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FRS creates facility identification records through verification and management procedures that incorporate information from EPA's program-specific national data systems, state master facility records, data collected from the agency's Central Data Exchange registrations and data management personnel. The FRS provides Internet access to a single ...
The Emissions & Generation Resource Integrated Database (eGRID) is a comprehensive source of data on the environmental characteristics of almost all electric power generated in the United States. eGRID is issued by the U.S. Environmental Protection Agency (EPA).
In the United States, the EPA and the United States Geological Survey (USGS) are the principal federal agencies working with the CEC to define and map ecoregions. Ecoregions may be identified by similarities in geology , physiography , vegetation , climate , soils , land use , wildlife distributions, and hydrology .
Watershed delineation is the process of identifying the boundary of a watershed, also referred to as a catchment, drainage basin, or river basin.It is an important step in many areas of environmental science, engineering, and management, for example to study flooding, aquatic habitat, or water pollution.
A map of Superfund sites as of October 2013. Red indicates currently on final National Priority List, yellow is proposed, green is deleted (usually meaning having been cleaned up). Superfund sites are polluted locations in the United States requiring a long-term response to clean up hazardous material contaminations. Sites include landfills ...
File:Blank_US_Map.svg licensed with Cc-by-sa-3.0-migrated, GFDL 2009-11-05T19:44:02Z NuclearVacuum 959x593 (91518 Bytes) minor fix from previous upload 2009-11-05T19:39:42Z NuclearVacuum 959x593 (88399 Bytes) Fixed up the borders so they are connected with each state and loosing that gap between them.
This map of United States water resource subregion hydrologic units updated boundaries to include the ocean as well as the portions of the basins that cross international borders For the use of hydrologists, ecologists, and water-resource managers in the study of surface water flows in the United States, the United States Geological Survey ...
The CERCLA federal law of 1980 authorized the United States Environmental Protection Agency (EPA) to create a list of polluted locations requiring a long-term response to clean up hazardous material contaminations. [1] These locations are known as Superfund sites and are placed on the National Priorities List (NPL).