Enumerated Domain Description

	Code:		EPA 1664
	Description:		Revision A: 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 (http://water.epa.gov/scitech/methods/cwa/me
	Source:		No source available.