1、Designation:D682605(Reapproved 2014)1Standard Specification forSprayed Slurries,Foams and Indigenous Materials Used AsAlternative Daily Cover for Municipal Solid Waste Landfills1This standard is issued under the fixed designation D6826;the number immediately following the designation indicates the y
2、ear 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.1NOTEUnits statement was inserted in Section 1.3 editorially in January
3、 2014.1.Scope1.1 This specification defines procedures for determiningthe performance of certain landfill daily cover materialsgenerally described as an alternative daily cover(ADC).Thisspecification applies only to slurries that are sprayed,foamsthat are spray applied,or indigenous materials that a
4、re placedonto the working face of a Municipal Solid Waste Landfill(MSWLF)unit as a cover.It is not applicable to other types oflandfills.It does not apply to geosynthetics used as an ADC.1.2 This standard addresses the evaluation of an ADC andits ability to control fires and odors and whether or not
5、 thecover contains materials that present a threat to human healthand the environment.The control of disease vectors andblowing litter can be evaluated by observation,and scavengingis controlled by security procedures and other operatingpractices.1.3 The values stated in inch-pound units are to be r
6、egardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.3.1 ExceptionMetric units are used in Note 2.1.4 This standard does not purport to address all of thesafety concerns,if any,associated wi
7、th its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory requirements prior to use.2.Referenced Documents2.1 ASTM Standards:2D4982 Test Methods for Flammability Potential ScreeningAnalysis of
8、WasteD6523 Guide for Evaluation and Selection of AlternativeDaily Covers(ADCs)for Sanitary LandfillsE96/E96M Test Methods for Water Vapor Transmission ofMaterialsG40 Terminology Relating to Wear and Erosion2.2 Other Documents:3U.S.Environmental Protection Agency Regulations,Re-source Conservation an
9、d Recovery Act,Subtitle D,Codeof Federal Regulations,Protection of the Environment,Title 40,Part 258,Subpart CB Operating Criteria,Section258.21 Cover Material Requirements,pp.393-94,revisedas of July 1,1995EPA Method 1311 Toxicity Characteristic Leaching Proce-dureEPA Method 1312 Synthetic Precipit
10、ation Leaching Proce-dureEPA Publication SW-846EPA Method 8260EPA Method 82703.Terminology3.1 DefinitionsFor definitions of some terms used in thisspecification,refer to Terminology G40.3.2 Definitions of Terms Specific to This Standard:3.2.1 daily cover,n6 in.(152.4 mm)of earthen materialthat is sp
11、read and compacted on the top and side slopes ofcompacted solid waste,at least at the end of each operatingday,which satisfies the U.S.Environmental ProtectionAgency,Resource Conservation and Recovery Act,Subtitle D.3.2.1.1 alternative daily cover material,na substance ormaterial other than 6 in.(15
12、2.4 mm)of earthen material,usedfor daily cover,which satisfies the U.S.Environmental Protec-tion Agency,Resource Conservation and Recovery Act,Sub-title D,performance standards for an ADC(see Guide D6523).3.2.2 foam,na synthetic material sprayed and combinedwith air to form closed cell air pockets(s
13、ee Guide D6523).1This specification is under the jurisdiction of ASTM Committee D35 onGeosynthetics and is the direct responsibility of Subcommittee D35.03 on Perme-ability and Filtration.Current edition approved Jan.1,2014.Published January 2014.Originallyapproved in 2002.Last previous edition appr
14、oved in 2009 as D682605(2009).DOI:10.1520/D6826-05R14E01.2For 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.3Availabl
15、e from U.S.Government Printing Office Superintendent of Documents,732 N.Capitol St.,NW,Mail Stop:SDE,Washington,DC 20401,http:/www.access.gpo.gov.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 3.2.3 indigenous,adjnative to a particular r
16、egion(seeGuide D6523).3.2.4 leachate,ncontaminated water resulting from thecombination of waste with precipitation(see Guide D6523).3.2.5 municipal solid waste landfill(MSWLF)unit,naregulated disposal site for the deposition of commercial andhousehold waste.3.2.6 working face,nthe area of a landfill in which wasteis actively being deposited(see Guide D6523).4.Significance and Use4.1 The U.S.Environmental Protection Agency promul-gated regulations under the Resource Conservation and Recov-ery Act
