ASTM_D_5835_-_20.pdf

Designation:D583520Standard Practice forSampling Stationary Source Emissions for the AutomatedDetermination of Gas Concentrations1This standard is issued under the fixed designation D5835;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 practice2covers procedures and equipment thatwill permit representative sampling for the automated determi-nation of gas concentrations of effluent gas streams withlimitations as described below.The application is limited to thedetermination of oxygen(O2),carbon dioxide(CO2),carbonmonoxide(CO),sulfur dioxide(SO2),nitric oxide(NO),nitrogen dioxide(NO2),and total oxides of nitrogen(NOx).1.2 Velocity measurements are required to determine themass flow rates of gases.This is not included in this practice.1.3 There are some combustion processes and conditionsthat may limit the applicability of this practice.Where suchconditions exist,caution and competent technical judgment arerequired,especially when dealing with any of the following:1.3.1 Corrosive or highly reactive components,1.3.2 High vacuum,high pressure,or high temperature gasstreams,1.3.3 Wet flue gases,1.3.4 Fluctuations in velocity,temperature,or concentrationdue to uncontrollable variation in the process,1.3.5 Gas stratification due to the non-mixing of gasstreams,1.3.6 Measurements made using environmental controldevices,and1.3.7 Low levels of gas concentrations.1.4 The values stated in SI units are to be regarded asstandard.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.For more specific safety precautions,refer to 5.1.4.8,5.2.1.6,and 6.2.2.1.1.6 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:3D1356 Terminology Relating to Sampling and Analysis ofAtmospheresD1608 Test Method for Oxides of Nitrogen in GaseousCombustion Products(Phenol-Disulfonic Acid Proce-dures)D3154 Test Method for Average Velocity in a Duct(PitotTube Method)2.2 Other Document:40 CFR Part 60 Standards of Performance for StationarySources,Appendix A,Test Methods 2,3,3a,6,6c,7,7e,and 1043.Terminology3.1 Definitions:3.1.1 For definitions of terms used in this practice,refer toTerminology D1356.4.Summary of Practice4.1 This practice describes representative duct or stack gassampling,including both extractive and non-extractive sam-pling.In extractive sampling,gases are conditioned to removeaerosols,particulate matter,and other interfering substancesbefore being conveyed to instruments.In non-extractive1This practice is under the jurisdiction ofASTM Committee D22 on Air Qualityand is the direct responsibility of Subcommittee D22.03 on Ambient Atmospheresand Source Emissions.Current edition approved Dec.1,2020.Published January 2021.Originallyapproved in 1995.Last previous edition approved in 2012 as D5835 95(2012).DOI:10.1520/D5835-20.2This practice is based on ISO 10396,“Stationary source emissionsSamplingfor the automated determination of gas concentrations,”available from InternationalOrganization for Standardization,Casa Postale 56,CH-1211,Geneva,Switzerland.3For 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.4Available 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 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.1sampling,the measurements are made in-situ;therefore,sample conditioning is not necessary beyond filtration.4.1.1 Extractive SamplingExtractive sampling consists ofextraction of the sample,removal of interfering materials,andretention of the analyte concentration without change through-out the sampling system for analysis by appropriate instrumen-t