ASTM_F_1461_-_12.pdf

Designation:F146112Standard Practice forChemical Protective Clothing Program1This standard is issued under the fixed designation F1461;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 is intended to promote the properselection,use,maintenance,and understanding of the limita-tions of chemical protective clothing(CPC)by users,employers,employees,and other persons involved in programsrequiring CPC,thereby limiting potentially harmful and un-necessary skin exposures.1.2 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:2F739 Test Method for Permeation of Liquids and Gasesthrough Protective Clothing Materials under Conditions ofContinuous ContactF903 Test Method for Resistance of Materials Used inProtective Clothing to Penetration by LiquidsF1001 Guide for Selection of Chemicals to Evaluate Protec-tive Clothing MaterialsF1052 Test Method for Pressure Testing Vapor ProtectiveSuitsF1154 Practices for Qualitatively Evaluating the Comfort,Fit,Function,and Durability of Protective Ensembles andEnsemble ComponentsF1194 Guide for Documenting the Results of ChemicalPermeation Testing of Materials Used in Protective Cloth-ingF1383 Test Method for Permeation of Liquids and Gasesthrough Protective Clothing Materials under Conditions ofIntermittent ContactF2588 Test Method for Man-In-Simulant Test(MIST)forProtective Ensembles3.Terminology3.1 Definitions:3.1.1 analytical detection limit,na number,expressed inunits of concentration(or amount),that describes the lowestconcentration level(or amount)that an analyst can determineto be different from an analytical blank(background level).3.1.2 biological monitoring,nthe chemical analysis ofchemicals or metabolites,or both,from a workers blood,urine,fingernails,sweat,breath,and so forth.3.1.3 buddy system,na means of organizing employeework groups whereby each participant is matched with anotherso that prompt assistance can be rendered in the case of anyemergency.3.1.4 chemical protective clothing(CPC),nan item ofclothing that is specifically designed and constructed for theintended purpose of isolating all or part of the body from achemical hazard.3.1.5 decontamination,nthe reduction,removal,or neu-tralization of contaminant or contaminants from protectiveclothing to safely permit the protective clothing to be doffed(taken off),or reused,or discarded.3.1.6 elastomer,nan elastic polymer that has propertiessimilar to rubber.3.1.7 fabric,na planar structure consisting of yarns orfibers.3.1.7.1 DiscussionUnlike a polymer sheet,a fabric isnormally subject to penetration by gases and liquids.3.1.8 Ficks laws of diffusion,nmathematical descriptionsof the movement of one type of molecule through another.3.1.8.1 DiscussionDiffusion is not due to holes or pores inchemical protective clothing materials.3.1.9 hazard assessment,nan examination of the work-place to determine if hazards are present,or are likely to bepresent,which necessitate the use of personal protectiveequipment(PPE)3.1.10 industrial hygienist,na person who,by experienceand academic training,is qualified to recognize,evaluate,and1This practice is under the jurisdiction of ASTM Committee F23 on PersonalProtective Clothing and Equipment and is the direct responsibility of SubcommitteeF23.30 on Chemicals.Current edition approved Aug.1,2012.Published September 2012.Originallyapproved in 1993.Last previous edition approved in 2007 as F1461-07.DOI:10.1520/F1461-12.2For 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.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 control chemical,physical,and biological agents in theworkplace,or a person certified by the American Board ofIndustrial Hygiene.3.1.11 occlusion,nthe physical process of covering achemical that has been applied to or spilled on the skin,therebydisallowing its evaporation and generally increasing its absorp-tion through the skin.3.1.12 physical-chemical parameters,nvalues for physi-cal or chemical properties of a test chemical or polymer,orboth,such as solubility parameters,molecular weight,vaporpressure,and so forth.3.1.13 plastic,na material that contains,as an essentialingredient,one or more organic polymeric substances of largemolecular weight,is solid in its finished state,and,at somestage in its manuf