1992: Willbriggie Irrigation District Sediments: Pesticides: Alpha-BHC, Dieldrin, DDE and DDD

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Davies analysed sediments from Barren Box Swamp, Yanco Main Drain, Cooragool Lagoon, and three rice farms. Alpha-BHC, Dieldrin DDE and DDD were detected in one or more of the soil samples from rice farms, with the highest concentration being 0.136 mg/kg of DDE (Table 26). Sediment samples from Yanco Main Drain and Cooragool Lagoon contained traces of DDE, DDD and DDT but not alpha-BHC or dieldrin (Table 27). Although Davies did not detect
organochlorine residues in sediment from Barren Box Swamp, Garbin (1992), in a separate set of
measurements, detected trace levels of DDT residues in both sediment and biota.

p84 PESTICIDE MONITORING IN THE IRRIGATION AREAS OF SOUTH-WESTERN NSW 1990 – 1995 K H Bowmer, W Korth, A Scott, G McCorkelle, M Thomas