January 2001: Swan Lake canal estate, Gold Coast – pest control company driver

washing spillage into a stormwater drain. Chlorpyrifos (Dursban) subsequently

identified at 100 times the lethal dose for fish in the canal water. Over 1000 fish killed.

https://www.hpw.qld.gov.au/SiteCollectionDocuments/ReviewOfTermitisidesInAustralia.pdf