ASTM_D_7822_-_18.pdf

Designation:D782218Standard Practice forDermal Wipe Sampling for the Subsequent Determination ofMetals and Metalloids1This standard is issued under the fixed designation D7822;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 practice describes a procedure for the wet wipingof potentially exposed skin of workers for the subsequentdetermination of metals and metalloids.NOTE1For guidance on collection of wipe samples on surfaces otherthan skin,refer to Guide D7659.1.2 This practice does not address the sampling designcriteria that are used for hazard evaluation,risk assessment,orother purposes.1.3 This practice contains notes that are explanatory and arenot part of the mandatory requirements of this practice.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 practice offers a set of instructions for performingone or more specific operations.This practice cannot replaceeducation or experience and should be used in conjunctionwith professional judgment.Not all aspects of this practice maybe applicable in all circumstances.This practice is notintended to represent or replace the standard of care by whichthe adequacy of a given professional service must be judged,nor should this practice be applied without consideration of aprojects many unique aspects.The word“Standard”in thetitle means only that the practice has been approved throughthe ASTM consensus process.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 prior 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 TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D1356 Terminology Relating to Sampling and Analysis ofAtmospheresD4840 Guide for Sample Chain-of-Custody ProceduresD6966 Practice for Collection of Settled Dust SamplesUsing Wipe Sampling Methods for Subsequent Determi-nation of MetalsD7659 Guide for Strategies for Surface Sampling of Metalsand Metalloids for Worker ProtectionD7707 Specification for Wipe Sampling Materials for Beryl-lium in Surface DustE1792 Specification for Wipe Sampling Materials for Leadin Surface Dust2.2 ISO Standards:3ISO TR 14294 Workplace AtmospheresMeasurement ofDermal ExposurePrinciples and MethodsISO18158 WorkplaceAtmospheresWorkplaceExposureTerminology3.Terminology3.1 Definitions:3.1.1 For definitions of terms used in this standard,refer toTerminology D1356.3.1.2 agent,nany chemical or biological entity on its ownor admixed as it occurs in the natural state or as produced byany work activity,whether or not produced intentionally andwhether or not placed on the market.ISO TR 142943.1.3 dermal exposure,nprocess of contact between anagent and human skin at an exposure surface over an exposureperiod.ISO TR 142943.1.3.1 DiscussionDermal exposure can originate from1This practice is under the jurisdiction ofASTM Committee D22 on Air Qualityand is the direct responsibility of Subcommittee D22.04 on Workplace Air Quality.Current edition approved Dec.1,2018.Published January 2019.Originallyapproved in 2013.Last previous edition approved in 2013 as D7822 13.DOI:10.1520/D7822-18.2For 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.3Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.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 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.1 contact with surfaces or from airborne contaminants.Theexposure period may or may not be known.3.1.4 dermal exposure loading,ndermal exposure massdivided by the dermal exposure surface area.ISO TR 142943.1.4.1 DiscussionFor practical reasons dermal exposureloading can be expressed as the mass divided by area-averagedskin contaminant layer surface area in mg/cm2.3.1.5 derma