1993 October/November: Willbriggie Irrigation District. Pesticides: Multiple

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Willbriggie Irrigation Area October – November 1993

Drainage from either rice or maize crops in water channel (not all samples listed here)

Atrazine: 88ug/L November 1993, 58ug/L October 1993

Metolachlor: 140ug/L November 9 1993, 120ug/L November 11 1993, ~115ug/L November 21 1993, ~112ug/L November 19 1993

Molinate: ~270ug/L November 29 1993, ~200ug/L November 19 1993

Malathion: ~5.5ug/L October 1993

Thiobencarb: ~3ug/L November 1993

Bensulfuron: ~5.8ug/L November 1993

Chlorpyrifos: ~0.07ug/L November 23 1993, ~0.06ug/L November 21 1993

p57 PESTICIDE MONITORING IN THE IRRIGATION AREAS OF SOUTH-WESTERN NSW,

1990 – 1995 K H Bowmer, W Korth, A Scott, G McCorkelle, M Thomas CSIRO LAND & WATER
April 1998 TECHNICAL REPORT