NEW IICRC WRT EXAM 3 LATEST UPDATED VERSIONS (VERSION A AND B) ACTUAL EXAM COMPLETE 250 QUESTIONS AND WELL ELABORATED ANSWERS (VERIFIED ANSWERS) NEWEST UPDATED VERSION

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1. Woodgrotgcangoccurgatgwhichgpercentgofgmoisturegcontent?g-
gcorrectganswerg-gAboveg20%




2. Whatgisgthegdefinitiongofgwatergactivityg(aw)?g-gcorrectganswerg-
gthegamountgofgfreegwatergavailablegongthegboundaryglayergofgagsubs

trateg(surface)gforgmicrobialgamplication




3. Whatgmoisturegmeasurementgisgcomparablegtogwatergactivityg(aw)?g-
gcorrectganswerg-gEquilibriumgRelativegHumidityg(ERH)




4. Whatgisgthegsequenceg(order)gofgproceduresgingagmicrobialgremediationgp
roject?g-gcorrectganswerg-gidentificationg/gcorrectiongofgmoisturegproblem
//gisolationgofgworkgareagandgHVACgregistersg//gairgflowgmanagementg(negati
vegair)g//gdemolitiongandgremovalgofgporousgmaterialsg//gcleaninggofgremainin
ggmaterialsg//gdeepgcleaninggofgallgsurfacesgingworkgareag//gpostgremediationg
"clearance"gtestingg//greconstruction

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5. Whatgtypegofgpolyethylenegsheetinggshouldgbegusedgforgcontainments?g-
gcorrectganswerg-g4-

6gmilgwithgmediumgslipgfactor,gandghasgtogbegatg25gorgbettergflamegretard
ant




6. Whatgaregpre-existinggconditions?g-gcorrectganswerg-
gThingsgthatgexistgbeforegwegenteredgthegbuildingg(forgexample,gbroke

ngceilinggtileghasgnothinggtogdogwithgwatergdamage)




7. NamegSourcegContainmentgMethodsg-gcorrectganswerg-
gsourcegcontainmentgaregusedgforgsmallgorgminimalgareasgofgmicrobialggr

owthg//ggoesgdirectlygtogthegsourceg//gcangbegusedginglocalgorgfullgcontain
mentg//gplacinggpolygorgcarpetgtackgmatgovergmoldlygmaterialgpriorgtogrem
ovalgORgplacinggagceilinggtilegingagplasticgbagg//gHEPAgvacuuminggorgda
mpgwipinggofgthegworkgareagasgneededg//gthisgisgusedgifgyoughavegchecke
dgongthegothergsidegandgnothinggelsegisgdone...gthisgisgit...




8. Whatghappensgtogthegsporegcountsgduringgdemolition?g-gcorrectganswerg-
gGoesgupgandgcreatesgconditiong2




9. Whatgisgthegbestgslipgfactorgforgpoly?g-gcorrectganswerg-gMediumgslip




10. WhatgdogwegdogwithgHVACgsystemgandgvents?g-gcorrectganswerg-
gCovergitgup

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11. Whatgisgthegbestgslipgfactorgforgpoly?g-gcorrectganswerg-
grecommendedgminimumgpressuregdifferentialgofg-

0.02ginchgofgwaterggaugeg(w.g.)gORg-5gPascalg(Pa)




12. Workgareasgareg
pressurizedgingrelationshipgtogsurroundinggunaffectedgareas.g-
gcorrectganswerg-gnegative




13. CLeangareasgshouldgbeg
pressurizedgingrelationshipgtogthegaffectedgareas.g-gcorrectganswerg-
gPositive




14. Duringgagmicrobialgremediation,gairgflowgshouldgalwaysgbegfromga
areagtogag area.g-gcorrectganswerg-gCleangtogdirty




15. Whatgdeterminesgthegnumbergofgdecongchambersgingagmicrobialg
remediationgproject?g-gcorrectganswerg-gThegsizegandgkindgofgthegjob


16. Inggeneral,gwhichgremediationgguidelines/standardsgshouldgagrem
ediatorgbegfamiliargwith?g-gcorrectganswerg-
gS500g(Water)g//gS520g(Mold)g//gNYgCitygGuidelines




17. Thegindustrygstandardgofgcaregdocumentgforgmoldgremediationgcontrac
torsgis...?g-gcorrectganswerg-
gS520gStandardgforgProfessionalgMoldgRemediation

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18. Whatgdoesg"normalgfungalgecology"gmean?g-gcorrectganswerg-
gConditiong1g//gNormalgorguncontaminatedgbuildinggorgitemsg//gIndoorge

nvironmentgthatgmayghavegsettledgspores,gfungalgfragmentsgwhosegide
ntity;glocationgandgquantitygaregreflectivegofgagnormalgfungalgecologygfor
gagsimilargindoorgenvironmentg//gnogtreatmentgnecessary




19. DescribegagConditiong2g-gcorrectganswerg-
gIndoorgenvironmentgwhichg isg primarilygcontaminatedgwithgsettledgspores

gthatgweregdispersedgdirectlygorgindirectlygfromgagconditiong3gareag//gSpor

esglandedgongindoorgsurfacesgorgaregsuspendedgingthegairgbutgaregnotgacti
velyggrowingg//gHEPAgvacuuminggorgdampgwiping




20. DescribegagConditiong3g-gcorrectganswerg-
gIndoorgenvironmentgcontaminatedgwithgthegpresencegofgactualgmoldggro

wthgandgassociatedgsporesg//gActualggrowthgincludesggrowthgthatgisgactiv
egorgdormant,gvisiblegorghidden




21. Dogyougfindgsettledgsporesgingindoorgenvironmentsgwithgno
gcomplaints?g-gcorrectganswerg-gYes




22. Whatgareg"settledgspores"gaccordinggtogthegS520?g-gcorrectganswerg-
gCONDITIONg2g(SETTLEDgSPORESgHAVEgANgUNUSUALgDISTRIBU

TION)