“…Various other workers have reported on the concentrations of chlorinated insecticides found inˇsh andˇsh tissues, including benzene hexachloride, hexachlorocyclohexane, heptachlor, aldrin, DDT and polychlorobiphenyl, toxaphene [23,24], PCBs, DDT and hydrocarbons [25], polychlorobiphenyls and p ;p 0 -DDE [26], and lindane [27]. Concentrations of Eulan WA (polychloro-2-(chloromethyl sulfonamido)diphenyl ethers) in perch livers (4.5 { 5.5 mg/l) are appreciably higher than those found in the wholeˇsh tissue (0.30 { 0.33 mg/kg) [29].…”