Designation:E1576–99StandardGuideforMedicalSurveillanceProgramforWorkerswithOccupationalExposuretoRespirableSiliconCarbideWhiskers1ThisstandardisissuedunderthefixeddesignationE1576;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguidecoversarecommendedmedicalsurveillanceprogramforworkerswithpotentialforroutineoccupationalexposuretoairbornerespirablesiliconcarbide(SiC)whiskersatorabovetheexposurelimitsspecifiedinPracticesE1435andE1437.AirbornerespirableSiCwhiskersareconsideredapotentialhealthhazard.1.2Theexaminationsrecommendedinthisguidearenotintendedtoreplaceexistingmedicalexaminationsofferedbyanemployer,butshouldsupplementexistingexaminationsinordertoevaluatepulmonaryfunctionanddisease.1.3Themedicalsurveillanceprogramisintendedtoestab-lishbaselinevaluespriortooccupationalexposuretoairbornerespirablesiliconcarbidewhiskersandtoestablishperiodicmonitoring.1.4Applicationofthisguidemaybesupersededbyfuturegovernmentalregulations.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:E1435PracticeforHandlingDensifiedArticlesofAlumi-numOxideReinforcedwithSiliconCarbideWhiskers2E1437PracticeforHandlingRespirableSiliconCarbideWhiskers22.2OtherDocuments:U.S.CodeofFederalRegulations(CFR),29CFR1910.1001,AppendixD,AppendixEOccupationalSafetyandHealthStandardforAsbestos3CentersforDiseaseControl/NationalInstituteforOccupa-tionalSafetyandHealth(CDC/NIOSH)CDC/NIOSH(M)2.8form4InternationalLaborOrganization(ILO)ILO-U/CInterna-tionalClassificationofRadiographsforPneumoconioses,198053.Terminology3.1Definitions:3.1.1aspectratio,n—ratioofwhiske...
