1、Designation:D508820Standard Practice forDecontamination of Field Equipment Used at Waste Sites1This standard is issued under the fixed designation D5088;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A numb
2、er in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This practice covers the decontamination of field equip-ment used in the sampling of soils,soil gas,sludges,surfacewater,and groundwater at wa
3、ste sites which are to undergoboth physical and chemical analyses.1.2 This practice is applicable only at sites where chemical(organic and inorganic)wastes are a concern.It is not intendedfor use at radiological,mixed(chemical and radiological),orbiohazard sites.This practice does not address regula
4、toryrequirements for the handling,labeling,shipping,or storing ofwastes or samples.1.3 Practices are included for the decontamination of equip-ment which comes into contact with the sample matrix(samplecontacting equipment)and for ancillary equipment that has notcontacted the portion of sample to be
5、 analyzed(non-samplecontacting equipment),but which must be cleaned to avoidspreading of contamination.1.4 This practice is intended for use when field equipmentused for sampling will be decontaminated in the field orreturned from the field.Information on the construction of fielddecontamination fac
6、ilities and non-sample contacting equip-ment decontamination is also provided.1.5 This practice is based on commonly recognized methodsby which equipment may be decontaminated.The practicesdescribed for sample contacting equipment are commonlyprescribed.Background studies are included in the Referen
7、cesat the end of this standard(1-5).The user is reminded of theimportance of proper decontamination planning to minimizethe amount of decontamination wastes generated and to reduceor eliminate the use of cleaning agents that are themselveshazardous.Quality Assurance/Quality Control(QA/QC)samples tha
8、t document decontamination effectiveness can beused to modify or enhance decontamination techniques.De-contamination at radiologically contaminated sites should referto Practice D5608.1.6 This practice is applicable to most conventional sam-pling equipment constructed of metallic and synthetic mater
9、i-als.The manufacturer of a specific sampling apparatus shouldbe contacted or the manufacturers manuals reviewed if there isconcern regarding the reactivity of a decontamination rinsingagent or the temperatures that could affect the equipment.Plastic components and gasket materials could be damaged
10、bysome of the stronger reagents or high temperatures.1.7 UnitsThe values stated in SI units are to be regardedas standard.No other units of measurement are included in thisstandard.1.8 This practice offers an organized collection of informa-tion or a series of options and does not recommend a specif
11、iccourse of action.This document cannot replace education orexperience and should be used in conjunction with professionaljudgment.Not all aspects of this practice may be applicable inall circumstances.This ASTM standard is not intended torepresent or replace the standard of care by which theadequac
12、y of a given professional service must be judged,norshould this document be applied without consideration of aprojects many unique aspects.The word“Standard”in thetitle of this document means only that the document has beenapproved through the ASTM consensus process.1.9 This standard does not purpor
13、t 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.1.10 This international standard was
14、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 Doc
15、uments2.1 ASTM Standards:2D653 Terminology Relating to Soil,Rock,and ContainedFluids1This practice is under the jurisdiction of ASTM Committee D18 on Soil andRock and is the direct responsibility of Subcommittee D18.21 on Groundwater andVadose Zone Investigations.Current edition approved May 1,2020.
16、Published May 2020.Originallyapproved in 1990.Last previous edition approved in 2015 as D5088 15a.DOI:10.1520/D5088-20.2For 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.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,P
