Updated 2026
Mist/FogAparticleAsizeA-AAnswerA5-100Aum
SmokeAparticleAsizeA-AAnswerAlessAthanA1Aum
FumeAparticleAsizeA-AAnswerAlessAthanA1AumA(tendAtoAagglomerateAintoAclusters)
BreathingAZoneA-AAnswerANEWA-AhemisphereAforwardAofAsholdersAwithAaAradiusAofA6-9"
OLDA-A2'AdiameterAsphereAcenteredAonAhead
SystematicAErrorA-AAnswerACorrectableAerrorA-
AmalfunctionAofAsampler,Ainstrument,AorAoperatorA-AaffectsAaccurancyA(notAprecision)
RandomAErrorA-AAnswerAUnknown/uncontrollableAerrorA-
ArandomAfluctuationsAofAequipment/procedureA-AaffectsAprecision
ActivatedACharcoalA-AAnswerAorganicAvapors
SilicaAGelA-AAnswerApolarAandAhigh-boilingAorganics/inorganics
PorousAPolymersA(XAD,ATenax)A-AAnswerAorganicAvapors
MolecularASieves,AAluminaAGelA-AAnswerApolarAvapors
AdsorptionA-
AAnswerAoneAsubstanceAjustAhangsAontoAtheAoutsideAofAanother.AThinkAofApeopleAholdingA
ontoAaAcarAtrolleyAwithAoneAhandAandAleaningAoffAtheAside
AbsorptionA-
AAnswerAoneAsubstanceAentersAcompletelyAintoAanother.AThinkAofApeopleAwalkingAintoAand
AsittingAdownAinAaAcarAtrolley.
, SolventADesorptionAEfficiencyA(NIOSH)A-AAnswerAgreaterAthanA75%
SpectrophotometersA-AAnswerAIRA-AMIRAN,AsimpleAorganicAvaporAmixtures,AFTIR
UVA-AHgAdetetor
VisA-AHalideAmeterA(halogenAcompounds)
IonizationADetectorsA-AAnswerAFIDA-A(flame)AgeneralAhydrocarbon
PIDA-A(photo)AsensitiveAforAaromaticAHC,A9-12AeV
CatalyticACombustionA-AAnswerALELAmeterA-AheatedAwireA-ApercentAlevelAdetectionA-
AneedsAO2
ElectrochemicalACellsA-AAnswerAgoodAforAreactiveAinorganicsA(O2,AO3,ANOx,ASO2,ACO)
FlameAPhotometricADetectorsA-AAnswerAgoodAforAsulfurAcontainingAcompounds
GasAChromatographyA-AAnswerAusesAvariousAdetectorsA-
AFID,APID,AFPD,AECDA(electronAcaptureA-AchlorinatedAorAbrominatedAorganics)
NitrousAOxideA-AAnswerATedlarABag,APortableAIR
BenzeneA-AAnswerATedlarAbag,AGC-PID
VinylAChlorideA-AAnswerACharcoalAtube
KetonesA-AAnswerACharcoalAtube
AromaticAHydrocarbonsA-AAnswerACharcoalAtubeA(PID)
AromaticAAminesA-AAnswerASilicaAGelAtube