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WATER OPERATOR CERTIFICATION STUDY MATERIAL ( NEW MEXICO) QUESTIONS AND ANSWERS

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WATER OPERATOR CERTIFICATION STUDY MATERIAL ( NEW MEXICO) QUESTIONS AND ANSWERS

Institution

New Mexico Water Operator Certification

Course

New Mexico Water Operator Certification

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WATER OPERATOR CERTIFICATION
STUDY MATERIAL ( NEW MEXICO)
QUESTIONS AND ANSWERS

What00is00MCL?00-00ans-Maximum00Contaminent00Level00(MCL)

A00public00water00system00is00any00system00that00serves00a00population00greater00that00or00eq
ual00to00?00-00ans-1500services00connections00or002500people00regulary

What00is00the00Maximum00total00chlorine00residual00allowed00by00the00Disinfectant-
Disinfection00By-Prouducts00Rule00-00ans-400mg/l

What00type00of00contaminant00is00Iron?00-00ans-Secondary

Which00Primary00Contaminant00is00sometimes00added00to00water00supplies00to00prevent00too
th00decay?00-00ans-Fluoride

The00Failure00of00a00public00water00system00to00comply00with00the00NM00Drinking00Water00Re
gulations00must00be00reported00to00NMED00within?00-00ans-4800hours

The00MCl00for00Total00Trihalomethanes00is?00-00ans-0.1mg/l

SDWA00sampling00results00must00be00reported00to00?00-00ans-
New00Mexico00Enviroment00Department00(NMED)

Ground00water00systems00must00sample00for00inorganic00chemicals00every?00-00ans-
(3)00Three00Years

The00SDWA00Compliance00Cycle00for00Standardized00Monitoring00Rule00consists00of00Three
?00-00ans-Compliance00Periods

How00many00bacterilogical00samples(BAC-
T)00must00be00taken00every00month00before00a00system00is00allowed00to00have00TWO00positiv
e00samples00without00violating00the00drinking00water00standard?00-00ans-
4000or00less00then005%00on00monthly00samples

What00are00the00action00levels00for00Lead00and00Copper?00-00ans-
0.01500mg/l00Lead001.300mg/l00Copper

, If00Bacteriological00retakes00are00done00this00month00what00is00the00minimum00number00of00s
amples00that00must00be00turned00in00next00month?00-00ans-500samples

if00a003-
log00removal00is00required00for00Giardia00Lamblia00what00percentage00of00organisms00can00s
urvive00and00still00meet00requirements00?00-00ans-0.100%

which00Primary00Inorganic00Contaminant00poses00an00immediate00health00risk?00-00ans-
Nitrates

Why00do00Nitrates00poses00immediate00health00risk?00-00ans-
Pregnant00mothers00and00infants00under001800months00can00develop00a00condition00known00
as00Blue00Baby00Syndrome

What00is00Blue00Baby00Syndrome?00-00ans-
The00Presence00of00Nitrates00in00the00bloodstream00that00reduces00oxygen00uptake00that00giv
es00the00skin00a00blue00tint

Why00is00Turbidity00a00Primary00Contaminant?00-00ans-
It00shields00harmful00bacteria00from00disinfection00processes

What00is00a00Nephelometer?00-00ans-Device00used00to00measure00NTU's

Turbidity00is00Measured00with?00-00ans-Turbidimeter00or00Nephelometer

How00Long00must00chemical00sampling00results00be00kept?00-00ans-1000Years

How00long00must00Bacteriological00sampling00results00be00kept?00-00ans-500years

What00is00the00definitioin00of00a00indicator00organism?00-00ans-
microorganisms00whose00presence00in00water00indicates00probable00presence00of00pathoge
ns00(disease-causing00organisms).

What00is00Sodium00Thiosulphate?00-00ans-
white00powder00used00to00Neutralize00any00chlorine00that00may00kill00bacteria

Why00should00you00Flush00sample00line00before00sampling?00-00ans-
To00insure00the00water00being00sampled00is00from00the00main00and00not00the00customers00plu
mbling

Which00factor00is00used00to00determine00how00many00Bac-t00samples00must00be00taken?00-
00ans-Number00of00people00served

What00is00the00minimim00number00of00Bac-T00sample(s)00required00each00month?00-00ans-1

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WATER OPERATOR CERTIFICATION STUDY MATERIAL ( NEW MEXICO) QUESTIONS AND ANSWERS

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