WATER TREATMENT EXAM PREPARATION
GRADE 2 EXAM WITH CORRECT ACTUAL
QUESTIONS AND CORRECTLY WELL
DEFINED ANSWERS LATEST ALREADY
GRADED A+
Water systems avoiding filtration of source water must
show that the turbidity of the source water immediately
before the initial point of disinfection has not exceeded __
NTU in __% of the samples analyzed in the previous 6
months. - ANSWERS-5.0 NTU in 90%
A Tier _ violation requires the water system to notify its
customers as soon as possible, but within 30 days of
learning of the violation and continue ________
notifications as long as the violation persists. - ANSWERS-
quarterly
Solder or flux is considered lead free if it does not contain
more than ___% lead. - ANSWERS-0.2%
, A Tier _ violation requires the public water system to notify
its customers within 12 months of learning of the violation.
This may be accomplished by including the violation in the
________ _________ Report - ANSWERS-Consumer
Confidence
Repeat samples for a positive coliform sample are required
to be collected within ____ hours. - ANSWERS-24 hours
A water system is considered public if it has at least ____
service connections or serves ____ or more persons ____ or
more days each year. - ANSWERS--15 service connections
-25 or more persons
-60 or more days each year
Total _______ samples must be collected at sites which are
representative of water quality throughout the distribution
system according to a written ______ _____ _____ subject
to state review and revision. - ANSWERS--Coliform,
-sample siting plan
The turbidity leaving a slow sand filter must be ____ ntu in
95% of the measurements collected each month. -
ANSWERS-≤1.0 ntu
GRADE 2 EXAM WITH CORRECT ACTUAL
QUESTIONS AND CORRECTLY WELL
DEFINED ANSWERS LATEST ALREADY
GRADED A+
Water systems avoiding filtration of source water must
show that the turbidity of the source water immediately
before the initial point of disinfection has not exceeded __
NTU in __% of the samples analyzed in the previous 6
months. - ANSWERS-5.0 NTU in 90%
A Tier _ violation requires the water system to notify its
customers as soon as possible, but within 30 days of
learning of the violation and continue ________
notifications as long as the violation persists. - ANSWERS-
quarterly
Solder or flux is considered lead free if it does not contain
more than ___% lead. - ANSWERS-0.2%
, A Tier _ violation requires the public water system to notify
its customers within 12 months of learning of the violation.
This may be accomplished by including the violation in the
________ _________ Report - ANSWERS-Consumer
Confidence
Repeat samples for a positive coliform sample are required
to be collected within ____ hours. - ANSWERS-24 hours
A water system is considered public if it has at least ____
service connections or serves ____ or more persons ____ or
more days each year. - ANSWERS--15 service connections
-25 or more persons
-60 or more days each year
Total _______ samples must be collected at sites which are
representative of water quality throughout the distribution
system according to a written ______ _____ _____ subject
to state review and revision. - ANSWERS--Coliform,
-sample siting plan
The turbidity leaving a slow sand filter must be ____ ntu in
95% of the measurements collected each month. -
ANSWERS-≤1.0 ntu
