WATER OPERATOR CERTIFICATION STUDY MATERIAL (
NEW MEXICO) (BASIC) EXAM QUESTIONS COMPLETE
WITH 100% CORRECT ANSWERS
\.Maximum Contaminent Level - ANSWERS-MCL
\.Public water system is a system that serves a population of ___ or
more regularly - ANSWERS-25
\.Maximum total chlorine residual ___ mg/l - ANSWERS-4
\.What type of contaminant is Iron - ANSWERS-Secondary
\.Primary contaminant is sometimes added to water supplies to prevent
tooth decay - ANSWERS-Fluoride
\.The Failure of a public water system to comply with the NM Drinking
Water Regulations must be reported to NMED within ___ hours -
ANSWERS-48
\.MCL for Total Trihalomethanes ___ mg/l - ANSWERS-0.1
,\.SDWA sampling results must be reported to - ANSWERS-New Mexico
Enviroment Department (NMED)
\.Ground water systems must sample for inorganic chemicals every ___
years - ANSWERS-3
\.The SDWA Compliance Cycle for Standardized Monitoring Rule
consists of ___ Compliance Periods - ANSWERS-3
\.___ or less than 5% bacteriological samples must be taken every
month before a system is allowed to have TWO positive samples
without violating the drinking water standard? - ANSWERS-40
\.Action level for Lead ___ mg/l - ANSWERS-0.015
\.If Bacteriological retakes are done this month what is the minimum
number of samples that must be turned in next month? - ANSWERS-5
\.if a 3-log removal is required for Giardia Lamblia what percentage of
organisms can survive and still meet requirements - ANSWERS-0.1
, \.Primary Inorganic Contaminant poses an immediate health risk -
ANSWERS-Nitrates
\.The Presence of Nitrates in the bloodstream that reduces oxygen
uptake that gives the skin a blue tint - ANSWERS-Blue Baby Syndrome
\.Primary Contaminant that shields harmful bacteria from disinfection
processes - ANSWERS-Turbidity
\.Device used to measure NTU's - ANSWERS-Nephelometer
\.Turbidity is Measured with - ANSWERS-Turbidimeter or Nephelometer
\.Chemical sampling results be kept ___ years - ANSWERS-10
\.Bacteriological sampling results be kept ___ years - ANSWERS-5
\.Microorganisms whose presence in water indicates probable presence
of pathogens. - ANSWERS-Indicator organism
\.White powder used to neutralize chlorine - ANSWERS-Sodium
Thiosulphate
NEW MEXICO) (BASIC) EXAM QUESTIONS COMPLETE
WITH 100% CORRECT ANSWERS
\.Maximum Contaminent Level - ANSWERS-MCL
\.Public water system is a system that serves a population of ___ or
more regularly - ANSWERS-25
\.Maximum total chlorine residual ___ mg/l - ANSWERS-4
\.What type of contaminant is Iron - ANSWERS-Secondary
\.Primary contaminant is sometimes added to water supplies to prevent
tooth decay - ANSWERS-Fluoride
\.The Failure of a public water system to comply with the NM Drinking
Water Regulations must be reported to NMED within ___ hours -
ANSWERS-48
\.MCL for Total Trihalomethanes ___ mg/l - ANSWERS-0.1
,\.SDWA sampling results must be reported to - ANSWERS-New Mexico
Enviroment Department (NMED)
\.Ground water systems must sample for inorganic chemicals every ___
years - ANSWERS-3
\.The SDWA Compliance Cycle for Standardized Monitoring Rule
consists of ___ Compliance Periods - ANSWERS-3
\.___ or less than 5% bacteriological samples must be taken every
month before a system is allowed to have TWO positive samples
without violating the drinking water standard? - ANSWERS-40
\.Action level for Lead ___ mg/l - ANSWERS-0.015
\.If Bacteriological retakes are done this month what is the minimum
number of samples that must be turned in next month? - ANSWERS-5
\.if a 3-log removal is required for Giardia Lamblia what percentage of
organisms can survive and still meet requirements - ANSWERS-0.1
, \.Primary Inorganic Contaminant poses an immediate health risk -
ANSWERS-Nitrates
\.The Presence of Nitrates in the bloodstream that reduces oxygen
uptake that gives the skin a blue tint - ANSWERS-Blue Baby Syndrome
\.Primary Contaminant that shields harmful bacteria from disinfection
processes - ANSWERS-Turbidity
\.Device used to measure NTU's - ANSWERS-Nephelometer
\.Turbidity is Measured with - ANSWERS-Turbidimeter or Nephelometer
\.Chemical sampling results be kept ___ years - ANSWERS-10
\.Bacteriological sampling results be kept ___ years - ANSWERS-5
\.Microorganisms whose presence in water indicates probable presence
of pathogens. - ANSWERS-Indicator organism
\.White powder used to neutralize chlorine - ANSWERS-Sodium
Thiosulphate
