Dieldrin Levels Western Australia 1966 & 1970

Dieldrin Residues Western Australian Study by E. Shewchuck February 1981 Government Chemical Laboratories Perth (milk levels included very high levels of Dieldrin found in milk farm - Wanneroo Dairy. June 1966 120-350ug/L 220ug/L mean 9 samples. July 1966 40-140ug/L 60 mean 12 samples. Area was sprayed for Argentine Ant control Feb/Mar 1966 and afterwards used for grazing of a dairy herd.

May 1970 Western Australia Witchcliffe Area (Herd A) Dieldrin Milk 900ug/L (3000xADWGH)

May 1970 Western Australia Witchcliffe Area (Herd A) Dieldrin Milk 800ug/L (2666.667xADWGH)

June 1966 Mean Western Australia Wanneroo Dairy Dieldrin Milk 220ug/L (733.333xADWGH)

June 1970 Western Australia Witchcliffe Area (Herd A) Dieldrin Milk 170ug/L (566.667xADWGH)

July 1970 Western Australia Witchcliffe Area (Herd A) Dieldrin Milk 81ug/L (270xADWGH)

July 1966 Mean Western Australia Wanneroo Dairy Dieldrin Milk 220ug/L (733.333xADWGH)

August 1970 Western Australia Witchcliffe Area (Herd A) Dieldrin 49ug/L (163.333xADWGH)

July 1970 Western Australia Witchcliffe Area (Herd B) Dieldrin 32ug/L (106.667xADWGH)

November 1970 Western Australia Witchcliffe Area (Herd A) Dieldrin 24ug/L (80xADWGH)

December 1970 Western Australia Witchcliffe Area (Herd A) Dieldrin 16ug/L (53.333xADWGH)

August 1970 Western Australia Witchcliffe Area (Herd B) Dieldrin 14ug/L (46.667xADWGH)

November 1970 Western Australia Witchcliffe Area (Herd B) Dieldrin 12ug/L (40xADWGH

December 1970 Western Australia Witchcliffe Area (Herd B) Dieldrin 10ug/L (33.333xADWGH)