Table 1.

Detected substances in the hair segments

Segment	Length (cm)	Etizolam (ng/mg)	THC (ng/mg)	Amphetamine (ng/mg)	Cocaine (ng/mg)	Benzoyleconine (ng/mg)
1 (incl. roots)	0.5	0.051	0.059	0.419	0.149	n.d.*
2	1.5	0.024	0.040	1318	0.034	n.d.*
3	1.5	0.037	0.130	2568	0.127	0.036
4	2	0.107	0.190	3.37	0.222	0.068

*Not detected