http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Develop to provide easy access to summary-level emissions data based on EPA's National Emission Trends data base. Emissions for the years 1985-1996 are stored by tier category, major source categories (biogenics is a separate reporting option for 1988, 1990, 1991, 1995 and 1996), Source Classification Code (SCC) and by Standard Industrial Classification (SIC) code at the county, nonattainment area, State, and national levels.
System requirements: IBM compatible PC with 486 processor running at 33 megahertz; 6 megabytes extended memory; Microsoft Windows version 3.0 or later; fully operational CD-ROM drive; 20 megabytes of hard drive space; video Graphics Array (VGA) monitor (settings be at least 800 by 600 pixels)