http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Filter extraction procedures and results for various EPA/ECTD particulate samples
Filter extraction procedures and results for various Environmental Protection Agency Environmental Control Technology Division particulate samples
Office of Mobile Source Air Pollution Control.
1 online resource (vi, 17 pages, A-2 pages) : illustrations
by Mary Ann Warner ; prepared for Environmental Protection Agency.
Report furnished to the Environmental Protection Agency by Southwest Research Institute 68-03-2884 9