ASTM D3921-96(2011)


Standard Test Method for Oil and Grease and Petroleum Hydrocarbons in WaterASTM International / 01-May-2011 / 7 pages

1.1 This test method covers the determination of fluorocarbon-extractable substances as an estimation of the combined oil and grease and the petroleum hydrocarbon contents of a sample of water or waste water in the range from 0.5 to 100 mg/L. It is the user's responsibility to assume the validity of the standard for untested types of water. 1.2 This test method defines oil and grease in water and waste water as that matter which is extractable in the test method and measured by infrared absorption. Similarly, this test method defines petroleum hydrocarbons in water and waste water as that oil and grease which is not adsorbed by silica gel in the test method and that is measured by infrared absorption. 1.3 Low-boiling organic materials are lost by evaporation during the manipulative transfers. However, these evaporative losses are generally much lower than those experienced with gravimetric procedures that require solvent evaporation before the residue is weighed. 1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.5 This 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.

Keywords: oil and grease; petroleum hydrocarbons; Fluorocarbon content; Grease content--water; Hydrocarbon content; Oil content; Organic compounds--water; Petroleum products; Wastewater testing/treatment ; ICS Number Code 13.060.50 (Examination of water for chemical substances)

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