34
Cannabis
THC 1–3 days [100, 50, 20; 15]
(casual use)
3 days [NS] (single use)
30 days [100, 50, 20; 15]
(chronic use)
36 days [NS]
(chronic heavy use)
2–24 hours [1]
(single use)
4–14 hours [NS]
(single use)
22.5 hours [0.5]
(occasional use)
30+ hours [0.5]
(frequent use)
4–30 hours [NS]
(chronic heavy use)
34 hours
1–2 [1] days
5 hours [10]
THCCOOH 3–4 days [50]
(single use)
7 days [20] (single use)
1–5 days [50]
(infrequent use)
10 days [50] (heavy use)
21 days [20] (heavy use)
36 hours [15]
(single use 1.75% THC)
3.5 days [15]
(single use 3.55% THC)
1–5 days [20]
(regular use 1.75% THC)
3–6 days [20]
(regular use 3.55% THC)
3 days [NS] (single use)
4–7 days [NS]
(moderate use)
10–15 days [NS]
(heavy use)
30–60 days [NS]
(chronic heavy use)
8 hours [15]
(occasional use)
30+ hours [15]
(frequent use)
36 hours [10]
Table 7. Windows of Detection Table (cont'd)
Drug
Target Analyte
Detection Time in
Urine [cutoff (ng/mL)
initial; confirm]
Detection Time in
Oral Fluid [cutoff
(ng/mL) initial;
confirm]
Detection
Time in
Blood
[cutoff
(ng/mL)]
Windows of Detection Table
