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USGS Scientist Collecting Sediment from the Bottom of the Salton Sea

2007 (approx.)

Detailed Description

USGS scientist collecting sediment from the bottom of the Salton Sea, Calif. The sediment sample was analyzed for the presence of pesticides, such as pyrethroid insecticides. The analytical method used was developed by USGS scientists as part of the USGS Toxic Substances Hydrology Program's investigation on the fate of pesticides in the environment.


Public Domain.