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Method 1664 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

EPA Number: 821R98002
Date of Publication:Febuary, 1999
Audienceconcerned citizens, industry

Available from:
NTIS# PB99-121949Ordering Information
Method 1664 was developed to replace previously used gravimetric procedures that employed Freon 113, a class I CFC, as the extraction solvent for the determination of oil and grease and non-polar material. More...

Oil and Grease
Water Pollution Detection
Analytical Methods
Performance-Based Methods

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