NRPP RADON MEASUREMENT TECHNICIAN AND PROFESSIONAL ACTUAL EXAM QUESTIONS WITH CORRECT ANSWERS 100% VERIFIED GRADED A+

NRPP RADON MEASUREMENT
TECHNICIAN AND PROFESSIONAL
ACTUAL EXAM QUESTIONS WITH
CORRECT ANSWERS 100% VERIFIED
GRADED A+
WhatmismthemEPAmactionmlevelmformRadon?m-mCORRECTmANSWERm4mpCi/L



Whatmismthemriskmofmsmokersmandmnon-smokersmgettingmlungmcancermfrommRadon?m-
mCORRECTmANSWERm62/1000msmokers



7/1000mnonmsmokers



WhatmdeterminesmthemriskmofmgettingmlungmcancermfrommRadon?m-
mCORRECTmANSWERmConcentrationmofmRadonmandmRDPsmandmLengthmofmExposure




HoemdoesmRadonmentermthemhome?m-
mCORRECTmANSWERmRadonmgasmmovesmthroughmthemgroundmduemtomairmpressuremdifferentialsmin


mthemhome,mandmupmintomthemhomemthroughmcracksmormothermopeningsminmthemfoundation.mCanma


lsomentermthroughmwellmwatermandmsomembuildingmmaterials.



Howmismradonmformed?m-mCORRECTmANSWERmDecaymofmUranium-238mintomRadium-
226mwithmthemreleasemofmalphamparticles,mfollowedmbymthemdecaymofmRadium-226mintomRn-
222mwithmthemreleasemofmalphamparticles



HowmdomwemknowmaboutmthemeffectsmofmRadon?m-
mCORRECTmANSWERmEpidemiologicalmstudiesmweremcompletedmonmlungmcancersminmworkers,mesp


eciallymminers.



Whatmaremthem4mRDPsmthatmRadonmdecaysminto?m-mCORRECTmANSWERmPolonium-218

,Lead-214

Bismuth-214

Polonium-214



Whatmismthemmostmcommonmformmofmamradonmmitigationmsystem?m-
mCORRECTmANSWERmActivemSoilmDepressurizationm(ASD)




TruemormFalsem-mRadonmlevelsmaremthemsameminmeachmhouse.m-mCORRECTmANSWERmFalse



Whymaremradonmconcentrationsmhigherminmthemwinter?m-
mCORRECTmANSWERmHousesmareminmclosedmconditions,mwhichmincreasesmRadonmconcentrations




WhichmRDP(s)mdamagemthemlungs?m-mCORRECTmANSWERmPolonium-214mandmPolonium-218



TruemormFalsem-mTheremaremnomhealthmrisksmifmRadonmconcentrationsmarembelowm4mpCi/L.m-
mCORRECTmANSWERmFalse




WhatmismthemOSHAmOccupationalmRadonmExposuremLevelmformadultsminmam40mhourmworkmweek?m-
mCORRECTmANSWERm100mpCi/Lmorm12mWLM/YearmRDPmcumulativemexposuremform1mworkingmyear




Whatmaremthemrequirementsmbeforemconductingmamshort-termmradonmtest?m-
mCORRECTmANSWERm1.mClosedmbuildingmconditionsmformatmleastm12mhoursmprior



2.mIndoormtemperaturemmustmbem65-80°F

*Requirementsmandmtestingmprotocolmmustmbemtoldmtomhomeownermpriormtomstartingmthemtestmw
henmpossible

*Maymwantmamnon-interferencemagreementmwithmhomeowner

*Requestmpostingm"RadonmTestminmProgress"

, Howmlongmcanmamshort-termmradonmtestmbemdeployed?m-mCORRECTmANSWERm46mhours-
90mdays,moptimalmtimemism48mhours



Whatmismthempurposemofmamshort-termmradonmtest?m-
mCORRECTmANSWERmQuicklymidentifymampotentialmradonmhazard




Whatmismsimultaneousmshort-termmtesting?m-
mCORRECTmANSWERmRunningmtwomtestsmatmthemsamemtime,maveragemthemresultsmtomdeterminemifm


mitigationmismrequired



Whatmismsequentialmshort-termmtesting?m-mCORRECTmANSWERm1.mConductmamsinglemshort-
termmradonmtest

m-
mIfm4mpCi/Lmormhigher,mretestmrightmawaymusingmamshortmtermmtestmandmthenmaveragembothmresultsm


tommakemammitigationmdecision.m

-mIfmbetweenm4-7.9mpCi/Lmamshortmormlong-
termmtestmmaymbemusedmformthemsecondmtest,mthenmaveragembothmresultsmtommakemammitigationmd
ecision.



HowmoftenmmustmamCRMmreadmthemradonmlevels?m-mCORRECTmANSWERmHourly



Whatmdoesmclosed-buildingmconditionsmmean?m-mCORRECTmANSWERm1.mAllmwindowsmaremclosed

2.mAllmexteriormdoorsmaremclosed,mexceptmnormalmentrymandmexit

3.mHeating/coolingmsystemsmmustmbematmnormalmoccupiedmconditionsm(65-80°F)

4.mVentilationmwithmoutdoormairmmustmbemsetmtomlowestmpossiblemventilationmconditions

5.mNomoperationmofmwhole-housemfansmormfireplaces

6.mAvoidmexcessivemoperationmofmclothesmdryers,mrangemhoods,mandmbathroommfans

7.mDomnotmblowmfansmdirectlymatmdevice