TABLE 4.

Time course of plasma Δ9THC, 11-OH-THC, and 11-COOH-THC concentrations.

Exp. 1	Plasma Concentrations Males			Plasma Concentrations Females
Time (min)	Δ9THC (ng/mL)	11-OH-THC (ng/mL)	11-COOH-THC (ng/mL)	Δ9THC (ng/mL)	11-OH-THC (ng/mL)	11-COOH-THC (ng/mL)
10	82.2 ± 20.4	3.4 ± 0.5	5.1 ± 0.7	36.7 ± 11.6	4.0 ± 0.9	7.4 ± 0.8
20	29.1 ± 5.0	3.5 ± 0.3	5.8 ± 0.8	37.0 ± 3.9	< LLOQ	6.6 ± 0.8
40	28.5 ± 4.1	< LLOQ	5.1 ± 0.5	47.9 ± 11.6	< LLOQ	7.2 ± 1.5
60	31.6 ± 7.8	< LLOQ	4.1 ± 0.3	22.6 ± 5.5	< LLOQ	6.2 ± 0.7
120	27.6 ± 7.7	< LLOQ	3.8 ± 0.2	28.1 ± 8.5	< LLOQ	5.1 ± 0.3
240	11.2 ± 2.4	< LLOQ	3.5 ± 0.2	29.9 ± 15.5	< LLOQ	4.2 ± 0.7

Abbreviations: LLOQ, lower limit of quantification.