ASTM_D_7822_-_13.pdf

Designation:D782213Standard 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.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 conjunction withprofessional judgment.Not all aspects of this practice may beapplicable in all circumstances.This practice is not intended torepresent or replace the standard of care by which the adequacyof a given professional service must be judged,nor should thispractice be applied without consideration of a projects manyunique aspects.The word“Standard”in the title means onlythat the practice has been approved through the ASTMconsensus 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 and health practices and determine the applica-bility of regulatory limitations prior to use.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 MetalsD7144 Practice for Collection of Surface Dust by Micro-vacuum Sampling for Subsequent Metals DeterminationD7659 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 and European Standards:ISO 14294 Workplace atmospheresMeasurement of der-mal exposurePrinciples and methods3EN 689 Workplace AtmospheresGuidance for the Assess-ment of Exposure by Inhalation to Chemical Agents forComparison with Limit Values and Measurement Strat-egy4EN 1540 Workplace exposureTerminology43.Terminology3.1 For definitions of terms not listed here,see TerminologyD1356.3.2 Definitions:3.2.1 agentany chemical or biological entity on its own oradmixed as it occurs in the natural state or as produced by anywork activity,whether or not produced intentionally andwhether or not placed on the market.EN 6891This test method is under the jurisdiction of ASTM Committee D22 on AirQuality and is the direct responsibility of Subcommittee D22.04 on Workplace AirQuality.Current edition approved April 1,2013.Published April 2013.DOI:10.1520/D7822-13.2For 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.4Available from European Committee for Standardization(CEN),AvenueMarnix 17,B-1000,Brussels,Belgium,http:/www.cen.eu.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 3.2.2 dermal exposureprocess of contact between anagent and human skin at an exposure surface over an exposureperiod.ISO 142943.2.2.1 DiscussionDermal exposure can originate fromcontact with surfaces or from airborne contaminants.Theexposure period may or may not be known.3.2.3 dermal exposure loadingdermal exposure mass di-vided by the dermal exposure surface area.ISO 142943.2.3.1 DiscussionFor practical reasons dermal exposureloading can be expressed as the mass divided by area-averagedskin contaminant layer surface area in mg/cm2.3.2.4 dermal exposure massmass of agent present in thedermal contact volume.ISO 142943.2.4.1 DiscussionFor practical reasons,dermal exposuremass is defined by the amount of agent present in the skincontaminant layer.The outcome of the process of dermalexposure(that is,the contact)can be expressed by differentparameters of exposure,such as mg/cm2,or mg/hand,thoughascertaining the exact area of the exposure is preferred.3.2.5 dermal exposure sur