The accumulation of a chlorinated pesticide, DDT, from filtered water and from sewage effluent by brine shrimp (Artemia salina) was investigated in a short-term laboratory ecosystem. During 24-h of contamination, Artemia was found to rapidly accumulate significant amounts of DDT from two aqueous environments with DDT ranging from 0.1 µg mL -1 to 2.0 µg mL -1 . The highest levels of DDT in the body of Artemia were found in the 2.0 µg mL -1 treatment group to be 1.24 µg g -1 and 0.42 µg g -1 (dry wt basis) in filtered water and in sewage effluent, respectively. A decreasing survival of the nauplii was observed with increasing DDT concentrations in both aqueous environments. Percentages of DDT accumulation by Anemia in both aqueous environments were also affected by the increase of DDT concentrations.
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