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Environment,Health&SafetyOfficeSOG#:EHS-0048Revision#:1.5ImplementationDate:02/06/06Page#:1of7LastReviewed/UpdateDate:5/20/13SOGOwner:BretDyerApproval:EHS:LouDiBerardinis,SP:PeterM.BochnakAnofficialhardcopyofthisdocumentexistsintheEHSOfficeorontheEHSwebsite.SeeLegalDisclaimerat:http://ehs.mit.edu/site/content/legal-disclaimerLiquidPetroleumGas(Propane)1.Purpose/BackgroundLiquidPetroleumGas(LPG)isamixtureofliquidhydrocarbonsstoredinpressurizedcylindersandisusedasafuelinheating,cookingappliances,poweredindustrialtrucks(e.g.forklifts,)automobilesandtrucks.Itisalsousedasapropellantinaerosolcans,replacingCFC’s.LPGistypicallyintheformofmixturescontainingmostlypropane,althoughtherearebutanemixturesavailableaswell.MethylMercaptanisaddedasanodorant,givingthegasdistinctivewarningpropertiesintheeventofaleak.Propanegas(thefocusofthisSOP)hasahighspecificgravity(heavierthanair)andisaflammable.Releases/leakswillaccumulateatlowelevations,oftenfarfromthesource.LPGexpandsrapidly;1literofLPGwillform250literswhenreleased.Duetotheseshazards,insurancecarriers,federal,stateandlocalauthorities(CambridgeFireDepartment)havespecificrequirementsforthesafeuseandstorageofpropanegas.PropaneusesatMITarelimitedtoPoweredIndustrialVehicles,SpecialEvents(barbeques)andAcademic&/LaboratoryResearchworkconductedinlaboratories.2.ScopeThisSOPdescribestheproceduresthathavebeendeveloped,inaccordancewithMIT’sEnvironment,HealthandSafety(EHS)Policyforthesafestorage,handlinganduseofpropaneinportablecylinders/tanks.3.PrerequisitesNopre-requisitesareneeded4.Procedures4.1Generalguidelines&requirements4.1.1Propanecylindersshallbehandledandstoredinamannerthatdoesnotposearisktopersonnelorcausepropertydamage.4.1.2Thetransportanduseofpropaneinportablecylindersshallonlybeperformedbypersonnelwhohavebeentrainedinandareknowledgeableofthehazardsofthegasandsafetyprecautions.Thisincludessafeworkpractices,anynecessaryprotectiveequipmentandemergencyprocedures,especiallythoseinvolvingaleak/release.4.1.3.Donotacceptdeliveryofpropanecylinderswhichshowsignsofaleak,damageorthosethatlacklabelsandmarkings.4.1.4Priortoprocuringaninitialorderofpropane,usersgroupsshouldconductanassessment/reviewofpropaneuseandhandling.ThisshouldbeperformedasajointeffortwiththeEHSOffice,theEHSCoordinatorandtheusergroup.4.1.5Onlyminimumquantitiesshouldbeordered;avoidstorageofexcesscylinders.Usersshallonlyorderthequantityofgasneededtoconductthework,asrequired,fortheimmediatefuture.Usersshouldconsiderjustintime(JIT)delivery.Orderthesmallestsizecylindersappropriatefortheuse.ContacttheMITProcurementDepartmentorthegassupplierforinformationaboutcylindersizesandcapacities.4.1.6CylindersshallalwaysbelabeledPROPANE,markedasFLAMMABLEandtaggedtoindicatewhethertheyareFull,InService,orEmpty.Environment,Health&SafetyOfficeSOG#:EHS-0048Revision#:1.5ImplementationDate:02/06/06Page#:2of7LastReviewed/UpdateDate:5/20/13SOGOwner:BretDyerApproval:EHS:LouDiBerardinis,SP:PeterM.BochnakAnofficialhardcopyofthisdocumentexistsintheEHSOfficeorontheEHSwebsite.SeeLegalDisclaimerat:http://ehs.mit.edu/site/content/legal-disclaimer4.1.7Ifaleakisdetected,attempttoshutoffthesupplyatthesourceandevacuatethearea.Donotusephonesorlightswitchesinthevicinityoftheleak.Onceaway,callMITPolice(DIAL100.)4.1.8Donotdisposeofemptycylinders.ContacttheMITProcurementOfficeortheMITEHSOfficeforassistance.4.2Storag...