"THC concentration" means nanograms of delta-9 tetrahydrocannabinol per milliliter of a person's whole blood. THC concentration does not include measurement of the metabolite THC-COOH, also known as carboxy-THC.
[ 2013 c 3 § 3 (Initiative Measure No. 502, approved November 6, 2012).]
NOTES:
Intent—2013 c 3 (Initiative Measure No. 502): See note following RCW 69.50.101.