Table 5.

Comparison of reported concentrations of the studied estrogens in river samples

Estrogens	Present study	a	b	c	d
E3-3S	<6.3	<0.3	NA	ND	<0.07
E2-17G	<21	<3.1	<2.24	ND	1.10–7.34
E2-17S	<3.3	NA	NA	NA	NA
E1-3S	<25	0.3–0.8	ND–7	0.3–7	<0.16
E2-3S	<5.3	0.2–0.8	NA	0.2–0.4	0.59–0.85
E3	<10	NA	NA	ND–51	1–7.27
E2	<9.5	NA	NA	ND–8.8	ND
E1	<9.7	0.2–6.6	4–22	<0.1–17	ND
EE2	<25	NA	NA	NA	ND

Concentrations in ng L⁻¹

NA not analyzed

ND not detected

a Isobe et al. [44], 1000 mL volume sample

b Mozaz et al. [46], 500 mL volume sample

c Liu et al. [1], no information about volume sample

d Kuster et al. [47], 500 mL volume sample