Record Display for the EPA National Library Catalog


Main Title Method 1664 : n-hexane extractable material (HEM) and silica gel treated n-hexane extractable material (SGT-HEM) by extraction and gravimetry (oil and grease and total petroleum hydrocarbons).
CORP Author DynCorp Viar, Inc., Reston, VA. Environmental Services Div.;Environmental Protection Agency, Washington, DC. Engineering and Analysis Div.
Publisher U.S. Environmental Protection Agency, Office of Water, Engineering and Analysis Division,
Year Published 1995
Report Number EPA-821-B-94-004b; 68-C3-0337; EPA-68-C3-0337
Stock Number PB95-239232
OCLC Number 33808219
Subjects Water pollution control industry--United States ; Hexane ; Extraction (Chemistry) ; Silica gel ; Gravimetric analysis ; Petroleum products
Additional Subjects Water pollution monitoring ; Hexanes ; Extraction ; Gravimetric analysis ; Test methods ; Chemical analysis ; Silica gel ; Quality control ; Pollution regulations ; Oils ; Greases ; Crude oil ; Petroleum products ; EPA Method 1664 ; HEM(N-Hexane Extractable Material) ; SGT-HEM(Silica Gel Treated N-Hexane Extractable Material)
Internet Access
Description Access URL
Library Call Number Additional Info Location Last
EJAD  EPA 821/B-94-004 Region 3 Library/Philadelphia, PA 08/30/1996
EJAD  EPA 821/B-94-004b Region 3 Library/Philadelphia, PA 08/30/1996
EJBD ARCHIVE EPA 821-B-94-004b Headquarters Library/Washington,DC 06/04/2013
EJBD  EPA-821-B-94-004b c.1-2 Headquarters Library/Washington,DC 05/24/1996
ELBD  EPA 821-B-94-004b AWBERC Library/Cincinnati,OH 03/29/1996
NTIS  PB95-239232 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation iii, 24 p. ; 28 cm.
Method 1664 was developed by the United States Environmental Protection Agency Office of Science and Technology 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 petroleum hydrocarbons. Method 1664 is a performance-based method applicable to aqueous matrices that requires the use of n-hexane as the extraction solvent and gravimetry as the determinative technique. In addition, QC procedures designed to monitor precision and accuracy have been incorporated into Method 1664.
Running title: Method 1664. "April 1995"--cover. "EPA-821-B-94-004b"--cover. "This document was prepared under EPA contract no. 68-C3-0337 by DynCorp Environmental, Inc."--pg. ii.