TABLE 5.

THCCOOH Concentrations in Authentic Oral Fluid Specimens Collected With the Quantisal and Oral-Eze Device (n = 24)

Device	Specimen ID	Time After Smoking, h	THCCOOH, ng/L
Quantisal	001	–0.5 (Admission)	149.5
	002	0.25	87.5
	003	1.0	81.6
	004	4.5	89.6
	005	7.5	167.5
	006	10.5	147.5
	007	–0.5	141.6
	008	0.25	124.0
	009	1.0	110.0
	010	4.5	55.5
Oral-Eze	001	–19.0 (Admission)	632.8
	002	–1.0	288.0
	003	0.5	347.2
	004	1.0	451.3
	005	2.0	528.9
	006	3.0	276.5
	007	4.0	254.6
	008	5.0	356.0
	009	6.0	130.5
	010	8.0	171.0
	011	10.5	139.8
	012	13.5	98.4
	013	21.0	284.3
	014	24.0	75.3