Examining impairment and kinetic patterns associated with recent use of hemp-derived Δ8-tetrahydrocannabinol: case studies

Table 2 ∆⁸/∆⁹-THC pharmacokinetic data

	∆⁸-THC half-life (min)		∆⁹-THC half-life (min)	∆⁸-THC breath/blood ratio
	Time interval post-vaporization/smoking (min)			Time post-vaporization (min)
Subject	0–20 blood	0–15 breath	0–20 breath	0	15	180
103	10.4	0.8	0.4	178.2	46.9	ND
104	11.2	2.8	11.8	12.1	2.3	0.9
105	5.2	7.8	7.3	15.4	20.2	ND

ND No detection in blood (limit of detection 0.5 ng/mL), ∆⁸-THC ∆⁸-tetrahydrocannabinol, ∆⁹-THC ∆⁹-tetrahydrocannabinol

ISSN: 2522-5782