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The USDA Pesticide Data Program (PDP) database provides national data on pesticide residues in food and water, with an emphasis on foods consumed by infants and children. PDP data are used...
Search relevance: 177.32 | Views last month: 3 | Catalog Last Checked: October 09, 2026 at 04:39 PM -
The National Water Quality Network (NWQN) for Rivers and Streams includes 113 surface-water river and stream sites monitored by the U.S. Geological Survey (USGS) National Water Quality Program...
Search relevance: 52.20 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 08:55 PM -
Analytical recovery is the concentration of an analyte measured in a water-quality sample expressed as a percentage of the known concentration added to the sample (Mueller and others, 2015)....
Search relevance: 49.77 | Views last month: 5 | Catalog Last Checked: September 10, 2026 at 09:54 PM -
The National Water Quality Network (NWQN) for Rivers and Streams includes 113 surface-water river and stream sites monitored by the U.S. Geological Survey (USGS) National Water Quality Program...
Search relevance: 49.13 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 09:15 PM -
The National Water Quality Network (NWQN) for Rivers and Streams includes 113 surface-water river and stream sites monitored by the U.S. Geological Survey (USGS) National Water Quality Program,...
Search relevance: 43.44 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 10:45 PM -
The U.S. Geological Survey collected groundwater samples from 95 domestic wells in Tulare and Kings Counties, California in 2014-2015. The wells were sampled for the Tulare Shallow Aquifer Study...
Search relevance: 34.35 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:57 PM -
The U.S. Geological Survey collected groundwater samples from 50 wells used for domestic and small system drinking water supplies in Shasta and Tehama Counties, California in 2018-2019. The wells...
Search relevance: 27.06 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:51 PM -
The U.S. Geological Survey collected groundwater samples from 50 wells used for domestic and small system drinking water supplies in Shasta and Tehama Counties, California in 2018-2019. The wells...
Search relevance: 27.06 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 10:45 PM -
Groundwater samples were collected and analyzed from 1,015 wells as part of the National Water-Quality Assessment Project of the U.S. Geological Survey National Water-Quality Program and the...
Search relevance: 19.49 | Views last month: 12 | Catalog Last Checked: September 10, 2026 at 08:58 PM
