Schult, J. 2016. Pesticide and nutrient monitoring in the Roper River region during the 2015 dry season. Northern Territory Department of Environment and Natural Resources, Report No. 20/2016D. Palmerston. (passive samplers)

Site 5 Roper River

DEET: 20ng/L

Tonalid: 0.02ng/L (musk fragrance)

TDCPP Isomers: 3ng/L (flame retardant used in plastic foams)

Tebuthiuron 0.12ng/L