Correct Answers
WhatAisAtheAadjustedATLVAforAmethanolAforAanAoperationAinAwhichAtheAemployeesAwillAwo
rkAfourA10-
hourAshiftsAperAworkAweek?ATheAunadjustedATLVAforAmethanolAisA200Appm.AUseAtheABrief
AandAScalaAmodelAforAadjustingAtheATLV.A-AAnswerA140ppm
AAwelderAusesAaAragAsaturatedAwithAtrichloroethyleneAtoAcleanAtwoApiecesAofAmildAsteelAi
mmediatelyAbeforeAjoiningAthemAtogetherAusingAaA"stickAwelding"Aprocess.ABesidesAmetalAfu
mes,AwhatAairAcontaminantAisAlikelyAtoAbeAproducedAinAhazardousAconcentrationsAduringAth
eAweldingAprocess?A-AAnswerAPhosgene
NitrogenAdioxideAisAa:A-AAnswerAdeepAlungAirritant
UncontrolledAexposureAtoAanyAofAtheAcoldAsterilantsAlistedAbelowAcanAcauseAintenseAeyeAa
ndAmucousAmembraneAirritationAatAveryAlowAconcentrations.AWhichAagentAisAassociatedAwit
hAanAincreasedAincidenceAofAnasalAcancer?A-AAnswerAFormaldehyde
WhatAisAtheAcaptureAvelocityAatAaApointAthatAisAlocatedA18AinchesAawayAfrom,AandAdirectly
AinAfrontAof,AtheAopeningAofAaArectangularAflangedAhoodAwithAdimensionsAofA2AinchesAwid
eAbyA12AinchesAlongAwhenAtheAairAflowAservicingAtheAhoodAisA585Acfm.A-
AAnswerA160Afpm
AAplanAspecifiesAcontinuousAoperationAofAaA6-
bladeAaxialAfanAatA7,500ARPM.AWhatAisAtheApure-
toneAfrequencyAthatAwillAbeAproducedAbyAtheAfanAwhenAinAoperation?A-AAnswerA750AHz
ExposureAtoAwhichAsubstanceAisAassociatedAwithAanAincreasedAincidenceAofAacuteAmyeloidAl
eukemia?A-AAnswerAbenzene
AAsmallAearthquakeAcausesAaAbottleAcontainingA250AmLAofAbenzeneA(MWA=A78.11Ag/mol,AS
GA=A0.8765)AtoAfallAtoAtheAfloorAinAaAsmall,Aunventilated,AandAclosedAstorageAarea.ATheAb
ottleAshattersAandAtheAcontentsAcompletelyAevaporate.ATheAroomAdimensionsAareA10'A(W)Ax
A20'A(L)AxA10'A(H).ATheAroomAisAatAnormalAtemperatureAandApressure.AAssumingAnoAleakag
eAorAventilationAofAtheAspace,AwhatAwillAbeAtheAworst-
caseAairborneAconcentrationAofAbenzene?A-
AAnswerA6.24Ax10^7(VsAxArhoAxAT)/PatmAxAVroomAxAMW