HERBICIDE SPILL ALONG RED HILL ROAD, TRARALGON SOUTH – 26 May 1998 – STRZELECKI RANGES.
A spill of Simazine herbicide occurred for about a kilometre along Red Hill Road, finishing near Middle Road. A company crew had been using the material the previous day and had mixed more than they were able to use. When they went to use it they found that the clay particles has settled and had set solidly. They could not clear it so they took the tank back to their workshops to get cleared. It appears that a valve had been left open which had become unblocked on the way down from Balook Road and had leaked.
From the EPA Complaint Report:
https://hancockwatch.nfshost.com/docs/herbicidesUpdate0602.htm