WASTEWATER CLASS 2 OHIO ABC PART
1 QUESTIONS AND CORRECT ANSWERS
MostA2importantA2factorA2inA2preventingA2accidentsA2atA2aA2wastewaterA2plant?A2-A2Ans--
AttitudeA2ofA2theA2employees.
PlantA2influentA2appearsA2blackA2andA2hasA2aA2foulA2odorA2eachA2morning.A2TheA2causeA2i
sA2tracedA2toA2aA2pumpA2stationA2atA2aA2subdivisionA2whichA2isA2oversizedA2forA2theA2curre
ntA2numberA2ofA2homesA2inA2theA2subdivision.A2WhatA2correctiveA2actionA2canA2youA2take
?A2-A2Ans--
DecreaseA2theA2distanceA2betweenA2theA2onA2andA2offA2probesA2inA2theA2wetA2well.
WhichA2ofA2theA2followingA2bestA2describesA2theA2termA2"publicA2relations"?A2-A2Ans--
AllA2contactsA2betweenA2theA2staffA2ofA2theA2utilityA2andA2thoseA2outsideA2theA2staff.
WhatA2isA2aA2crossA2connection?A2-A2Ans--
ResultA2ofA2wastewaterA2comingA2intoA2contactA2withA2potableA2water.
WhyA2isA2itA2recommendedA2thatA2approvedA2backflowA2preventionA2devicesA2beA2installe
dA2aboveA2gradeA2level?A2-A2Ans--
ToA2preventA2theA2reliefA2portA2ofA2theA2deviceA2fromA2everA2becomingA2submerged.
YourA2plant'sA2dischargeA2permitA2requiresA2thatA2effluentA2suspendedA2solidsA2beA2teste
dA23A2daysA2perA2week.A2YouA2testA2fiveA2samplesA2perA2week.A2WhatA2shouldA2youA2repo
rt?A2-A2Ans--AllA2fiveA2results.
AtA2aA2minimum,A2howA2oftenA2shouldA2contactA2listsA2onA2emergencyA2responseA2plansA2
beA2verified?A2-A2Ans--Quarterly.
AccordingA2toA2theA2CodeA2ofA2FederalA2RegulationsA2theA2termA2"SignificantA2IndustrialA2
User"A2includes.A2-A2Ans--AA2non-
domesticA2dischargerA2thatA2dischargesA2overA225,000A2gallonsA2perA2dayA2ofA2processA2
wastewaterA2orA2isA2subjectA2toA2specificA2federalA2pretreatmentA2standards.
WhatA2documentA2isA2usedA2toA2evaluateA2compliancesA2withA2personalA2protectiveA2equi
pmentA2guidelines?A2-A2Ans--OccupationalA2SafetyA2andA2HealthA2Standards.
WhichA2termA2describesA2theA2calculatedA2amountA2byA2whichA2theA2valueA2ofA2aA2utility'sA
2physicalA2propertyA2declinesA2annuallyA2atA2aA2predeterminedA2rate?A2-A2Ans--
Depreciation.
, AccordingA2toA240A2CFR,A2aA2dischargeA2toA2aA2municipalA2separateA2stormA2sewerA2syst
emA2thatA2isA2composedA2ofA2stormA2waterA2mixedA2withA2industrialA2wasteA2isA2definedA2
byA2EPAA2asA2a(n)?A2-A2Ans--IllicitA2discharge.
TheA2mainA2detrimentalA2effectA2infiltration/inflowA2hasA2onA2plantA2performanceA2isA2to.A2-
A2Ans--CutA2downA2theA2hydraulicA2detentionA2time.
WhichA2ofA2theA2followingA2explainsA2howA2toA2handleA2aA2chlorineA2release?A2-A2Ans--
EmergencyA2responseA2plan
WhichA2ofA2theA2followingA2isA2theA2mostA2significantA2problemA2inA2usingA2theA2activatedA
2sludgeA2processA2toA2treatA2seasonalA2canneryA2waste?A2-A2Ans--NutrientA2imbalance
AnA2autoA2flowA2proportionalA2chlorinationA2systemA2isA2workingA2properly.A2HoweverA2inA
2theA2morningA2hoursA2whenA2theA2flowA2isA2increasing,A2theA2operatorA2isA2unableA2toA2o
btainA2aA2chlorineA2residual.A2WhatA2isA2causingA2theA2problem?A2-A2Ans--
NitritesA2inA2theA2effluent.
ToA2achieveA2anA2overallA2threatA2ratingA2forA2aA2specificA2emergencyA2event,A2aA2wastew
aterA2utilityA2shouldA2considerA2theA2frequencyA2ofA2pastA2occurrences,A2theA2probabilityA2
ofA2futureA2occurrences,A2andA2-A2Ans--MagnitudeA2ofA2impact.
Uniforms,A2i.d.,A2andA2systemA2logosA2onA2wastewaterA2systemA2vehiclesA2areA2criticalA2c
omponentsA2ofA2-A2Ans--publicA2awarenessA2andA2securityA2program
FirstA2stepA2inA2solvingA2odorA2problemA2atA2plant?A2-A2Ans--
MakeA2anA2onsiteA2inspection.
ComprehensiveA2accidentA2reportA2mustA2beA2postedA2forA2reviewA2byA2allA2employeesA2o
nceA2perA2-A2Ans--Year
DeliveryA2ofA2treatmentA2chemicalsA2andA2materialsA2canA2poseA2aA2securityA2risk.A2Whic
hA2ofA2theA2followingA2isA2theA2bestA2wayA2toA2reduceA2aA2treatmentA2plant'sA2vulnerability
?A2-A2Ans--MatchA2allA2deliveredA2goodsA2withA2manifestA2andA2purchaseA2order.
TheA2NPDESA2permitA2requiresA2anA2openA2channelA2flowA2measurementA2systemA2toA2p
rovideA2anA2accuracyA2ofA2noA2worseA2thanA2-A2Ans--plusA2orA2minusA210%
AA2plantA2seeksA2adviceA2toA2prepareA2aA2newA2ordinanceA2toA2theA2useA2ofA2sewers,A2wh
ichA23A2itemsA2haveA2theA2mostA2impactA2onA2theA2operationA2ofA2theA2facility?A2-A2Ans--
TheA2amountA2ofA2flow,A2strengthA2ofA2wastewater,A2andA2theA2toxicityA2ofA2theA2wastewat
er.
usualA2firstA2stepA2inA2strategicA2planningA2forA2wastewaterA2utilities?A2-A2Ans--
SettingA2goalsA2andA2objectives.
1 QUESTIONS AND CORRECT ANSWERS
MostA2importantA2factorA2inA2preventingA2accidentsA2atA2aA2wastewaterA2plant?A2-A2Ans--
AttitudeA2ofA2theA2employees.
PlantA2influentA2appearsA2blackA2andA2hasA2aA2foulA2odorA2eachA2morning.A2TheA2causeA2i
sA2tracedA2toA2aA2pumpA2stationA2atA2aA2subdivisionA2whichA2isA2oversizedA2forA2theA2curre
ntA2numberA2ofA2homesA2inA2theA2subdivision.A2WhatA2correctiveA2actionA2canA2youA2take
?A2-A2Ans--
DecreaseA2theA2distanceA2betweenA2theA2onA2andA2offA2probesA2inA2theA2wetA2well.
WhichA2ofA2theA2followingA2bestA2describesA2theA2termA2"publicA2relations"?A2-A2Ans--
AllA2contactsA2betweenA2theA2staffA2ofA2theA2utilityA2andA2thoseA2outsideA2theA2staff.
WhatA2isA2aA2crossA2connection?A2-A2Ans--
ResultA2ofA2wastewaterA2comingA2intoA2contactA2withA2potableA2water.
WhyA2isA2itA2recommendedA2thatA2approvedA2backflowA2preventionA2devicesA2beA2installe
dA2aboveA2gradeA2level?A2-A2Ans--
ToA2preventA2theA2reliefA2portA2ofA2theA2deviceA2fromA2everA2becomingA2submerged.
YourA2plant'sA2dischargeA2permitA2requiresA2thatA2effluentA2suspendedA2solidsA2beA2teste
dA23A2daysA2perA2week.A2YouA2testA2fiveA2samplesA2perA2week.A2WhatA2shouldA2youA2repo
rt?A2-A2Ans--AllA2fiveA2results.
AtA2aA2minimum,A2howA2oftenA2shouldA2contactA2listsA2onA2emergencyA2responseA2plansA2
beA2verified?A2-A2Ans--Quarterly.
AccordingA2toA2theA2CodeA2ofA2FederalA2RegulationsA2theA2termA2"SignificantA2IndustrialA2
User"A2includes.A2-A2Ans--AA2non-
domesticA2dischargerA2thatA2dischargesA2overA225,000A2gallonsA2perA2dayA2ofA2processA2
wastewaterA2orA2isA2subjectA2toA2specificA2federalA2pretreatmentA2standards.
WhatA2documentA2isA2usedA2toA2evaluateA2compliancesA2withA2personalA2protectiveA2equi
pmentA2guidelines?A2-A2Ans--OccupationalA2SafetyA2andA2HealthA2Standards.
WhichA2termA2describesA2theA2calculatedA2amountA2byA2whichA2theA2valueA2ofA2aA2utility'sA
2physicalA2propertyA2declinesA2annuallyA2atA2aA2predeterminedA2rate?A2-A2Ans--
Depreciation.
, AccordingA2toA240A2CFR,A2aA2dischargeA2toA2aA2municipalA2separateA2stormA2sewerA2syst
emA2thatA2isA2composedA2ofA2stormA2waterA2mixedA2withA2industrialA2wasteA2isA2definedA2
byA2EPAA2asA2a(n)?A2-A2Ans--IllicitA2discharge.
TheA2mainA2detrimentalA2effectA2infiltration/inflowA2hasA2onA2plantA2performanceA2isA2to.A2-
A2Ans--CutA2downA2theA2hydraulicA2detentionA2time.
WhichA2ofA2theA2followingA2explainsA2howA2toA2handleA2aA2chlorineA2release?A2-A2Ans--
EmergencyA2responseA2plan
WhichA2ofA2theA2followingA2isA2theA2mostA2significantA2problemA2inA2usingA2theA2activatedA
2sludgeA2processA2toA2treatA2seasonalA2canneryA2waste?A2-A2Ans--NutrientA2imbalance
AnA2autoA2flowA2proportionalA2chlorinationA2systemA2isA2workingA2properly.A2HoweverA2inA
2theA2morningA2hoursA2whenA2theA2flowA2isA2increasing,A2theA2operatorA2isA2unableA2toA2o
btainA2aA2chlorineA2residual.A2WhatA2isA2causingA2theA2problem?A2-A2Ans--
NitritesA2inA2theA2effluent.
ToA2achieveA2anA2overallA2threatA2ratingA2forA2aA2specificA2emergencyA2event,A2aA2wastew
aterA2utilityA2shouldA2considerA2theA2frequencyA2ofA2pastA2occurrences,A2theA2probabilityA2
ofA2futureA2occurrences,A2andA2-A2Ans--MagnitudeA2ofA2impact.
Uniforms,A2i.d.,A2andA2systemA2logosA2onA2wastewaterA2systemA2vehiclesA2areA2criticalA2c
omponentsA2ofA2-A2Ans--publicA2awarenessA2andA2securityA2program
FirstA2stepA2inA2solvingA2odorA2problemA2atA2plant?A2-A2Ans--
MakeA2anA2onsiteA2inspection.
ComprehensiveA2accidentA2reportA2mustA2beA2postedA2forA2reviewA2byA2allA2employeesA2o
nceA2perA2-A2Ans--Year
DeliveryA2ofA2treatmentA2chemicalsA2andA2materialsA2canA2poseA2aA2securityA2risk.A2Whic
hA2ofA2theA2followingA2isA2theA2bestA2wayA2toA2reduceA2aA2treatmentA2plant'sA2vulnerability
?A2-A2Ans--MatchA2allA2deliveredA2goodsA2withA2manifestA2andA2purchaseA2order.
TheA2NPDESA2permitA2requiresA2anA2openA2channelA2flowA2measurementA2systemA2toA2p
rovideA2anA2accuracyA2ofA2noA2worseA2thanA2-A2Ans--plusA2orA2minusA210%
AA2plantA2seeksA2adviceA2toA2prepareA2aA2newA2ordinanceA2toA2theA2useA2ofA2sewers,A2wh
ichA23A2itemsA2haveA2theA2mostA2impactA2onA2theA2operationA2ofA2theA2facility?A2-A2Ans--
TheA2amountA2ofA2flow,A2strengthA2ofA2wastewater,A2andA2theA2toxicityA2ofA2theA2wastewat
er.
usualA2firstA2stepA2inA2strategicA2planningA2forA2wastewaterA2utilities?A2-A2Ans--
SettingA2goalsA2andA2objectives.