Skip to main content
Advanced Search

Filters: Tags: diamide (X)

1 result (76ms)   

View Results as: JSON ATOM CSV
thumbnail
Dissolved pesticides were measured in weekly water samples from 85 wadeable streams in Central Coastal California over a variable six-week period during March–May, 2017, as part of the California Stream Quality Assessment (CSQA) study conducted by the U.S. Geological Survey's (USGS) Regional Stream-Quality Assessment (RSQA) Project. The 85 streams consisted of 40 urban sites (5–100% urban land in the lower basin), 9 agricultural sites, 24 mixed land-use sites, and 12 undeveloped sites. Water samples were filtered (0.7 micrometers) and analyzed for 253 pesticide compounds by direct-injection liquid chromatography with tandem mass-spectrometry (LC-MS/MS). Two similar LC-MS/MS methods were used: a broad-spectrum (223...


    map background search result map search result map Dissolved Pesticides in Weekly Water Samples from the NAWQA California Stream Quality Assessment (2017) Dissolved Pesticides in Weekly Water Samples from the NAWQA California Stream Quality Assessment (2017)