2005 March – 2007 October: Hexazinone Pollution Bostok Reservoir

Hexazinone also appeared at the outlet to Bostok Reservoir between March and August 2007, possibly as a result of the pollution of Korweinguboora plantation by Hancock Victorian Plantations.

7/3/05 Barwon Water Bostok Outlet Hexazinone 0.58ug/L (0.145%adwgh)

7/3/05 Barwon Water Bostok Outlet Hexazinone 0.56ug/L (0.14%adwgh)

7/3/05 Barwon Water Bostok Outlet Hexazinone 0.44ug/L (0.11%adwgh)

15/8/07 Barwon Water Bostok Outlet Hexazinone 0.029ug/L (0.00725%adwgh)

17/10/07 Barwon Water Bostok Outlet Hexazinone 0.036 ug/L (0.012%adwgh)

https://hancockwatch.nfshost.com/docs/BarwonWater.htm