2009 May - June. Gladstone Ports Dredging. Pesticides detected: Metalachlor, Chlorpyrifos - Australian Pesticides Map

Gladstone Ports Corporation Report for Western Basin Dredging and Disposal Project

Water Quality Report October 2009

Chlorpyrifos, an organophosphorus pesticide, and metolachlor, an herbicide, exceeded the limit of reporting on six out of thirty-six recordings.

Metalachlor Water Quality Monitoring Results

24/6/09: Station WQ01 0.013ug/L

23/6/09: Station WQ02 0.009ug/L

24/6/09: Station WQ06 0.099ug/L

24/6/09: Station WQ07 0.03ug/L

23/6/09: Station WQ08 0.273ug/L

24/6/09: Station WQ09 0.027ug/L

23/6/09: Station WQ12 0.075ug/L

Chlorpyrifos Water Quality Monitoring Results

21/05/2009: Station WQ01 0.012ug/L

24/06/2009: Station WQ01 0.024ug/L

21/05/2009 Station WQ04 0.008ug/L

21/05/2009 Station WQ05 0.012ug/L

21/05/2009 Station WQ08 0.016ug/L

21/05/2009 Station WQ10 0.02ug/L