Table 3

DNT and TNT and its main metabolites found in urine during biomonitoring

	Concentration in urine (μg/l)
	No exposure (n=12)	Occasional exposure (n=19)	Regular exposure (n=51)
DL, analytical detection limit.
2,4,6-trinitrotoluene
Median	<DL	<DL	<DL
Range	<DL–<DL	<DL–<DL	<DL–5.0
n >DL	n=0	n=0	n=6
2-amino-4,6-dinitrotoluene
Median	<DL	<DL	23.0
Range	<DL–<DL	<DL–<DL	<DL–1464.0
n >DL	n=0	n=0	n=35
4-amino-2,6-dinitrotoluene
Median	<DL	<DL	231.0
Range	<DL–<DL	<DL–44.0	<DL–6693.0
n >DL	n=0	n=9	n=47
2,4-dinitrotoluene
Median	<DL	<DL	<DL
Range	<DL–<DL	<DL–<DL	<DL–<2.1
n >DL	n=0	n=0	n=1
2,4-dinitrobenzoic acid
Median	<DL	<DL	2.1
Range	<DL–3.78	<DL–35.0	<DL–95.0
n >DL	n=3	n=7	n=30
2,6-dinitrotoluene
Median	<DL	<DL	<DL
Range	<DL–<DL	<DL–<DL	<DL–3.6
n >DL	n=0	n=0	n=5