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OSSF INSTALLER 2 Exam Questions And Correct Answers (Verified Answers) 2026/2027

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OSSF INSTALLER 2 Exam Questions And Correct Answers (Verified Answers) 2026/2027

Institution
OSSF
Course
OSSF

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OSSF INSTALLER 2 Exam Questions And
Correct Answers (Verified Answers)

The primary threat from malfunctioning OSSF systems is - CORRECT ANSWER -water born
disease



Wastewater disposalH1andH1OSSFH1systemsH1areH1regulatedH1inH1orderH1toH1protectH1-
H1CORRECTH1ANSWERH1-PublicH1healthH1andH1environment




AH1______H1isH1aH1disease-causingH1microorganismH1-H1CORRECTH1ANSWERH1-Pathogen



AH1groundwaterH1chemicalH1contaminantH1thatH1canH1resultH1fromH1septicH1tanksH1andH1leachfieldsH1isH1
whichH1canH1cause_____inH1infantsH1-H1CORRECTH1ANSWERH1-
NitratesH1andH1methoemoglobinmia


StatewideH1regulationH1ofH1OSSFH1beganH1inH1-H1CORRECTH1ANSWERH1-1989H1Sept



TheH1stateH1agencyH1responsibleH1forH1regulatingH1OSSFH1isH1-H1CORRECTH1ANSWERH1-TECQ


TheH1desiredH1methodH1orH1levelH1ofH1OSSFH1regulationH1inH1TexasH1isH1_______regulationH1-
H1CORRECTH1ANSWERH1-Local




pHH1measuresH1whetherH1wastewaterH1isH1______\or_________H1-H1CORRECTH1ANSWERH1-
AcidityH1Basicity



ListH1sixH1diseasesH1thatH1mightH1beH1transmittedH1byH1inadequatelyH1treatedH1sewageH1.H1-
H1CORRECTH1ANSWERH1-TyphoidH1ParatyphoidH1PolioH1meningitisH1HepatitisH1Cholera

, IdentifyH1theH1followingH1termsH1TSSH1DOH1BODH1-H1CORRECTH1ANSWERH1-
TotalH1SuspendedH1solidsH1

DissolvedH1OxygenH1

BiochemicalH1oxygenH1demand



IdentifyH1theH1mostH1commonH1chemicalH1elementsH1ofH1sewageH1-H1CORRECTH1ANSWERH1-SolidsH1

GasesH1
FatsH1andH1greasesH1

DOH1
BODH1

PH



WhatH1isH1theH1criteriaH1thatH1canH1beH1usedH1toH1determineH1ifH1aH1subsurfaceH1OSSFH1systemH1isH1functi
oningH1properlyH1?H1-H1CORRECTH1ANSWERH1-TheH1PlumbingH1systemH1mustH1drainH1

NoH1WaterH1isH1surfacingH1orH1poolingH1aboveH1groundH1

ThereH1areH1noH1odorsH1
TheH1wasteH1waterH1mustH1receiveH1nearlyH1completeH1treatment



ListH1theH1soilH1treatmentH1mechanismsH1importantH1inH1treatingH1wastewaterH1-
H1CORRECTH1ANSWERH1-filteringH1orH1strainingH1



AdsorptionH1

Biological



TheH1isH1authorizedH1toH1reviewH1permitH1applicationsH1,H1siteH1evaluationsH1,H1planningH1materialsH1an
dH1conductH1inspectionsH1ofH1OSSFsH1.H1

aH1.H1installerH1

bH1.H1siteH1evaluatorH1
cH1.H1maintenanceH1technicianH1

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OSSF

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