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 2 Rainbow Springs

DEET: 8.7ng/L

Tonalid: 0.02ng/L (musk fragrance)

Diuron: 0.06ng/L

Tebuthiuron 0.02ng/L

Carbamazepine: 0.01ng/L (anti-convulsant drug)