1、Designation:D678402(Reapproved 2008)Standard Test Method forElemental,Oxidized,Particle-Bound and Total Mercury inFlue Gas Generated from Coal-Fired Stationary Sources(Ontario Hydro Method)1This standard is issued under the fixed designation D6784;the number immediately following the designation ind
2、icates 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 method applies to the determination of elem
3、ental,oxidized,particle-bound,and total mercury emissions fromcoal-fired stationary sources.1.2 This method is applicable to elemental,oxidized,particle-bound,and total mercury concentrations ranging fromapproximately 0.5 to 100 g/Nm3.1.3 This method describes equipment and procedures forobtaining s
4、amples from effluent ducts and stacks,equipmentand procedures for laboratory analysis,and procedures forcalculating results.1.4 This method is applicable for sampling elemental,oxidized,and particle-bound mercury in flue gases of coal-firedstationary sources.It may not be suitable at all measurement
5、locations,particularly those with high particulate loadings,asexplained in Section 16.1.5 Method applicability is limited to flue gas streamtemperatures within the thermal stability range of the samplingprobe and filter components.1.6 The values stated in SI units are to be regarded as thestandard.T
6、he values in parentheses are for information only.1.7 This standard assumes users are familiar with EPAstack-gas sampling procedures as stated in EPA Methods 14,Method 5,and Method 17.1.8 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresp
7、onsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D1193 Specification for Reagent WaterD1356 Terminology Relating to Sampling and Analysis ofA
8、tmospheresD2986 Practice for Evaluation of Air Assay Media by theMonodisperse DOP(Dioctyl Phthalate)Smoke Test(Withdrawn 2004)3D3154 Test Method for Average Velocity in a Duct(PitotTube Method)D3685/D3685M Test Methods for Sampling and Determina-tion of Particulate Matter in Stack GasesE1 Specificat
9、ion for ASTM Liquid-in-Glass Thermometers2.2 Other Standards:4EPAMethod 1 Sample and Velocity Traverses for StationarySourcesEPA Method 2 Determination of Stack Gas Velocity andVolumetric Flow Rate(Type S Pitot Tube)EPA Method 3 Gas Analysis for the Determination of DryMolecular WeightEPA Method 4 D
10、etermination of Moisture Content in StackGasesEPA Method 5 Determination of Particulate Emissions fromStationary SourcesEPA Method 12 Determination of Inorganic Lead Emissionsfrom Stationary SourcesEPA Method 17 Determination of Particulate Emissionsfrom Stationary Sources(In-Stack Filtration Method
11、)EPA Method 29 Determination of Metals Emissions fromStationary SourcesEPA Method 101A Determination of Particle-Bound andGaseous Mercury Emissions from Sewage Sludge Incin-erators1This test method is under the jurisdiction of ASTM Committee D22 on AirQuality and is the direct responsibility of Subc
12、ommittee D22.03 on AmbientAtmospheres and Source Emissions.Current edition approved April 1,2008.Published July 2008.Originallyapproved in 2002.Last previous edition approved in 2002 as D6784 02.DOI:10.1520/D6784-02R08.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM
13、 Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.4Available from the U.S.Environmental Protection Agencys Emissi
14、on Mea-surement Technical Information Center or Code of Federal Regulations(40 CFRPart 60,Appendix A or 40 CFR Part 61,Appendix B).Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 EPA Method 301 Field Validation of Pollutant MeasurementMet
15、hods from Various Waste MediaEPA SW 846 7470A Mercury in Liquid WasteManualCold Vapor TechniqueEPA Water and Waste 600/4-79-020 Methods for ChemicalAnalysis of Water and Wastes3.Terminology3.1 Definitions other than those given below in 3.2 and 3.3are listed in Terminology D1356.3.2 Definitions of T
16、erms Specific to This Standard:3.2.1 elemental mercurymercury in its zero oxidationstate,Hg0.3.2.2 elemental mercury catchmercury collected in theacidified hydrogen peroxide(HNO3H2O2)and potassiumpermanganate(H2SO4KMnO4)impinger solutions employedin this method.This is gaseous Hg0.3.2.3 front half of the sampling trainall mercury collectedon and upstream of the sample filter.3.2.4 impinger trainsetup including only the impingersand connectors.3.2.5 oxidized mercurymercury in its mercurous or mer