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Mercury concentrations in surface water, sediment, and biota in the...
Under the Great Lakes Restoration Initiative, the U.S. Geological Survey Mercury Research Lab (USGS MRL) conducted a multiyear assessment of mercury across the Laurentian Great... -
Dissolved organic carbon concentration and dissolved organic matter...
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... -
Geochemistry Data for Wastewater Samples Collected at a Separator Tank and...
This U.S. Geological Survey (USGS) Data Release is focused on the geochemistry of wastewater (including flowback and produced water) samples, co-produced with natural gas,... -
Mercury concentrations in surface water, sediment, and biota in the...
Under the Great Lakes Restoration Initiative, the U.S. Geological Survey Mercury Research Lab (USGS MRL) conducted a multiyear assessment of mercury across the Laurentian Great... -
Liquid Chromatography Triple Quadrupole Mass Spectrometry (LC/MS/MS)...
Cyanobacteria known to produce cyanotoxins have been reported worldwide. As monitoring efforts have improved, they have been detected in not only freshwater, but also in estuary... -
Arsenic Speciation method performance data, species hold times data and...
This dataset includes data collected to validate a method of analysis for arsenic species As(III), As(V), dimethylarsinate (DMA), and monomethylarsonate (MMA) in surface water... -
Data on the Effects of Oil and Gas Wastewater Components on Microbial...
Oil and gas (OG) wastewaters are commonly disposed of by underground injection and previous research showed that activities at a disposal facility in West Virginia affected... -
Concentrations of pesticides in silicone bands as passive samplers and...
To better understand the potential pesticide exposure, samples were collected from locations along two creeks in Pinnacles National Park and four creeks in nearby Bureau of Land... -
Data on the Effects of Oil and Gas Wastewater Components on Microbial...
Oil and gas (OG) wastewaters are commonly disposed of by underground injection and previous research showed that activities at a disposal facility in West Virginia affected... -
Data on the Effects of Oil and Gas Wastewater Components on Microbial...
Oil and gas (OG) wastewaters are commonly disposed of by underground injection and previous research showed that activities at a disposal facility in West Virginia affected... -
Growth of cultured Picocystis strain ML in the presence of arsenic, and...
Mono Lake is a hypersaline soda lake rich in dissolved inorganic arsenic with its primary production currently dominated by <i>Picocystis</i> str. ML. We set out to... -
Tutorials in Analytical Chemistry
The data consists of video files and associated abstracts for training and education in chemical metrology. The videos are focused on laboratory operations for quantitative... -
Analysis of Polyphenols in Water Primrose (Ludwigia hexapetala) Plants from...
Water primrose (Ludwigia hexapetala) is an invasive aquatic vegetation that has rapidly increased in coverage throughout the Sacramento-San Joaquin Delta. Water primrose has... -
2015 National Coastal Conditions Assessment: Algal Toxins and Cyanotoxins in...
The EPA National Coastal Condition Assessment (NCCA) is a nation-wide survey of coastal and estuarine water quality. During the 2015 EPA NCCA, samples were collected for... -
Pesticide Concentrations in American Bullfrog (Lithobates catesbeianus)...
To evaluate the potential uptake and accumulation of pesticides in amphibians, American bullfrog (Lithobates catesbeianus) tadpoles were collected from surface water sites (four...