EVALUATION OF ESTROGEN-LIKE SUBSTANCES DISCHARGED FROM SEWAGE TREATMENT PLANTS ALONG AN URBANIZED RIVER IN JSPAN

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Abstract:

The Ministry of Construction (MOC) has performed the fact-finding surveys on EDs in major rivers and sewage treatment plants (STPs) throughout Japan. The results of the fact-finding surveys, many substances were detected in rivers and more substances were detected at higher concentrations in the discharges from the STPs. This paper firstly reviewed the state of endocrine disruptors (EDs) pollution and the fish survey in an urban river in Tokyo, the Tama River, based on the above fact-finding survey. Especially nonylphenol, bisphenol A, and 17β-estradiol were detected almost all locations. Then this paper discusses the estrogenicity of the river water and the STPs discharge using assay using recombinant yeast. The estrogenicity was detected from all the samples, and the level of estrogenicity of the STPs discharge was higher than that of the river water in the middle reach of tha Tama River. Then, this paper it presented mass balance of EDs in the Tama River to evaluate the effects of discharge from the STPs. We found that the STPs discharge is a major route of the EDs and the estrogenicity entering into the Tama River although their extents vary depend on the characteristics of the EDs.

Document Type: Research Article

DOI: http://dx.doi.org/10.2175/193864700784545063

Publication date: January 1, 2000

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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