2024 WATER TREATMENT
SECURITY, SAFETY, COMPLIANCE
AND ADMINISTRATIVE
PROCEDURES EXAM WITH
CORRECT ANSWERS
The simplest measuring and transmitting device is _________. - CORRECT-
ANSWERSFloat type
Who is primarily responsible for safety at a water plant? - CORRECT-
ANSWERSEvery individual associated with the water utility
What USEPA rule may require a system to provide a special customer
education program? - CORRECT-ANSWERSLead and Copper Rule
What gas can come off storage batteries, requiring batteries be in well-
ventilated areas? - CORRECT-ANSWERSHydrogen
How does fluoride adversely affect the human body besides possible mottled
teeth? - CORRECT-ANSWERSCauses bone disease
What is the maximum residual disinfectant level for chlorine? - CORRECT-
ANSWERS4.0 mg/L total chlorine
The 1986 Safe Drinking Water Act set up a timetable under which the USEPA
was required to develop primary standards for _______ contaminants among
other provisions, including ________. - CORRECT-ANSWERS83, prohibiting the
use of lead products to convey drinking water
Safety showers should ________. - CORRECT-ANSWERSAlways turned off
manually, never by themselves, Flow a torrent of water in a uniform pattern,
Be easy to reach and turn on
Usually, pathogen exposure presents ________ rather than ______ risk, and if
pathogens are detected, it will result in _________. - CORRECT-
ANSWERSAcute, chronic, boil-water notices
, Noncarcinogenic organic chemical effects are usually on the ________. -
CORRECT-ANSWERSCentral nervous system
What is a disadvantage of biological treatment? - CORRECT-ANSWERSThe
risk of introducing pathogenic organisms
If soda ash dust gets in the eyes, they should be flushed with warm water for
at least ________. - CORRECT-ANSWERS15 minutes
Ingesting drinking water containing too much copper can lead to _________. -
CORRECT-ANSWERSWilson's disease
The burning of coal will produce ________. A process known as ________
converts the sulfur-containing molecule into sulfuric acid. - CORRECT-
ANSWERSSulfur dioxide, photochemical oxidation
Hydrogen sulfide is a very dangerous gas because at high concentrations it
__________. - CORRECT-ANSWERSParalyzes one's sense of smell
In drinking water, the coliform group bacteria is used as an indicator
organism for the presence of fecal contamination, which may indicate the
presence of pathogens. The criteria or an ideal organism for pathogens in
drinking water should be that they ________. - CORRECT-ANSWERSEasily
identified
Currently, what is the principal use of reclaimed water? - CORRECT-
ANSWERSAgricultural
The Safe Drinking Water Act of 1990 requires water systems to ________. -
CORRECT-ANSWERSDisinfect and filter the water
What is the unit of gamma radiation? - CORRECT-ANSWERSRem
If variances and waivers are not granted after initial sampling, a public water
system should sample for Phase 1, 2 and 5 contaminants every __________. -
CORRECT-ANSWERS3 years
Ammonia may be fatal at concentrations of ________. - CORRECT-
ANSWERS2,000 ppm
Records need to be reported for any testing required for filter exemptions
under the _________. - CORRECT-ANSWERSInterim Enhanced SWTR
What is the main focus of the Groundwater Rule? - CORRECT-ANSWERSFecal
contamination
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