1、Designation:D632818Standard Guide forQuality Assurance Protocols for Chemical Analysis ofAtmospheric Wet Deposition1This standard is issued under the fixed designation D6328;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of
2、 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 guide describes quality assurance(QA)protocolsfor the determination of the anions and cations in AtmosphericWet Depos
3、ition(AWD)shown in Table 1.1.2 Included in this guide are minimum recommendedrequirements for the preparation of calibration standards andsuggested procedures for validating laboratory measurementresults.1.3 This guide describes minimum requirements for thefrequency of analysis of quality assurance
4、samples and recom-mends procedures for the evaluation of quality assurance data.1.4 The guides recommendations are based upon expectedanion and cation concentrations in AWD(1)2and AppendixX1.1.5 The values stated in SI units are to be regarded asstandard.No other units of measurement are included in
5、 thisstandard.1.6 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 pri
6、or to use.1.7 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 TechnicalBa
7、rriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:3D596 Guide for Reporting Results of Analysis of WaterD1193 Specification for Reagent WaterD1356 Terminology Relating to Sampling and Analysis ofAtmospheresD3856 Guide for Management Systems in LaboratoriesEngaged in Analysis of
8、WaterD5012 Guide for Preparation of Materials Used for theCollection and Preservation of Atmospheric Wet Deposi-tionD5015 Test Method for pH of Atmospheric Wet DepositionSamples by Electrometric DeterminationD5085 Test Method for Determination of Chloride,Nitrate,and Sulfate inAtmospheric Wet Deposi
9、tion by ChemicallySuppressed Ion ChromatographyD5086 TestMethodforDeterminationofCalcium,Magnesium,Potassium,and Sodium in Atmospheric WetDeposition by Flame Atomic Absorption Spectrophotom-etryD5111 Guide for Choosing Locations and Sampling Meth-ods to Monitor Atmospheric Deposition at Non-UrbanLoc
10、ationsE200 Practice for Preparation,Standardization,and Storageof Standard and Reagent Solutions for Chemical Analysis3.Terminology3.1 DefinitionsFor definitions of terms used in this guiderefer to Terminology D1356 or the ASTM Dictionary ofEngineering Science and Technology.44.Summary of Guide4.1 T
11、his guide describes QA procedures to be used inconjunction with standard test methods.1This guide is under the jurisdiction of ASTM Committee D22 on Air Qualityand is the direct responsibility of Subcommittee D22.03 on Ambient Atmospheresand Source Emissions.Current edition approved May 1,2018.Publi
12、shed May 2018.Originallyapproved in 1998.Last previous edition approved in 2012 as D6328 12.DOI:10.1520/D6328-18.2The boldface numbers in parentheses refer to the list of references at the end ofthis guide.3For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Ser
13、vice at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.4ASTM Dictionary of Engineering Science and Technology,Tenth Edition,2005.Stock#DEF05.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Consho
14、hocken,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 Organiz
15、ation Technical Barriers to Trade(TBT)Committee.1 4.2 This guide does not include all components of a com-plete QAprogram forAWD measurement systems but providesminimum protocols to assist in the development of such aprogram.The procedures for the preparation of materials usedfor the collection and
16、preservation of AWD are included inGuide D5012.The procedures for choosing locations andsampling atmospheric deposition are included in Guide D5111.5.Reagents5.1 Purity of ReagentsReagent grade chemicals shall beused in all tests.Unless otherwise indicated,it is intended thatall reagents shall conform to the specifications of the commit-tee on Analytical Reagents of the American Chemical Society(ACS),where such specifications are available.5Other reagentsmay be used provided it can be demonstrat