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Federal
NIST Computational Chemistry Comparison and Benchmark Database - SRD 101
National Institute of Standards and Technology —
The NIST Computational Chemistry Comparison and Benchmark Database is a collection of experimental and ab initio thermochemical properties for a selected set of gas-... -
Federal
NIST Reference Fluid Thermodynamic and Transport Properties Database (REFPROP) Version 9 - SRD 23
National Institute of Standards and Technology —
**NOTICE: THIS VERSION OF REFPROP (9.1) has been superseded by Version 10: https://doi.org/10.18434/T4/1502528 ** NIST Standard Reference Data 23 contains revised... -
Federal
NIST/ASME Steam Properties Database - SRD 10
Department of Commerce —
The NIST/ASME Steam Properties Database is based upon the International Association for the Properties of Water and Steam (IAPWS) 1995 formulation for general and... -
Federal
NIST/ASME Steam Properties Database - SRD 10
National Institute of Standards and Technology —
The NIST/ASME Steam Properties Database is based upon the International Association for the Properties of Water and Steam (IAPWS) 1995 formulation for general and... -
Federal
ChemIDplus
U.S. Department of Health & Human Services —
ChemIDplus, the Chemical Identification Plus Database, is no longer updated. These are the final files from February 22, 2023. All ChemIDplus data have been... -
Federal
NIST Thermophysical Properties of Hydrocarbon Mixtures Database- SRD 4
National Institute of Standards and Technology —
SUPERTRAPP is an interactive computer program for predicting thermodynamic and transport properties of pure fluids and fluid mixtures containing up to 20 components.... -
Federal
CIMEK water chemistry
U.S. Environmental Protection Agency —
Water chemistry data from 60 sites in a partially mined eastern Kentucky watershed. Sites are spatially located from headwater tributaries to mouth for analysis of... -
Federal
NIST Computational Chemistry Comparison and Benchmark Database - SRD 101
Department of Commerce —
The NIST Computational Chemistry Comparison and Benchmark Database is a collection of experimental and ab initio thermochemical properties for a selected set of gas-... -
Federal
NCCN Water Quality Monitoring Data Package, 2011-2021
Department of the Interior —
This data package contains North Coast and Cascades Network (NCCN) Inventory and Monitoring Program discrete water quality monitoring tabular data collected during... -
Federal
E01 Optics
National Oceanic and Atmospheric Administration, Department of Commerce —
Ocean observation data from the Northeastern Regional Association of Coastal & Ocean Observing Systems (NERACOOS). The NERACOOS region includes the northeast... -
Federal
Substance 866115: MLS000084336
U.S. Department of Health & Human Services —
Chemical substance data from PubChem database. This dataset contains comprehensive chemical information including structural data, physical properties, and biological... -
Federal
Saildrone Atlantic 2022 Hurricane Monitoring, drone 1032
National Oceanic and Atmospheric Administration, Department of Commerce —
Using Uncrewed Surface Vehicles (USV) to observe air-sea interaction associated with Tropical Cyclones (TC), which is critical to TC intensification. This mission... -
Federal
Substance 864567: MLS000083815
U.S. Department of Health & Human Services —
Chemical substance data from PubChem database. This dataset contains comprehensive chemical information including structural data, physical properties, and biological... -
Federal
Data for ioos-station-USF-COMPS-EGK
National Oceanic and Atmospheric Administration, Department of Commerce —
Data for ioos-station-University of South Florida (USF)-COMPS-EGK for the period 2008/01. 2008/01 time series data for ioos-station-USF-COMPS-EGK platform served via... -
Federal
CRACMM Github Repo Update 2025 (October 2025)
U.S. Environmental Protection Agency —
This dataset contains a link to the public EPA CRACMM github repository and an update (zip file) that will be put into the repo. -
State
Drinking Water - Laboratory Water Quality Results
State of California —
The Division of Drinking Water requires laboratories to submit water quality data directly. The data is received, and published twice monthly on the Division's water... -
Federal
C-HARM v2 Nowcast, Pseudo-nitzschia, cellular domoic acid, and particular domoic acid probability, California and Southern Oregon coast, 2022-present, Lon+/-180
National Oceanic and Atmospheric Administration, Department of Commerce —
The C-HARM model generates nowcast and forecasts of the probability of Pseudo-nitzschia concentrations of in excess of 10,000 cells/L, the probability of particulate... -
Federal
Saildrone Atlantic 2022 Hurricane Monitoring, drone 1059
National Oceanic and Atmospheric Administration, Department of Commerce —
Using Uncrewed Surface Vehicles (USV) to observe air-sea interaction associated with Tropical Cyclones (TC), which is critical to TC intensification. This mission... -
Federal
Substance 866126: MLS000042701
U.S. Department of Health & Human Services —
Chemical substance data from PubChem database. This dataset contains comprehensive chemical information including structural data, physical properties, and biological...