| occurrence of estrogenic effects in sewage and industrial wastewaters in beijing, china. | estrogenic potencies of the effluents or water samples from wastewater treatment plants (wwtps), industries and hospitals and some receiving rivers in beijing city were estimated by using a human estrogen receptor recombinant yeast assay. estrogenic activity of industrial wastewaters was found to range from 0.1 to 13.3 ng eeq/l and decreased to the range of 0.03-1.6 ng eeq/l after treatment. estrogenic activity in wwtp influent ranged from 0.3 to 1.7 ng eeq/l and decreased to the range of 0.05-0 ... | 2007 | 16872730 |