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Question 1

What does gamma radiation consist of?
A. Electrons
B. Nuclei
C. Photons
D. X-rays

Answer 1

C. Photons

Question 2

Trout can be killed starting at what dosage of copper sulfate?
A. 0.18 mg/L
B. 0.06 mg/L
C. 0.14 mg/L
D. 0.25 mg/L

Answer 2

C. 0.14 mg/L

Question 3

Which of the following causes lung cancer?
A. Uranium
B. Radium
C. Artificial Radionuclides
D. Radon

Answer 3

D. Radon

Question 4

What is a normal groundwater pH level?
A. 9.0 to 11.0
B. 3.0 to 5.0
C. 6.0 to 8.5
D. 8.5 to 9.5

Answer 4

C. 6.0 to 8.5

Question 5

Which of the following algae is the most toxic form?
A. yellow-green algae
B. blue-green algae
C. brown algae
D. green algae

Answer 5

B. blue-green algae

Question 6

Which water quality parameter has the largest impact on copper sulfate effectiveness?
A. Temperature
B. Turbidity
C. TDS
D. Alkalinity

Answer 6

D. Alkalinity

Question 7

What concentration of chlorine is typically used to disinfect a well prior to bringing it online?
A. 25 mg/L
B. 100 mg/L
C. 50 mg/L
D. 300 mg/L

Answer 7

C. 50 mg/L

Question 8

What does color in surface water indicate?
A. Dissolved organics may be present
B. High TDS
C. High levels of hardness
D. High alkalinity levels

Answer 8

A. Dissolved organics may be present

Question 9

Which of the following is most commonly used to disinfect the gravel packing of a groundwater well?
A. Calcium hypochlorite
B. Sodium hypochlorite
C. Chloramines
D. Chlorine dioxide

Answer 9

A. Calcium hypochlorite

Question 10

What is one benefit of water conservation?
A. reduced demand on supply source
B. possible stimulation of water service growth
C. lower water bills for the customers long term
D. difficulty dealing with drought conditions

Answer 10

A. reduced demand on supply source

Question 11

A landowner may pump as much water as he wishes from below his land, even if it negatively impacts his neighbor’s aquifer, under the doctrine of:
A. Reasonable use
B. Appropriation-permit system
C. Prior appropriation doctrine
D. Correlative rights

Answer 11

A. Reasonable use

Question 12

From which source are the following contaminates most likely to come from? Pesticides, herbicides, and nitrates.
A. Recycled water use
B. Industrial waste
C. Cattle operations
D. Agricultural activities

Answer 12

D. Agricultural activities

Question 13

A bored well can range in depth between ____ and ____ feet under acceptable ground conditions.
A. 200 and 300 ft.
B. 120 and 180 ft.
C. 25 and 60 ft.
D. 70 and 100 ft.

Answer 13

C. 25 and 60 ft.