Analysis of steroid hormones and their conjugated forms in water and urine by on-line solid-phase extraction coupled to liquid chromatography tandem mass spectrometry

Table 7 Concentrations of the selected estrogens in the urine samples analysed in µg L⁻¹

Estrogens	LOD (drinking water)	Pregnant women			Women
Estrogens	LOD (drinking water)	A (40 years old)	B (30 years old)	C (25 years old)	D (30 years old)	E (35 years old)	F (15 year old)
E3-3S	0.001	493	577	988	16.9	22.5	10.8
E2-17G	0.001	662	798	1707	4.834	10.9	2.29
E2-17S	0.005	<0.005	<0.005	<0.005	6.71	6.68	7.91
E1-3S	0.005	5332	9750	2950	36.2	30.9	NA
E2-3S	0.003	10.1	16.5	5.36	1.74	0.473	2.97
E3	0.004	2.09	1.22	14.2	<0.004	<0.004	<0.004
E2	0.006	<0.006	<0.006	<0.006	<0.006	<0.006	<0.006
E1	0.013	0.42	<0.013	1.08	<0.013	<0.013	<0.013
EE2	0.007	<0.007	<0.007	<0.07	<0.007	<0.007	<0.007

ISSN: 2661-801X