Search Data.gov
Found 2933 dataset(s) matching "Quality control".
-
This data release contains analytical results from 52 groundwater samples and six quality assurance and quality control samples collected from the Delaware, Genesee, and St. Lawrence River basins....
-
This data release contains analytical results from 52 groundwater samples and six quality assurance and quality control samples collected from western New York and the Mohawk River basin. Samples...
-
This data release contains analytical results from 52 groundwater samples and six quality assurance and quality control samples collected from central New York and the Upper Hudson River Basin....
-
The sampling of 41 hydrologically diverse rivers that are monitored through the National Water Quality Network (NWQN) by the U.S. Geological Survey (USGS) took place during the water years of 2008...
-
Chemical and biological results, quality assurance and quality control, and method information from groundwater, surface water, and litter samples, collected from nine locations in Iowa and one in...
-
A dye trace experiment was conducted between March 2023 and September 2024 to understand the connection between treated wastewater effluent discharged to Bright Angel Wash and 13 springs and...
-
This dataset contains absolute-gravity data collected by the USGS Southwest Gravity Program, a collaborative effort of the Arizona, California, and New Mexico Water Science Centers to monitor and...
-
The sampling of the riverine-to-marine transect (Penobscot River, Penobscot Bay, and the Gulf of Maine) took place in 2008. Water samples were collected and filtered in the field using 0.45...
-
<p>Over the past five decades, the United States Department of Agriculture-Agricultural Research Service (USDA-ARS) and the United States Geological Survey (USGS) have collected stream flow,...
-
Chemical and biological concentration results, quality assurance and quality control and statistical summaries from 26 tapwater samples, collected from paired residential and work place sites in...
-
This data set provides industrial-scale onshore wind turbine locations, corresponding facility information, and turbine technical specifications, in the United States to March 2014. The database...
-
This dataset includes a subset of previously released pesticide data (Morace and others, 2020) from the U.S. Geological Survey (USGS) National Water Quality Assessment Program (NAWQA) Regional...
-
**Overview** This set provides estimation of the turbulent fluxes obtained with EddyPro v6.2.0 software (15-min averaging). **Data Details** Each meteorological station had one sonic...
-
The sampling of three hydrologically diverse Minnesota Lakes (Williams Lake, Shingobee Lake, and Lake Manganika) took place during the years of 2012 to 2013. Water samples were collected and...
-
This preliminary product contains annual land cover, land use, and change process variables for reference data plots in a .csv table. The same information available in the.csv file is also...
-
<p>This dataset accompanies a manuscript submission to <em>Water Resources Research</em>. The data herein consists of all of the hourly meteorological forcing variables needed to execute the...
-
From 2018 to 2024 surface waters (fresh and brackish), groundwater, and stormwater (runoff, re-use) samples were collected from sites with varying landuse (agricultural, forested, and urban) and...
-
EPA Method 1615 measures enteroviruses and noroviruses present in environmental and drinking waters. The viral ribonucleic acid (RNA) from water sample concentrates is extracted and tested for...
