2007: Bayswater Main Drain (WA). PFAS pesticides.

PFAS pesticides in bold

A baseline study of organic contaminants in the Swan and Canning catchment drainage system using passive sampling devices. Government of Western Australia Department of Water. December 2009

Bayswater Main Drain, Bayswater WA

The estimated concentration in water (ng/L) of insecticides predicted from PDMS passive samplers deployed during April – May 2007 in subcatchments near Perth.

Phosphate Tri-n-Butyl: 9ng/L (Replicate A), 8ng/L (Replicate B)

Trifluralin: <0.5ng/L (Replicate A), <0.5ng/L (Replicate B)

Diazinon: 24ng/L (Replicate A), 25ng/L (Replicate B)

Propazine: 25ng/L (Replicate A), 18ng/L (Replicate B)

Terbutryn: <3ng/L (Replicate A), <3ng/L (Replicate B)

Chlorpyrifos: 4ng/L (Replicate A), 4ng/L (Replicate B)

Metolachlor: 81ng/L (Replicate A), 59ng/L (Replicate B)

Hepatchor Epoxide: 2ng/L (Replicate A), 2ng/L (Replicate B)

Chlordane Trans: 0.6ng/L (Replicate A), 0.6ng/L (Replicate B)

Oxadiazon: <0.5ng/L (Replicate A), <0.5ng/L (Replicate B)

Dieldrin: 12ng/L (Replicate A), 12ng/L (Replicate B)

Piperonyl Butoxide: 3ng/L (Replicate A), 3ng/L (Replicate B)

Benalaxyl: 5ng/L (Replicate A), 6ng/L (Replicate B)

Propiconazole: 15ng/L (Replicate A), 21ng/L (Replicate B)

Bifenthrin: 0.9ng/L (Replicate A), 0.9ng/L (Replicate B)

Rotenone: <2ng/L (Replicate A), <2ng/L (Replicate B)

Mean ND 14%