1、Designation:D767817(Reapproved 2022)Standard Test Method forTotal Oil and Grease(TOG)and Total PetroleumHydrocarbons(TPH)in Water and Wastewater with SolventExtraction using Mid-IR Laser Spectroscopy1This standard is issued under the fixed designation D7678;the number immediately following the desig
2、nation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This test method covers the determinat
3、ion of total oiland grease(TOG)and total petroleum hydrocarbons(TPH)inwater and waste water that are extractable by this test methodfrom an acidified sample with a cyclic aliphatic hydrocarbon(for example cyclohexane,cyclopentane)and measured by IRabsorption in the region from 1370 cm1to 1380 cm1(7.
4、25m to 7.30 m)using a mid-IR laser spectrometer.Polarsubstances are removed by clean-up with Florisil.21.2 This test method also considers the volatile fraction ofpetroleum hydrocarbons,which is lost by gravimetric methodsthat require solvent evaporation prior to weighing,as well asby solvent-less I
5、R methods that require drying of the employedsolid phase material prior to measurement.Similarly,a morecomplete fraction of extracted petroleum hydrocarbons areaccessible by this test method as compared to GC methods thatuse a time window for quantification,as petroleum hydrocar-bons eluting outside
6、 these windows are quantified too.1.3 This test method covers the range of 0.1 mg/L to 1000mg/L and may be extended to a lower or higher level byextraction of a larger or smaller sample volume collectedseparately.1.4 The values stated in SI units are to be regarded asstandard.No other units of measu
7、rement are included in thisstandard.1.5 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety,health and environmental practices and deter-mine the applicability of regu
8、latory limitations prior to use.1.6 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Or
9、ganization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:3D1129 Terminology Relating to WaterD1193 Specification for Reagent WaterD2777 Practice for Determination of Precision and Bias ofApplicable Test Methods of Committee D19 on WaterD3370 Practices for Sampling
10、 Water from Flowing ProcessStreamsD3921 Test Method For Oil and Grease and PetroleumHydrocarbons in Water(Withdrawn 2013)4D5847 Practice for Writing Quality Control Specificationsfor Standard Test Methods for Water AnalysisE168 Practices for General Techniques of Infrared Quanti-tative Analysis2.2 I
11、SO Standards:5ISO 9377-2 Determination of Hydrocarbon Oil Index2.3 Code of Federal Regulations(CFR)Publications:640 CFR Part 136 Guidelines Establishing Test Proceduresfor the Analysis of Pollutants49 CFR Part 172 Hazardous Materials Table,SpecialProvisions,Hazardous Materials Communications,Emer-ge
12、ncy Response Information,Training Requirements,andSecurity Plans1This test method is under the jurisdiction of ASTM Committee D19 on Waterand is the direct responsibility of Subcommittee D19.06 on Methods forAnalysis forOrganic Substances in Water.Current edition approved Oct.15,2022.Published Octob
13、er 2022.Originallyapproved in 2011.Last previous edition approved in 2017 as D7678 17.DOI:10.1520/D7678-17R22.2Florisil is a trademark by U.S.Silica Company,Frederick,MD.3For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual B
14、ook of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.4The last approved version of this historical standard is referenced onwww.astm.org.5Available from International Organization for Standardization(ISO),ISOCentral Secretariat,BIBC II,Chemin de Bla
15、ndonnet 8,CP 401,1214 Vernier,Geneva,Switzerland,http:/www.iso.org.6Available from U.S.Government Printing Office,Superintendent ofDocuments,732 N.Capitol St.,NW,Washington,DC 20401-0001,http:/www.access.gpo.gov.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 1942
16、8-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.13.Terminology3.1 Definitions:3.1.1 For definitions of terms used in this standard,refer toTerminology D1129 and Practices E168.3.2 Definitions of Terms Specific to T
