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W 300 próbkach osadów rzecznych i 150 próbkach osadów jeziornych pobranych z obszaru Polski oznaczono zawartość p,p’-DDT, p,p’-DDE, p,p’-DDD metodą chromatografii gazowej z detekcją wychwytu elektronów (GC-ECD). W osadach rzecznych maksymalna zawartość p,p’-DDT wynosiła 2780 μg/kg, p,p’-DDD – 913 μg/kg, a p,p’-DDE – 298 μg/kg. Obecność p,p’-DDT stwierdzono w 38,9%, p,p’-DDE – 90,0%, a p,p’-DDD – 78,4%...
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