Originator: U.S. Geological Survey, Biological Resources Division, Leetown Science Center
Publication_Date: Unknown
Title: Health of Bullhead in an Urban Fishery after Remedial Dredging
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Publication_Place: Kearneysville, West Virginia
Publisher: USGS, BRD, Leetown Science Center
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Abstract:
Tumor frequency in brown bullhead and PAH residue levels have been studied
periodically in the Black River since 1980. During 1982 when a coke plant was
operational, brown bullhead (age 3 or older) had a 60% frequency of liver
neoplasms and a 39% frequency of outright cancer. Sediment from near the
outfall of the USX coking facility contained high concentrations of polynuclear
aromatic hydrocarbons (PAH), with known mammalian carcinogens such as
benzo(a)pyrene (B(a)P) being in the 40 50 mg/kg range. Such levels are over
1,000 times higher than those found at reference sites. The USX coking plant
permanently closed in October of 1983. Four years later in 1987 the tumor
prevalence for mature fish had declined to almost one-half the 1982 level
(32%), and the incidence of cancer had been reduced to about one-fourth of the
1982 level (10%). This decline was statistically significant within age groups.
The web site for Leetown Science Center research studies is
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Contact_Organization: DOI/USGS/BRD/LSC > Leetown Science Center, Biological Resources Division, U.S. Geological Survey, U.S. Department of the Interior