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|Material Type:||Document, Government publication, National government publication, Internet resource|
|Document Type:||Internet Resource, Computer File|
|All Authors / Contributors:||United States. Environmental Protection Agency. Office of Water.; DynCorp.|
|Notes:||Title from title screen (viewed May 14, 2004).
"Prepared under EPA Contract no. 68-C-98-139 by DynCorp Information and Enterprise Technology"--Page .
|Description:||1 online resource ( pages)|
|Details:||Mode of access: Internet from the EPA web site. Address as of 5/14/2004: http://www.epa.gov/ost/methods/1664f051.html; current access available via PURL.|
|Other Titles:||N-hexane extractable material (HEM; oil and grease) and silica gel treated n-hexane extractable material (SGT-HEM; non-polar material) by extraction and gravimetry|