(1) Only pesticides allowed under WAC 314-55-084 may be used in the production of marijuana, and they must be registered by the Washington state department of agriculture (WSDA) under chapter 15.58 RCW.

(2) Pursuant to WAC 314-55-102, if the WSLCB, WSDA, other designee of the WSLCB, or certified lab identifies a pesticide that is not allowed under subsection (1) of this section and is above the action levels provided in subsection (3) of this section, that lot or batch from which the sample was deducted has failed quality assurance testing and may be subject to a recall as provided in WAC 314-55-225.

(3) The action levels for pesticides are provided in the table below. The action level for all other pesticides that are not listed in the table below or not allowed under subsection (1) of this section is 0.1 ppm.

(4) Except as otherwise provided in this section, licensed marijuana producer or processor that provided a sample that fails quality assurance testing must dispose of the entire lot or batch from which the sample was taken as provided by marijuana waste disposal requirements in WAC 314-55-097 and document the disposal of the sample pursuant to traceability requirements in WAC 314-55-083(4) and recordkeeping requirements in WAC 314-55-087. A licensee's sample that does not test above the pesticide action levels under this section where test results show the presence of a pesticide that is not allowed under subsection (1) of this section may still be subject to an administrative violation if the disallowed pesticide was applied.

(5) Except as otherwise provided in this section, a licensed marijuana producer or processor which provided a sample that fails quality assurance testing must dispose of the entire lot or batch from which the sample was taken as provided by marijuana waste disposal requirements in WAC 314-55-097 and document the disposal of the sample pursuant to traceability requirements in WAC 314-55-083(4) and recordkeeping requirements in WAC 314-55-087.

(6) Pursuant to WAC 314-55-102, at the request of the producer or processor, the WSLCB may authorize a retest to validate a failed test result on a case-by-case basis. All costs of the retest will be borne by the producer or the processor requesting the retest.

(7) Producers and processors may remediate failed harvests, lots, or batches so long as the remediation method does not impart any toxic or deleterious substance to the usable marijuana, marijuana concentrates, or marijuana-infused product. Remediation solvents or methods used on the marijuana product must be disclosed to a licensed retailer or consumer upon request. The entire harvest, lot, or batch the failed sample(s) were deducted from must be remediated using the same remediation technique. No remediated harvest, lots or batches may be sold or transported until the completion and successful passage of quality assurance testing as required in this section and WAC 314-55-102.

(8) Pursuant to WAC 314-55-102, upon request a marijuana licensee must disclose and make available all quality assurance tests and retest results for the lot or batch of usable marijuana, marijuana concentrates, or marijuana-infused products to the marijuana licensee or retail customer who is considering purchasing the usable marijuana, marijuana concentrates, or marijuana-infused products.