Oregon Health Authority
Public Health Division - Chapter 333
Division 7
MARIJUANA AND HEMP TESTING
333-007-0420
Standards for Testing Water Activity and Moisture Content
(1) Usable marijuana must be tested by a laboratory for:
(a) Water activity; and
(b) Moisture content.
(2) Kief manufactured before March 1, 2023, must be tested by a laboratory for water activity unless the marijuana or usable marijuana used to produce the kief has already passed testing for water activity prior to producing the kief in accordance with OAR 333-007-0320(6).
(3) If a sample has a water activity rate of more than 0.65 Aw the sample fails.
(4) If a sample has a moisture content of more than 15 percent the sample fails.
Statutory/Other Authority: ORS 475C.544
Statutes/Other Implemented: ORS 475C.544
History:
PH 24-2022, amend filed 03/15/2022, effective 03/31/2022
PH 89-2020, amend filed 12/30/2020, effective 01/01/2021
PH 282-2018, amend filed 12/20/2018, effective 01/01/2019
PH 9-2017, f. 5-26-17, cert. ef. 5-31-17
PH 21-2016, f. 6-24-16, cert. ef. 6-28-16
PH 22-2015(Temp), f. 11-13-15, cert. ef. 1-1-16 thru 6-28-16