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Federal
Rumsey and Walker_AMT_2016_Table 1
U.S. Environmental Protection Agency —
Table summarizes instrument analytical detection limits, including liquid and equivalent air concentrations. This dataset is associated with the following... -
Federal
WSON_Coweeta_Chen et al_2017
U.S. Environmental Protection Agency —
Datasets describing bulk and speciated water soluble organic nitrogen and carbon species in 24 hour high volume PM samples. This dataset is associated with the... -
Federal
SRM 2691 Coal Fly Ash
National Institute of Standards and Technology —
Standard Reference Material 2691 Coal Fly Ash - This Standard Reference Material (SRM) is intended for use in the evaluation of analytical methods used for the... -
Federal
Rumsey and Walker_AMT_2016_Figure 1.xlsx
U.S. Environmental Protection Agency —
Figure summarizes diurnal profiles of uncertainty in the chemical gradient and transfer velocity measurements from which fluxes are calculated. This dataset is... -
State
MD iMAP: Maryland Soils - Chesapeake Bay Silt
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This is a data table - in comma-delimited - ASCII format - which contains... -
Federal
SRM 2683c Bituminous Coal (Nominal Mass Fraction 2 % Sulfur)
National Institute of Standards and Technology —
SRM 2683c Bituminous Coal (Nominal Mass Fraction 2 % Sulfur) - This Standard Reference Material (SRM) is intended primarily for use in the evaluation of techniques... -
Federal
Model evaluation of dry deposition of oxygenated volatile organic compounds
U.S. Environmental Protection Agency —
This dataset includes a data dictionary, tables of physicochemical characteristics of the oxygenated volatile organic compounds evaluated with the updated dry... -
Federal
Mercury speciation and other constituent data for surface water and bed sediment associated with the Hamilton Airfield Wetland Restoration, Novato, California. USA (ver. 6.0, April 2025)
Department of the Interior —
The Hamilton Wetland Restoration Project (HWRP) is a joint venture between the US Army Corps of Engineers (USACE; San Francisco District) and the California State... -
State
MD iMAP: Maryland Soils - Chesapeake Bay Sandy Clay
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This is a data table - in comma-delimited - ASCII format - which contains... -
State
MD iMAP: Maryland Soils - Chesapeake Bay Bottom Survey
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Polygon dataset characterizing bottom type designations determined by Md... -
Federal
Geochemical Characteristics of the Conterminous United States: % Sulfur
Department of the Interior —
This raster depicts the percentage of lithological sulfur (S) content in surface or near surface geology. We derived these rasters by calculating the average percent... -
Federal
Abandoned Mine Land (AML) Geochemical Data: Browns Park District, Daggett County, Utah
Department of the Interior —
From October 2017 to June 2018, the United States Geological Survey (USGS) collected 101 surficial sediment samples from abandoned mine wastepiles, ephemeral channels... -
Federal
The major, minor, and trace element geochemistry of mineral scales from The Geysers geothermal field, California, USA
Department of the Interior —
This data release provides quantitative whole rock geochemical results from The Geysers vapor-dominated geothermal field in California. The concentrations of major... -
Federal
Multi-element geochemical analyses of selected samples from the Mesoproterozoic Nonesuch Formation and Copper Harbor Conglomerate at the Copperwood copper deposit, Western Syncline, Michigan, USA
Department of the Interior —
This data release provides multi-element data for drill core samples from the Mesoproterozoic Nonesuch Formation and Copper Harbor Conglomerate at the Copperwood... -
Federal
Multi-element geochemical analyses of selected samples from the Mesoproterozoic Nonesuch Formation and Copper Harbor Conglomerate at the Copperwood copper deposit, Michigan, USA
Department of the Interior —
This data release provides multi-element data for drill core samples from the Mesoproterozoic Nonesuch Formation and Copper Harbor Conglomerate at the Copperwood... -
Federal
SRM 1632e Trace Elements in Coal (Bituminous)
National Institute of Standards and Technology —
SRM 1632e Trace Elements in Coal (Bituminous) - This Standard Reference Material (SRM) is intended primarily for use in the evaluation of techniques used in the... -
Federal
Rumsey and Walker_AMT_2016_Figure 2.xlsx
U.S. Environmental Protection Agency —
Figure summarizes uncertainty (error) in hourly gradient flux measurements by individual analyte. Flux uncertainty is derived from estimates of uncertainty in... -
Federal
SRM 2684c Bituminous Coal (Nominal Mass Fraction 3 % Sulfur)
National Institute of Standards and Technology —
Standard Reference Material 2684c Bituminous Coal (Nominal Mass Fraction 3 % Sulfur) - This Standard Reference Material (SRM) is intended primarily for use in the... -
Federal
Alaska Geochemical Database Version 3.0 (AGDB3) including best value data compilations for rock, sediment, soil, mineral, and concentrate sample media
Department of the Interior —
The Alaska Geochemical Database Version 3.0 (AGDB3) contains new geochemical data compilations in which each geologic material sample has one best value determination... -
Federal
Point Shapefiles of Locations and Results of Ocean Bottom Ferromanganese Crusts Chemical Analyses Published in Appendix C of USGS Open-File Report 89-020
Department of the Interior —
The chemical compositions and natural distribution of ferromanganese crusts have been a topic of interest to scientific research, as well as to industrial and...