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ASTM PS 74 : 1998

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Test Method for Oil and Grease (Solvent Extractable Substances) in Water by Gravimetric Determination (Withdrawn 2001)
Withdrawn date

11-11-2014

Published date

05-10-1998

CONTAINED IN VOL 11.02 , 2000 Provisional test methods cover the measurement of oil and grease in water and wastewater by a gravimetric determination of solvent extractable substances from an acidified sample.

1.1 These provisional test methods cover the measurement of oil and grease in water and wastewater by a gravimetric determination of solvent extractable substances from an acidified sample. Also included in this measurement of oil and grease are any other compounds soluble in the organic solvent (n-hexane) and nonvolatile under the conditions of the test. Two methods of solvent extraction are provided: Provisional Test Method A-Liquid-Liquid Extraction (Sections 8-15); and Provisional Test Method B-Soxhlet Extraction (Sections 16-23).

1.2 These provisional test methods are applicable to natural waters and domestic wastewaters. They are also suitable for most industrial wastewaters, although certain wastes may yield low results because of the presence of either excessive concentrations of natural greases or synthetic or modified compounds that are not well recovered by these provisional test methods. The applicable concentration range for oil and grease is from 4 to 100 mg/L for Provisional Test Method A and 20 to 200 mg/L for Provisional Test Method B.

Note 1- A new range is to be provided when round robin data is available. Values are based on the measurement of hexadecane.

1.3 These provisional test methods measure those groups of substance called oil and grease, whether soluble or insoluble, polar or nonpolar, or biological or mineral in origin, to the extent these substances partition from the matrix into the organic extraction solvent and are not volatilized under conditions of the test. See also the Introduction and 3.2.1.

1.4 Results using one extraction solvent, for example, n-hexane, are not usually comparable to results using another extraction solvent, for example, diethyl ether or tetrachlorethene, or 1,1,2-trichloro-1,2,2-trifluoroethane, even when the same provisional test method is otherwise followed exactly. The extraction solvent used is therefore reported with results.

1.5 Because these provisional test methods include an acidification step prior to extraction, soluble metallic soaps are hydrolyzed and recovered as fatty acids in the extraction step.

Note 2-Refer to companion procedures Test Methods D3921 and D4281.

1.6 This provisional standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For specific hazard statements, see 7, 13.2, 13.10, 21.2, 21.6, and 21.7.

1.7 Provisional standards achieve limited consensus through approval of the sponsoring subcommittee.

Committee
D 19
DocumentType
Test Method
PublisherName
American Society for Testing and Materials
Status
Withdrawn

ASTM D 1129 : 2013 : REDLINE Standard Terminology Relating to Water
ASTM D 2777 : 2013 : REDLINE Standard Practice for Determination of Precision and Bias of Applicable Test Methods of Committee D19 on Water
ASTM D 3921 : 1996 Standard Test Method for Oil and Grease and Petroleum Hydrocarbons in Water
ASTM D 1192 : 1998 Standard Guide for Equipment for Sampling Water and Steam in Closed Conduits (Withdrawn 2003)

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