| decline in liver neoplasms in wild brown bullhead catfish after coking plant closes and environmental pahs plummet. | polycyclic aromatic hydrocarbons (pahs) in both sediment and brown bullhead catfish tissues from the black river in lorain county, ohio, declined by 65% and 93%, respectively, between 1980 and 1982. sediment pahs declined an additional 99% by 1987, coincident with the closure of a coking facility in 1983. contemporaneously, liver cancer in 3- to 4-year-old brown bullheads declined to about one-quarter the 1982 frequency (10% versus 39%) by 1987, while the percentage of livers without any prolife ... | 1995 | 7737065 |
| mercury and other trace elements in ohio river fish collected near coal-fired power plants: interspecific patterns and consideration of consumption risks. | many coal-fired electric generating facilities in the united states are discharging higher loads of hg, se, and other chemicals to receiving streams due to the installation of flue gas desulfurization (fgd) air pollution control units. there are regulatory concerns about the potential increased uptake of these bioaccumulative trace elements into food webs. we evaluated the concentrations of as, total hg (thg), methylmercury (mehg), and se in ohio river fish collected proximal to coal-fired power ... | 2015 | 25586716 |