1990: Darwin Naval Base (Larrakeyah). Pesticides detected in Sediment: Dieldrin, DDE, DDT, Methoxychlor

Past studies measuring pesticide contamination of water and
sediment in the Darwin region
Dredging Proposal for Darwin Naval Base (Larrakeyah) 1990.Australian Construction Services
(unpublished)
Sediment samples were collected at the Darwin Patrol Boat Base prior to dredging. Samples were taken at five different sites.1 sample was taken at each site.
Harbour
https://www.lrm.nt.gov.au/__data/assets/pdf_file/0017/13850/pesticide-study-appendices.pdf