ADEQ Water Treatment 2 Exam Questions With
Correct Answers
Which |Safe |Drinking |Water |Act |regulation |protects |public |health |by |limiting |levels |of |
contamination |in |drinking |water?
a. |Total |Coliform |Rule
b. |National |Secondary |Drinking |Water |Regulations
c. |Code |of |Federal |Regulations
d. |National |Primary |Drinking |Water |Regulations |- |CORRECT |ANSWER✔✔-d. |National |Primary |
Drinking |Water |Regulations
Why |are |drinking |water |regulations |sometimes |called |interim |regulations?
a. |The |regulations |are |used |for |only |a |short |time
b. |The |regulations |represent |more |than |one |agency
c. |Research |continues |on |drinking |water |contaminants
d. |Because |they |only |cover |drinking |water, |not |other |sources |of |water |- |CORRECT |
ANSWER✔✔-c. |Research |continues |on |drinking |water |contaminants
Which |contaminants |make |up |the |Contaminant |Candidate |List |(CCL)?
a. |Contaminants |not |regulated |by |the |National |Primary |Drinking |Water |Regulations
b. |Contaminants |that |are |not |known |or |anticipated |to |occur |at |PWSs
c. |Contaminants |that |do |not |warrant |regulation |under |the |SDWA
d. |Contaminants |that |are |newly |nominated |to |be |researched |- |CORRECT |ANSWER✔✔-a. |
Contaminants |not |regulated |by |the |National |Primary |Drinking |Water |Regulations
,What |does |the |Unregulated |Contaminant |Monitoring |Regulation |provide |the |EPA?
a. |Scientifically |valid |data |on |contaminants |in |treatment |plant |influent
b. |Data |on |contaminants |resulting |from |stormwater |runoff
c. |Scientifically |valid |data |on |unregulated |contaminants |in |drinking |water
d. |Data |on |common |contaminants |at |treatment |plants |- |CORRECT |ANSWER✔✔-c. |Scientifically
|valid |data |on |unregulated |contaminants |in |drinking |water
Why |are |primary |standards |or |MCLs |enforceable |by |law?
a. |These |regulate |extremely |toxic |substances
b. |These |cover |substances |that |are |of |health |concern
c. |These |standards |cover |the |most |common |contaminants
d. |These |standards |oversee |that |can |upset |a |treatment |plant |- |CORRECT |ANSWER✔✔-b. |These
|cover |substances |that |are |of |health |concern
Where |is |arsenic |found |naturally?
a. |Plywood, |particle |board, |and |veneer
b. |Waste |batteries, |paints, |and |motor |oil
c. |Fire |retardants, |ceramics, |electronics, |and |solder
d. |Foods, |tobacco, |shellfish, |and |drinking |water |- |CORRECT |ANSWER✔✔-d. |Foods, |tobacco, |
shellfish, |and |drinking |water
What |is |the |main |source |of |chlorite |in |drinking |water?
a. |Softening |process
,b. |Fluoridation |process
c. |Chlorine |dioxide |used |for |disinfection
d. |Membrane |treatment |processes |- |CORRECT |ANSWER✔✔-c. |Chlorine |dioxide |used |for |
disinfection
Why |is |nitrate |regulated?
a. |To |prevent |liver |or |kidney |problems
b. |To |prevent |methemoglobinemia
c. |To |prevent |reproductive |difficulties
d. |To |prevent |gastrointestinal |illness |- |CORRECT |ANSWER✔✔-b. |To |prevent |
methemoglobinemia
What |are |some |uses |of |synthetic |organic |chemicals |(SOCs)?
a. |Pesticides, |paints, |and |food |additives
b. |Naturally |occurring |compounds |and |fungicides
c. |Oil, |natural |gas, |and |propane
d. |Lanolin, |glycerin, |and |essential |fatty |acids |- |CORRECT |ANSWER✔✔-a. |Pesticides, |paints, |and |
food |additives
Among |the |VOCs |found |in |groundwater, |which |are |encountered |most |frequently |and |in |the |
highest |concentrations?
a. |THMs |and |haloacetic |acids
b. |1,1,1-Trichloroethane |and |trichloroethylene
c. |1,1-Dichloroethylene
, d. |Benzene |- |CORRECT |ANSWER✔✔-b. |1,1,1-Trichloroethane |and |trichloroethylene
Which |waterbourne |diseases |have |been |traced |to |improperly |disinfected |drinking |water?
a. |Typhoid, |cholera, |and |dysentery
b. |Legionnaire's |disease |and |bacterial |pneumonia
c. |Liver |and |kidney |disease
d. |Blue |baby |syndrome |and |diuresis |- |CORRECT |ANSWER✔✔-a.
The |final |RCTR |requires |_____ |to |notify |the |public |if |a |test |exceeds |the |_____ |for |E. |coli |in |
drinking |water. |- |CORRECT |ANSWER✔✔-public |water |systems, |MCL
How |do |the |Surface |Water |Treatment |Rules |define |surface |water?
a. |All |water |that |infiltrates |from |the |surface |to |the |groundwater
b. |All |water |open |to |the |atmosphere |and |subject |to |surface |runoff
c. |Marine |water |that |intrudes |on |aquifers
d. |All |water |open |to |the |atmosphere |and |but |not |subject |to |surface |runoff |- |CORRECT |
ANSWER✔✔-b. |All |water |open |to |the |atmosphere |and |subject |to |surface |runoff
What |is |the |major |reason |that |turbidity |is |undesirable?
a. |It |causes |aesthetic |problems
b. |Its |presence |increases |the |costs |of |water |treatment
c. |It |adds |time |to |the |overall |water |treatment |process
d. |It |causes |health |hazards |- |CORRECT |ANSWER✔✔-d. |It |causes |health |hazards
Correct Answers
Which |Safe |Drinking |Water |Act |regulation |protects |public |health |by |limiting |levels |of |
contamination |in |drinking |water?
a. |Total |Coliform |Rule
b. |National |Secondary |Drinking |Water |Regulations
c. |Code |of |Federal |Regulations
d. |National |Primary |Drinking |Water |Regulations |- |CORRECT |ANSWER✔✔-d. |National |Primary |
Drinking |Water |Regulations
Why |are |drinking |water |regulations |sometimes |called |interim |regulations?
a. |The |regulations |are |used |for |only |a |short |time
b. |The |regulations |represent |more |than |one |agency
c. |Research |continues |on |drinking |water |contaminants
d. |Because |they |only |cover |drinking |water, |not |other |sources |of |water |- |CORRECT |
ANSWER✔✔-c. |Research |continues |on |drinking |water |contaminants
Which |contaminants |make |up |the |Contaminant |Candidate |List |(CCL)?
a. |Contaminants |not |regulated |by |the |National |Primary |Drinking |Water |Regulations
b. |Contaminants |that |are |not |known |or |anticipated |to |occur |at |PWSs
c. |Contaminants |that |do |not |warrant |regulation |under |the |SDWA
d. |Contaminants |that |are |newly |nominated |to |be |researched |- |CORRECT |ANSWER✔✔-a. |
Contaminants |not |regulated |by |the |National |Primary |Drinking |Water |Regulations
,What |does |the |Unregulated |Contaminant |Monitoring |Regulation |provide |the |EPA?
a. |Scientifically |valid |data |on |contaminants |in |treatment |plant |influent
b. |Data |on |contaminants |resulting |from |stormwater |runoff
c. |Scientifically |valid |data |on |unregulated |contaminants |in |drinking |water
d. |Data |on |common |contaminants |at |treatment |plants |- |CORRECT |ANSWER✔✔-c. |Scientifically
|valid |data |on |unregulated |contaminants |in |drinking |water
Why |are |primary |standards |or |MCLs |enforceable |by |law?
a. |These |regulate |extremely |toxic |substances
b. |These |cover |substances |that |are |of |health |concern
c. |These |standards |cover |the |most |common |contaminants
d. |These |standards |oversee |that |can |upset |a |treatment |plant |- |CORRECT |ANSWER✔✔-b. |These
|cover |substances |that |are |of |health |concern
Where |is |arsenic |found |naturally?
a. |Plywood, |particle |board, |and |veneer
b. |Waste |batteries, |paints, |and |motor |oil
c. |Fire |retardants, |ceramics, |electronics, |and |solder
d. |Foods, |tobacco, |shellfish, |and |drinking |water |- |CORRECT |ANSWER✔✔-d. |Foods, |tobacco, |
shellfish, |and |drinking |water
What |is |the |main |source |of |chlorite |in |drinking |water?
a. |Softening |process
,b. |Fluoridation |process
c. |Chlorine |dioxide |used |for |disinfection
d. |Membrane |treatment |processes |- |CORRECT |ANSWER✔✔-c. |Chlorine |dioxide |used |for |
disinfection
Why |is |nitrate |regulated?
a. |To |prevent |liver |or |kidney |problems
b. |To |prevent |methemoglobinemia
c. |To |prevent |reproductive |difficulties
d. |To |prevent |gastrointestinal |illness |- |CORRECT |ANSWER✔✔-b. |To |prevent |
methemoglobinemia
What |are |some |uses |of |synthetic |organic |chemicals |(SOCs)?
a. |Pesticides, |paints, |and |food |additives
b. |Naturally |occurring |compounds |and |fungicides
c. |Oil, |natural |gas, |and |propane
d. |Lanolin, |glycerin, |and |essential |fatty |acids |- |CORRECT |ANSWER✔✔-a. |Pesticides, |paints, |and |
food |additives
Among |the |VOCs |found |in |groundwater, |which |are |encountered |most |frequently |and |in |the |
highest |concentrations?
a. |THMs |and |haloacetic |acids
b. |1,1,1-Trichloroethane |and |trichloroethylene
c. |1,1-Dichloroethylene
, d. |Benzene |- |CORRECT |ANSWER✔✔-b. |1,1,1-Trichloroethane |and |trichloroethylene
Which |waterbourne |diseases |have |been |traced |to |improperly |disinfected |drinking |water?
a. |Typhoid, |cholera, |and |dysentery
b. |Legionnaire's |disease |and |bacterial |pneumonia
c. |Liver |and |kidney |disease
d. |Blue |baby |syndrome |and |diuresis |- |CORRECT |ANSWER✔✔-a.
The |final |RCTR |requires |_____ |to |notify |the |public |if |a |test |exceeds |the |_____ |for |E. |coli |in |
drinking |water. |- |CORRECT |ANSWER✔✔-public |water |systems, |MCL
How |do |the |Surface |Water |Treatment |Rules |define |surface |water?
a. |All |water |that |infiltrates |from |the |surface |to |the |groundwater
b. |All |water |open |to |the |atmosphere |and |subject |to |surface |runoff
c. |Marine |water |that |intrudes |on |aquifers
d. |All |water |open |to |the |atmosphere |and |but |not |subject |to |surface |runoff |- |CORRECT |
ANSWER✔✔-b. |All |water |open |to |the |atmosphere |and |subject |to |surface |runoff
What |is |the |major |reason |that |turbidity |is |undesirable?
a. |It |causes |aesthetic |problems
b. |Its |presence |increases |the |costs |of |water |treatment
c. |It |adds |time |to |the |overall |water |treatment |process
d. |It |causes |health |hazards |- |CORRECT |ANSWER✔✔-d. |It |causes |health |hazards
