2006 October – August 2007: Bennett Brook, Caversham (WA). PFAS Pesticide

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

Bennett Brook, Caversham WA

The estimated concentration in water (ng/L) of insecticides predicted from the accumulation in PDMS strips deployed during September- October 2006.

Phosphate tri-n-butyl: 4ng/L (Replicate A), 4ng/L (Replicate B)

Diazinon: <6ng/L (Replicate A), <6ng/L (Replicate B)

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

Chlorpyrifos: 2ng/L ( Replicate A), 2ng/L ( Replicate B)

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

Metolachlor: <7ng/L (Replicate A), <7ng/L (Replicate B)

Heptachlor Epoxide: <1ng/L (Replicate A), <1ng/L (Replicate B)

Chordane trans: <1ng/L (Replicate A), <1ng/L (Replicate B)

Oxadiazon: 0.9ng/L (Replicate A), 1ng/L (Replicate B)

Dieldrin: 1.4ng/L (Replicate A), 1.3ng/L (Replicate B)

Piperonyl Butoxide: 1ng/L (Replicate A), 1ng/L (Replicate B)

Propiconazole: 11ng/L (Replicate A), 13ng/L (Replicate B)

Mean ND 6%

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

Phosphate Tri-n-Butyl: 3ng/L (Replicate A), 3ng/L (Replicate B)

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

Diazinon: <6ng/L (Replicate A), <6ng/L (Replicate B)

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

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

Chlorpyrifos: 3ng/L (Replicate A), 3ng/L (Replicate B)

Metolachlor: <8ng/L (Replicate A), <8ng/L (Replicate B)

Hepatchor Epoxide: <1ng/L (Replicate A), <1ng/L (Replicate B)

Pendimethalin: <1ng/L (Replicate A), <1ng/L (Replicate B)

Chlordane Trans: <1ng/L (Replicate A), <1ng/L (Replicate B)

Methidathion: <30ng/L (Replicate A), <30ng/L (Replicate B)

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

Dieldrin: 2ng/L (Replicate A), 1ng/L (Replicate B)

Piperonyl Butoxide: 4ng/L (Replicate A), 4ng/L (Replicate B)

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

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

Bifenthrin: <1ng/L (Replicate A), <1ng/L (Replicate B)

Mean ND 7