• Organization: U.S. Environmental Protection Agency
• Updated: 2023-07-11

This is the data underlying the figures in Glassmeyer et al published in GeoHealth. Figures 2, 3, and 5 are the counts of papers from a given chemical class. Figure 4 is concentration data...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2022-07-01

Our results show that ADEs through the photolysis pathway inhibit sulfate formation during winter in the JJJ region and promote sulfate formation in July. The differences are attributed to the...

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• Organization: National Institute of Standards and Technology
• Updated: 2015-07-21 00:00:00

This Standard Reference Material (SRM) is a primary gas mixture for which the amount-of-substance fraction, expressed as concentration, may be related to secondary working standards. This SRM is...

• Organization: U.S. Environmental Protection Agency
• Updated: 2024-08-01

the data include results of PFAS concentration in primary and secondary landfill leachate. Each figure in the manuscript has a specific sheet associated with it. This dataset is associated with...

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• Organization: Department of the Interior
• Updated: 2020-08-27T00:00:00Z

The primary data set consists of continuous water-quality data (temperature, specific conductance, pH, dissolved oxygen, turbidity, nitrate plus nitrite, and streamflow) from in-situ equipment,...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2016-09-14

This dataset includes the recoveries of spiked adenovirus through various stages of experimental optimization procedures. This dataset is associated with the following publication: McMinn , B.,...

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• Organization: National Institute of Standards and Technology
• Updated: 2015-07-17 00:00:00

Standard Reference Material-1721: Southern Oceanic Air. Ambient Nominal Amount of Substance Fraction for Carbon Dioxide, Methane & Nitrous Oxide. This Standard Reference Material (SRM) is a...

• Organization: U.S. Environmental Protection Agency
• Updated: 2021-04-21

output files from CMAQ runs. Citation information for this dataset can be found in the EDG's Metadata Reference Information section and Data.gov's References section.

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• Organization: U.S. Environmental Protection Agency
• Updated: 2022-08-10

The data are ground penetrating radar, electrical resistivity, and interpretation data. This dataset is not publicly accessible because: Secondary data, not EPA data. It can be accessed through...

• Organization: Department of the Interior
• Updated: 2020-08-14T00:00:00Z

This dataset contains tabular data for U.S. Environmental Protection Agency’s (EPA) Clean Watersheds Needs Survey (CWNS) wastewater treatment facility information. Literature-based average total...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2022-05-31

This dataset was generated from mined, secondary data collected during the Deepwater Horizon oil spill subsea dispersed oil monitoring. Teh secondary is publicly available from: BP Gulf Science...

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• Organization: Department of the Interior
• Updated: 2021-10-18T00:00:00Z

Data used to model and map manganese concentrations in groundwater in the Northern Atlantic Coastal Plain (NACP) aquifer system, eastern USA, are documented in this data release. The model...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-05-19T00:00:00.000+00:00

This dataset contains time-series profiled measurements from a LISST-200X sensor (Sequoia Scientific, Inc.) collected during an ocean alkalinity enhancement (OAE) field trial conducted by...

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• Organization: Department of Agriculture
• Updated: 2026-01-26

This dataset contains all raw data and R statistical code needed to reproduce the model fitting, model predictions, and data/model visualizations from the article:Lofton, L.W., Read, Q.D.,...

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• Organization: Department of Agriculture
• Updated: 2025-11-21

Switchgrass (Panicum virgatum L.) is a warm-season grass native to the tallgrass prairie in North America with various ecosystem benefits and enhance the resiliency of ecosystems. These resilient...

• xls

• Organization: U.S. Environmental Protection Agency
• Updated: 2017-07-26

Volume concentrations of secondary organic aerosol (SOA) are measured in 139 steady-state, single precursor hydrocarbon oxidation experiments after passing through a temperature controlled inlet....

• xml

• Organization: Department of Agriculture
• Updated: 2025-05-27

Groundwater samples were collected in an observational study design by dead-end ultrafiltration from private wells on 40 Iowa swine farms and analyzed by quantitative polymerase chain reaction...

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• csv

• Organization: Department of the Interior
• Updated: 2020-08-27T00:00:00Z

The primary data set consists of continuous water-quality data (temperature, specific conductance, pH, dissolved oxygen, turbidity, nitrate plus nitrite, and streamflow) from in-situ equipment,...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2024-11-26T00:00:00Z

For more than a half million years, dense vein calcite has been precipitating in Devils Hole, located about 115 km northwest of Las Vegas, Nevada. This process also occurs in Devils Hole Cave 2,...

• xml
• xml

• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2021-05-27T00:00:00.000+00:00

This dataset contains a compilation of inorganic carbon system and other hydrographic and chemical discrete profile measurements obtained during the fifty five Line P cruises in the Northeast...

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