ASTM_D_6234_-_13_2020.pdf

Designation:D623413(Reapproved 2020)Standard Test Method forShake Extraction of Mining Waste by the SyntheticPrecipitation Leaching Procedure1This standard is issued under the fixed designation D6234;the number immediately following the designation 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 a procedure for the shakeleaching of mining waste containing at least 80%dry solids(20%moisture)in order to generate a solution to be used todetermine the inorganic constituents leached under the speci-fied testing conditions that conform to the synthetic precipita-tion leaching procedure(SPLP).1.2 This test method calls for the shaking of a known weightof mining waste with acidic extraction fluid of a specifiedcomposition,as well as the separation of the liquid phase foranalysis.The pH of the extraction fluid is to reflect the pH ofacidic precipitation in the geographic region in which the wastebeing tested is to be disposed.NOTE1Possible sources of information concerning the pH of theprecipitation in the geographic region of interest include state and federalenvironmental agencies,state universities,libraries,etc.pH values givenin USEPA Method 1312,that are 4.2 east of the Mississippi River and 5.0west of the Mississippi River and are based on acid precipitation maps,areexamples of values that can be used.If the pH of the laboratory water isless than the desired pH for the site,do not use this test method;usePractice D3987 or Test Method E2242.NOTE2The method may also be suitable for use in testing of mineralprocessing waste from metal mining process operations for jurisdictionsthat do not require the use of Test Method E2242.1.3 This test method is intended to describe the procedurefor performing single batch extractions only.It does notdescribe all types of sampling,sample preservation,andanalytical requirements that may be associated with its appli-cation.1.4 The values stated in SI units are to be regarded as thestandard.No other units of measurement 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 regulatory 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 Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D75/D75M Practice for Sampling AggregatesD420 Guide for Site Characterization for Engineering De-sign and Construction PurposesD653 Terminology Relating to Soil,Rock,and ContainedFluidsD1129 Terminology Relating to WaterD1193 Specification for Reagent WaterD2234/D2234M Practice for Collection of a Gross Sampleof CoalD2777 Practice for Determination of Precision and Bias ofApplicable Test Methods of Committee D19 on WaterD3370 Practices for Sampling Water from Flowing ProcessStreamsD3987 Practice for Shake Extraction of Solid Waste withWaterD5744 Test Method for Laboratory Weathering of SolidMaterials Using a Humidity CellE691 Practice for Conducting an Interlaboratory Study toDetermine the Precision of a Test MethodE877 Practice for Sampling and Sample Preparation of IronOres and Related Materials for Determination of Chemi-cal Composition and Physical PropertiesE1915 Test Methods forAnalysis of Metal Bearing Ores andRelated Materials for Carbon,Sulfur,and Acid-BaseCharacteristicsE2242 Test Method for Column Percolation Extraction ofMine Rock by the Meteoric Water Mobility Procedure1This test method is under the jurisdiction of ASTM Committee D34 on WasteManagement and is the direct responsibility of Subcommittee D34.01.04 on WasteLeaching Techniques.Current edition approved Sept.1,2020.Published September 2020.Originallyapproved in 1998.Last previous edition approved in 2013 as D6234 13.DOI:10.1520/D6234-13R20.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.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.12.2 EPA