• Organization: National Institute of Standards and Technology
• Updated: 2015-11-25 00:00:00

Sulfonephthalein pH indicator dyes have historically been noted for impurities originating from the synthesis process which lead to batch to batch differences in pH measurements. Uncertainties up...

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• Organization: National Institute of Standards and Technology
• Updated: 2023-07-13 00:00:00

M-cresol purple is the most widely used pH indicator dye for seawater pH measurements. Impurities in the indicator are known to absorb strongly at one of the wavelengths used in spectrophotometric...

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• Organization: U.S. Department of Health & Human Services
• Updated: 2025-09-06

Background Lysosomes are acidic organelles that play multiple roles in various cellular oxidative activities such as the oxidative burst during cytotoxic killing. It remains to be...

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• Organization: Department of Agriculture
• Updated: 2026-01-16

This dataset contains soil health indicator data across 9-yr (2012-2020) from an experiment evaluating conventional corn-soybean, organic corn-soybean-oat/alfalfa-alfalfa, and an organic perennial...

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• Organization: Department of the Interior
• Updated: 2024-09-30T00:00:00Z

Soil, soil porewater, groundwater, and playa lake sediment samples were collected between September 2021 and November 2023 at Cannon Air Force Base (CAFB) in eastern New Mexico as part of a study...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2017-12-06

Biochar is being evaluated as an amendment to improve soil characteristics to increase crop yields, revitalize degraded soils and facilitate the establishment of plant cover. Unfortunately, there...

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• Organization: Department of the Interior
• Updated: 2025-01-24T00:00:00Z

Data were collected as part of a study to identify sources of E. coli contamination at several beaches located in the Grand Calumet River Areas of Concern, located in northern Indiana on Lake...

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• Organization: Department of the Interior
• Updated: 2019-01-29T00:00:00Z

Procedures are from the NRSA Field Operations Manual 1. In situ Measure in situ DO, pH, water temperature, and conductivity using a calibrated multi-parameter water quality meter (or sonde). Take...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2014-04-09T00:00:00.000+00:00

A network of citizen science volunteers periodically monitored water quality at several beaches across the island of Maui in the State of Hawaii during the years 2010-2016. This community-based...

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

These data were collected as part of the Great Lakes Restoration Initiative (GLRI) project template 678-1 entitled "Evaluate immediate and long-term BMP effectiveness of GLRI restoration efforts...

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

These data were collected as part of the Great Lakes Restoration Initiative (GLRI) project template 678-1 entitled "Evaluate immediate and long-term BMP effectiveness of GLRI restoration efforts...

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

These data were collected as part of the Great Lakes Restoration Initiative (GLRI) project template 678-1 entitled "Evaluate immediate and long-term BMP effectiveness of GLRI restoration efforts...

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

These data were collected as part of the Great Lakes Restoration Initiative (GLRI) project template 678-1 entitled "Evaluate immediate and long-term BMP effectiveness of GLRI restoration efforts...

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

These data were collected as part of the Great Lakes Restoration Initiative (GLRI) project template 678-1 entitled "Evaluate immediate and long-term BMP effectiveness of GLRI restoration efforts...

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• xml

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

These data were collected as part of the Great Lakes Restoration Initiative (GLRI) project template 678-1 entitled "Evaluate immediate and long-term BMP effectiveness of GLRI restoration efforts...

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• Organization: Department of the Interior
• Updated: 2020-08-17T00:00:00Z

The health of soils along roadways is critical for maximizing habitat quality and minimizing negative ecological effects of roads. Adjacent to unpaved roads, soil chemistry may be altered by the...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-07-01T00:00:00.000+00:00

This record provides physical, chemical, and pathogenic bacteria water quality metrics collected between February 2023 to January 2025 to provide reference data of nearshore and watershed water...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-01-01T00:00:00.000+00:00

This record provides physical and chemical water quality metrics collected between February 2023 to January 2025 to provide reference data of nearshore and watershed water quality on the island of...

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• Organization: Department of the Interior
• Updated: 2024-10-24T00:00:00Z

This dataset consists of sensor profile and water sample results from monitoring campaign to investigate the effects of two dredged pits in eastern Lake Pontchartrain on dissolved oxygen...

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• Organization: Department of the Interior
• Updated: 2020-08-20T00:00:00Z

This U.S. Geological Survey (USGS) Data Release provides discrete water-quality data collected from four sites on the Kansas River and four of its tributaries during July 2012 through September...

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