b'UpliftTests.EnclosedisacopyoftheJanuary,1978editionofthedata sheet,whichsupersedestheMarch,1975edition,forwardedtoyouwitha ,._,- priorissueoftheMidwestRoofer. Theprincipalrevisiontothedatasheethasbeenadditionofnew materialdiscussingtheaveragingoftestresults.Inaddition,details withrespecttorefasteningroofcoveringhavebeendeletedandwill appearinafuturerevisionofFM\'sDataSheet1-48. SAFETY 1.WarningLineSystemforFlatRoofs.Sometimeago,weadv.ised youthat,inthefaceofnumerouscourtdecisionsandadministrativelaw judgedecisionsholdingthatOSHARegulationSection196. 5 00 ((is 2d)1) notapplicabletoflatroofs,OSHAdecidedtoceaseissuingcitations forallegedviolationof500 (d)(1).WecorrectlypredictedthatOSHA wouldissuecitationsforlackofflatroofperimeterguardingunder otherOSHAregulations- Section1926.28(personalprotectiveequipment) Section1926.104(safetybelts,lifelinesandlanyards),andSection 1926.105(safetynets).\eurgedyoutouseropewarninglinesystems onallflatroofjobs,placingthewarninglines8to10feetinfromthe roofedge.Weknowofnoinstanceinwhicharoofingcontractorhasbeen citedbyOSHAforallegedviolationof1926.500 (d)(1),1926.28,1926.104, 1926.105oranyotherOSHAstandardwithrespecttoflatroofperimeter guardingwhenaropewarninglinesystemhasbeeninplace8to10feetin fromtheroofedge. EvenbeforeOSHAgaveinonS00(d)(1),effortshadcommenced,ledby theNationalRoofingContractorsAssociation,toobtainanamendmentto theOSHAstandardswithrespecttoperimeterguardingofflatroofs.The amendmentproposedbytheindustryisessentiallyawarninglinesystem. Enclosedwiththisissueisthetextoftheproposedamendment.Weunderstandthattheproposedamendmenthasnowbeenapprovedbytheconstruction industry\'sadvisorycomrn.i tteetoOSHA.However,representationsmadeto thecommitteeonbehalfofroofingcontractorstotheeffectthatwarning linesystemshavebeensuccessfullyusedbymanycontractorsforsometime havebeenchallengedbytheInternationalUnion.TheInternationalUnion isnowintheprocessofconductingasurveyastoutilizationofthe warninglinesystemIf youhavebeenusingawarninglinesystemsimilar tothesystemdescribedintheproposedamendment,letusknow.Dropusa notewithyournill!leandtellushowlongyouhavebeenusingthewarning linesystem. 2.ProposedExposureStandards- CoalTarPitchProducts/Asphalt Fumes.TheNationalInstituteforOccupationalSafetyandHealth(NIOSI!) haspublishedtwo"criteriadocuments",onecontain.ingcriteriafora recommendedstandardwithrespecttooccupationalexposuretocoaltar productsandtheotherwithrespecttooccupationalexposuretoasphalt fumes.Inbothcases,therecommendedstandardsincludeexposurelimitationsandspecifyrequirementsastomedicalexaminations,labelingand posting,personalprotectiveequipmentandclothing,employeeeducation, workpracticeprocedures,sanitationpracticesandmonitoringandrecord keeping. Theexposurelimitationwithrespecttocoaltarproductsisthat employeesnotbeexposedtocoaltar,coaltarpitch,creosote,ormixtures'