-
Attributes for NHDPlus Version 2.1 Catchments and Modified Routing of Upstrea...
This tabular data set represents select geochemical characteristics based on Olson geology types in surface or near surface geology (Olson, 2014) compiled for two spatial... -
SRM 2685c Bituminous Coal (Nominal Mass Fraction 5 % Sulfur)
This Standard Reference Material (SRM) is intended primarily for use in the evaluation of techniques used in the analysis of coals and materials of a similar matrix. A unit of... -
Table of electron probe microanalyses of native copper and sulfide minerals f...
This data release provides electron microprobe geochemical data that was collected as part of a scoping study to evaluate whether unconventional critical element resources may... -
Mercury speciation and other constituent data for surface water and bed sedim...
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 Coastal... -
Clean Air Markets Division Data and Maps
Allowance Holdings, Emissions, and Acid Deposition Data collected by EPA/OAR/OAP/Clean Air Markets Division -
SRM 2683c Bituminous Coal (Nominal Mass Fraction 2 % Sulfur)
SRM 2683c Bituminous Coal (Nominal Mass Fraction 2 % Sulfur) - This Standard Reference Material (SRM) is intended primarily for use in the evaluation of techniques employed in... -
SRM 2691 Coal Fly Ash
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 classification of... -
Clean Air Markets - Compliance Query Wizard
The Compliance Query Wizard is part of a suite of Clean Air Markets-related tools that are accessible at http://ampd.epa.gov/ampd/. The Compliance module provides final... -
Table of electron probe microanalyses of native copper and sulfide minerals f...
This data release provides electron microprobe geochemical data that was collected as part of a scoping study to evaluate whether unconventional critical element resources may... -
Major-oxide and trace-element geochemical data from rocks collected in 2015 i...
Late Triassic mafic to ultramafic intrusions in the Wrangellia terrane are host to magmatic sulfide nickel-copper-cobalt and platinum-group element (PGE) mineralization. DGGS's... -
Analytical inorganic chemistry results for samples collected for the Sediment...
Coastal communities are uniquely vulnerable to sea-level rise (SLR) and severe storms such as hurricanes. These events enhance the dispersion and concentration of natural and... -
MD iMAP: Maryland Soils - Coastal Zone Bottom Classes
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Bottom classification polygons represent the general type of sediment on the seafloor.... -
SRM 2718a Green Petroleum Coke
Standard Reference Material 2718a Green Petroleum Coke - This Standard Reference Material (SRM) is intended primarily for use in the calibration of apparatus and the evaluation... -
SRM 1632e Trace Elements in Coal (Bituminous)
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 analysis of... -
Global Geochemical Database for Critical Minerals in Archived Mine Samples
The Critical Minerals in Archived Mine Samples Database (CMDB) contains chemistry and geologic information for historic ore and ore-related rock samples from mineral deposits in... -
MD iMAP: Maryland Soils - Chesapeake Bay Sandy Silt
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 information... -
Alaska Geochemical Database Version 3.0 (AGDB3) including best value data com...
The Alaska Geochemical Database Version 3.0 (AGDB3) contains new geochemical data compilations in which each geologic material sample has one best value determination for each... -
NIST Atomic Spectral Line Broadening Bibliographic Database
This interactive database, maintained by the NIST Atomic Spectroscopy Data Center, contains more than 6000 references, dating from 1889 through current year and is updated... -
MD iMAP: Maryland Soils - Chesapeake Bay Silt
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 information... -
Rumsey and Walker_AMT_2016_Figure 2.xlsx
Figure summarizes uncertainty (error) in hourly gradient flux measurements by individual analyte. Flux uncertainty is derived from estimates of uncertainty in chemical gradients...
E' possibile inoltre accedere al registro usando le API (vedi Documentazione API).