1、Designation:D735321Standard Practice forSampling of Liquids in Waste Management Activities Usinga Peristaltic Pump1This standard is issued under the fixed designation D7353;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 practice covers the use of a peristaltic pump forsampling liquids from multiple depths.It is applicable for awide rang
3、e of fluids including:high-viscosity fluids,aggressiveand corrosive fluids,high-purity solutions,and abrasive fluids.It is especially useful for sampling liquids that require com-plete isolation from the pump.1.2 This practice includes the determination of sampledepth,pump setup,and collecting a sam
4、ple to be analyzed.1.3 This practice is not intended to give detailed instructionsfor running a peristaltic pump or to recommend which peri-staltic pump to purchase.It instructs the field personnel how toconnect the pump and collect a sample.1.4 UnitsThe values stated in SI units are to be regardeda
5、s standard.No other units of measurement are included in thisstandard.All observed and calculated values shall conform tothe guidelines for significant digits and rounding established inPractice D6026.Reporting of test results in units other than SIshall not be regarded as nonconformance with this s
6、tandard.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
7、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
8、 to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D4448 Guide for Sampling Ground-Water Monitoring WellsD4687 Guide for General Planning of Waste SamplingD4840 Guide for Sample Chain-of-Custody ProceduresD5681 Terminology for Waste and Waste ManagementD5792 Practice for Generation of
9、 Environmental Data Re-lated to Waste Management Activities:Development ofData Quality ObjectivesD5956 Guide for Sampling Strategies for HeterogeneousWastesD6026 Practice for Using Significant Digits in GeotechnicalDataD6044 Guide for Representative Sampling for Managementof Waste and Contaminated M
10、ediaD6063 Guide for Sampling of Drums and Similar Containersby Field PersonnelD6232 Guide for Selection of Sampling Equipment forWaste and Contaminated Media Data CollectionActivitiesD6250 Practice for Derivation of Decision Point and Confi-dence Limit for Statistical Testing of Mean Concentrationin
11、 Waste Management Decisions(Withdrawn 2018)3D6311 Guide for Generation of Environmental Data Relatedto Waste Management Activities:Selection and Optimiza-tion of Sampling DesignD6634 Guide for Selection of Purging and Sampling De-vices for Groundwater Monitoring Wells3.Terminology3.1 DefinitionsFor
12、definitions of terms used in thisstandard,see Terminology D5681.1This practice is under the jurisdiction of ASTM Committee D34 on WasteManagement and is the direct responsibility of Subcommittee D34.01.03 onSampling Equipment.Current edition approved May 1,2021.Published May 2021.Originallyapproved
13、in 2007.Last previous edition approved in 2013 as D7353 07(2013).DOI:10.1520/D7353-21.2For 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
14、 onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.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
15、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.14.Summary of Practice4.1 A peristaltic pump is a suction lift pump(see Fi
16、g.1(b).A length of polytetrafluoroethylene(PTFE)or other suitabletubing such as Silastic tubing is placed in the liquid at anydepth up to 7.6 m(25 ft)for water or less depending upon thedensity of the sample being taken.The other end is connectedto the piece of flexible tubing which has been threaded aroundthe rotor of the peristaltic pump(see Fig.1(a).A second pieceof PTFE or other suitable tubing is connected to the dischargeend of the flexible tubing to allow the liquid to be containerizedor