91 QUESTIONS WITH CORREC
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BOILINGf f POINTf f -f f CORRECTf f ANSWERf f -
Thef f temperaturef f atf f whichf f thef f vaporf f pressuref f off f af f liquidf f equalsf f thef f atmosphericf f press
uref f offfff14.7ffpoundsffperffsquareffinchff(psia)fforff760ffmmffofffmercury.ffWhereffaffboilingffpointffisffuna
vaif f lablef f forf f thef f materialf f inf f questionf f orf f forf f mixturesf f whichf f dof f notf f havef f af f constantf f b
oilingf f poinfft,f f forf f thef f purposesf f off f thisf f classification,f f thef f 20-
percentffevaporatedffpointffofffaffdistillationffperformedffinffaccordanceffwithffASTMffDff86ffshallffbeffus
edf f asf f thef f boilingf f pointf f off f thef f liquid.
CEILINGf f LIMITf f -f f CORRECTf f ANSWERf f -
Thef f maximumf f concentrationf f off f anf f airbornef f contaminantf f tof f whichf f onef f mayf f bef f exposedf f
shalfflf f bef f asf f establishedf f byf f thef f regulationsf f off f thef f Unitedf f Statesf f Departmentf f off f Labor,f f a
sf f setf f fortffhf f inf f 29f f CFRf f Partf f 1910.1000,f f orf f iff f notf f listedf f therein,f f thef f ceilingf f Recommende
df f Exposuref f Limffitf f (REL-
C)f f concentrationsf f publishedf f byf f thef f U.S.f f Nationalf f Institutef f forf f Occupationalf f Safetyf f andf f H
ealtffhf f (NIOSH),f f thef f Thresholdf f Limitf f Valuef f —f f Ceilingff(TLV-
C)f f concentrationsf f publishedf f byf f thef f Americanf f Conferencef f off f Governmentalf f Industrialf f Hygi
eniffstsf f (ACGIH),f f thef f ceilingf f Workplacef f Environmentalf f Exposuref f Levelff(WEEL-
Ceiling)f f Guidesf f publishedf f byf f thef f Americanf f Industrialf f Hygienef f Associationf f (AIHA),f f orf f otherf f aff
pprovedf f standard.
CHEMICALf f -f f CORRECTf f ANSWERf f -
Anf f element,f f chemicalf f compoundf f orf f mixturef f off f elementsf f orf f compoundsf f orf f both.
CHEMICALf f NAMEf f -f f CORRECTf f ANSWERf f -
Theffscientificffdesignationffofffaffchemicalffinffaccordanceffwithfftheffnomenclatureffsystemffdeveloffp
edf f byf f thef f Internationalf f Unionf f off f Puref f andf f Appliedf f Chemistry,f f thef f Chemicalf f Abstractsf f S
erviffceffrulesffofffnomenclature,fforffaffnameffthatffwillffclearlyffidentifyffaffchemicalffforfftheffpurposeffo
fffconductingf f anf f evaluation.
, CLOSEDf f CONTAINERf f -f f CORRECTf f ANSWERf f -
Af f containerf f sealedf f byf f meansf f off f af f lidf f orf f otherf f devicef f capablef f off f preventingf f thef f escapef
f off f liffquid,f f vaporf f orf f dustsf f inf f thef f ordinaryf f coursef f off f storage,f f handlingf f orf f use.
CONTAINERf f -f f CORRECTf f ANSWERf f -
Forf f solidf f andf f liquidf f hazardousf f materials,f f af f vesself f off f 60f f gallonsf f orf f lessf f inf f capacityf f usedf
f forf f sfftoragefforf f transportation.f f Forf f compressedf f gases,ffaf f cylinder,f f pressuref f vesself f orf f tankf f
designedffforf f pressuresf f greaterf f thanf f onef f atmospheref f atf f 68°F.f f Pipes,f f pipingf f systems,f f engi
nesf f andf f engiffnef f fuelf f tanksf f associatedf f withf f solidf f orf f liquidf f hazardousf f materialsf f orf f comp
ressedf f gases,f f shallffnotf f bef f deemedf f tof f bef f containersf f iff f inf f activef f use.
CONTAINMENTf f SYSTEMf f -f f CORRECTf f ANSWERf f -Af f gas-
tightf f recoveryf f systemf f comprisedf f off f devicesf f orf f equipmentf f which,f f whenf f placedf f overf f orf f ar
ounffdf f thef f portionf f off f thef f compressedf f gasf f containerf f thatf f isf f leaking,f f stopsf f orf f controlsf f t
hef f escapeffoff f gasfffromf f thef f container.
CONTAINMENTf f VESSELf f -f f CORRECTf f ANSWERf f -Af f gas-
tightf f vesself f which,f f whenf f installedf f orf f placedf f overf f orf f aroundf f af f leakingf f compressedf f gasf f c
ontaiffner,f f confinesf f thef f containerf f andf f thef f gasf f leakingf f theref f from.
CONTROLf f AREAf f -f f CORRECTf f ANSWERf f -
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ersffandffroofs,fforffaffcombinationffthereof,ffwhereffquantitiesffofffhazardousffmaterialsffnotffexceffedi
ngfftheffmaximumffallowableffquantitiesffperffcontrolffareaffareffstored,ffhandledfforffused,ffincluffdingf f
anyf f dispensing.
DESIGNf f PRESSUREf f -f f CORRECTf f ANSWERf f -
Thef f maximumf f gaugef f pressureffthatffaf f pressuref f vessel,f f device,f f componentfforf f systemf f isffdesi
gnffedf f tof f withstandf f safelyf f underf f thef f temperaturef f andf f conditionsf f off f use.