Environmental Project, 977 – Survey of Estrogenic Activity in the Danish Aquatic Environment – Figure 1 A-D Presentation of all bioassay and chemical results for measurement of the total concentration of estrogens. Based on results in ng E2 equivalents/L.

Survey of Estrogenic Activity in the Danish Aquatic Environment

Figure 1 A-D Presentation of all bioassay and chemical results for measurement of the total concentration of estrogens. Based on results in ng E2 equivalents/L.

Wastewater treatment plants	Pollution sources in the open land	Aquatic environment
A. MBND/MBNDC* B. MBN/MBNC* C. MB/MBC* D. M/MC* E. Reed beds F. Biological sand filters	G. Effluents from isolated houses H. Drains from manure treated fields I. Drains from sludge amended fields J. Separate stormwater runoff K. Fish farms	L. Streams/rivers, up/down WWTPs (Lu and Ld, respectively) M. Streams/rivers, general N. Streams/rivers in husbandry areas O. Lakes in husbandry areas P. Reference streams (background) Q. Reference lakes (background) R. Lakes, general

* M - mechanical; B = Biological; N = Nitrification; D = Denitrification; C = Chemical

Figure 1 A-D Presentation of all bioassay and chemical results for measurement of the total concentration of estrogens. Based on results in ng E2 equivalents/L.