(14).
(b) For marijuana flower weighing up to 10 pounds, a minimum of eight samples must be taken.
(c) For marijuana flower weighing 10 pounds or more but less than 20 pounds, a minimum of 12 samples must be taken.
(d) For marijuana flower weighing 20 pounds or more but less than 30 pounds, a minimum of 15 samples must be taken.
(e) For marijuana flower weighing 30 pounds or more but less than 40 pounds, a minimum of 18 samples must be taken.
(f) For marijuana flower weighing 40 pounds or more but not more than 50 pounds, a minimum of 19 samples must be taken.
(4) Sample retrieval and transportation. Certified labs may retrieve samples from a marijuana licensee's licensed premises and transport the samples directly to the lab.
(5) Certified labs must reject or fail a sample if the lab has reason to believe the sample was not collected in the manner required by this section, adulterated in any way, contaminated with known or unknown solvents, or manipulated in a manner that violates the sampling protocols, limit tests, or action levels.
[Statutory Authority: RCW 69.50.345 and 69.50.348. WSR 22-06-097, § 314-55-101, filed 3/2/22, effective 4/2/22. Statutory Authority: RCW 69.50.342 and 69.50.345. WSR 17-12-032, § 314-55-101, filed 5/31/17, effective 8/31/17; WSR 16-11-110, § 314-55-101, filed 5/18/16, effective 6/18/16.]
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