Water Treatment Plant Operation Volume 2 - Ch. 3: Specialized
Treatment Process
, According to the EPA, what is 0.010 mg/L
the maximum contaminant
level for arsenic?
What
A is the basin
reaction most commonly
15 feet in Chlorine
43 min
used oxidant
diameter andto8 oxidize As(III)
feet deep
into As(V)?
treats a flow of 350,000
gallons
Why is itper
a day.
goodWhat is theto
practice Allows lab to double-check test results
average detention
collect two time in at
DBP samples
minutes?
each location being tested?
Which polyphosphate is the Metaphosphate
most effective at the lowest
dose in controlling iron and
manganese?
In what conditions do small, Water is relatively warm with high organic matter levels.
controlled doses of ozone
act as an effective
microflocculant and improve
the physical removal of THM
precursors?
How long does it commonly Depends on the complexity of the chosen strategy
take to complete the four
steps of a THM control
strategy?
Where do the As(III) and As(V) Groundwater
forms of arsenic commonly
occur?
The concentration of a 58 lb/Mgal
standard polyphosphate
solution is 1 milligram per
milliliter. If 7 milliliters of the
stock solution are added to a
1-liter sample, what is the
polyphosphate dose in pounds
per million gallons?
What is one possible Red-colored water in the system
problem from regenerating a
greensand bed by adding a
higher dosage of potassium
permanganate?
What will happen if a plant Required to review operational practices and submit a report to the
exceeds its operational state.
evaluation level under the
Stage 2 DBPR?
What is the generally 0.3 mg/L
acceptable limit for iron in
drinking water?
Treatment Process
, According to the EPA, what is 0.010 mg/L
the maximum contaminant
level for arsenic?
What
A is the basin
reaction most commonly
15 feet in Chlorine
43 min
used oxidant
diameter andto8 oxidize As(III)
feet deep
into As(V)?
treats a flow of 350,000
gallons
Why is itper
a day.
goodWhat is theto
practice Allows lab to double-check test results
average detention
collect two time in at
DBP samples
minutes?
each location being tested?
Which polyphosphate is the Metaphosphate
most effective at the lowest
dose in controlling iron and
manganese?
In what conditions do small, Water is relatively warm with high organic matter levels.
controlled doses of ozone
act as an effective
microflocculant and improve
the physical removal of THM
precursors?
How long does it commonly Depends on the complexity of the chosen strategy
take to complete the four
steps of a THM control
strategy?
Where do the As(III) and As(V) Groundwater
forms of arsenic commonly
occur?
The concentration of a 58 lb/Mgal
standard polyphosphate
solution is 1 milligram per
milliliter. If 7 milliliters of the
stock solution are added to a
1-liter sample, what is the
polyphosphate dose in pounds
per million gallons?
What is one possible Red-colored water in the system
problem from regenerating a
greensand bed by adding a
higher dosage of potassium
permanganate?
What will happen if a plant Required to review operational practices and submit a report to the
exceeds its operational state.
evaluation level under the
Stage 2 DBPR?
What is the generally 0.3 mg/L
acceptable limit for iron in
drinking water?
