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ISOMER DEPENDENT BIOAVAILABILITY OF POLYCHLORINATED DIBENZO-P-DIOXINS AND DIBENZOFURANS FROM MUNICIPAL INCINERATOR FLY ASH TO CARP
Citation:
Kuehl, D., P. Cook, A. Batterman, AND B. Butterworth. ISOMER DEPENDENT BIOAVAILABILITY OF POLYCHLORINATED DIBENZO-P-DIOXINS AND DIBENZOFURANS FROM MUNICIPAL INCINERATOR FLY ASH TO CARP. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/J-87/361 (NTIS PB88224324).
Description:
The isomer dependent bioavailability of Polychlorinated Dibenzo-p-dioxins and Dibenzofurans (PCDDs and PCDFs) from municipal incinerator fly ash to freshwater fish was determined. It was observed that carp exposed to fly ash in a continuous flow exposure readily accumulated select isomers of PCDDs and PCDFs. A preference for greater retention of isomers substituted in the 2, 3, 7 and 8 positions was observed. The Bioavailability Index (ratio of contaminant level in fish to level in fly ash) decreased with increasing degree of chlorination.