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Iowa State University

Bioresource and Agricultural Engineering

2002

D. Raj Raman

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Full-Text Articles in Engineering

Estrogen Concentrations In Dairy And Swine Waste Storage And Treatment Structures In And Around Tennessee, D. Raj Raman, Elizabeth L. Williams, Robert T. Burns, Alice C. Layton, Adam S. Daugherty, Michael D. Mullen Jan 2002

Estrogen Concentrations In Dairy And Swine Waste Storage And Treatment Structures In And Around Tennessee, D. Raj Raman, Elizabeth L. Williams, Robert T. Burns, Alice C. Layton, Adam S. Daugherty, Michael D. Mullen

D. Raj Raman

Naturally occurring estrogens in animal wastes may cause negative environmental impacts in some watersheds. However, there is little published data regarding the concentrations of these estrogenic compounds in full-scale animal waste treatment and storage structures, thus making risk assessment difficult. To address this knowledge gap, the research described in this paper explores estrogen concentrations in 19 animal waste storage and treatment structures at dairy and swine production facilities in and around Tennessee.

Samples have been collected from eight dairy and eleven swine facilities, representing a range of waste storage and treatment structures typical of Tennessee, and much of the southeastern …