1 - Unit Review Exercises Flashcards by Evita Azcona

(801) What type of aquifer would cause water to be pushed in a well above the land surface?
a. Perched.
b. Pressure.
c. Artesian.
d. Unconfined.

Artesian.

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(802) Groundwater is stored in
a. lakes, streams, and oceans.
b. snow, glaciers, and rivers.
c. unconfined and confined zones.
d. unsaturated and saturated zones.

d. unsaturated and saturated zones.

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(802) Which constituent is not commonly found in groundwater?
a. Nitrate.
b. Calcium.
c. Fluoride.
d. Magnesium.

Nitrate.

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(802) What dissolved gas needs to be at an adequate level to prevent drinking water from tasting
flat?
a. Oxygen.
b. Carbon dioxide (CO2).
c. Hydrogen sulfide (H2S).
d. Carbon monoxide.

Oxygen.

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(803) Which Environmental Protection Agency (EPA) drinking water standard is a guideline that
applies to the cosmetic effects of drinking water?
a. Quality.
b. Primacy.
c. Primary.
d. Secondary.

Secondary.

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(803) What law passed by congress established a federal program to monitor and increase the
safety of all publically and commercially supplied drinking water?
a. Safe Drinking Water Act (SDWA).
b. Well Head Protection Program (WHPP).
c. Safe Drinking Water Surveillance Program.
d. National Primary Drinking Water Regulation (NPDWR).

Safe Drinking Water Act (SDWA).

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(803) Which installation must comply with the Department of Defense (DOD) Final Governing Standards (FGS) or Environmental Governing Standards (EGS)?
a. Hickam AFB, Hawaii.
b. Anderson AFB, Guam.
c. Elmendorf AFB, Alaska.
d. Royal Air Force (RAF) Feltwell, United Kingdom.

Royal Air Force (RAF) Feltwell, United Kingdom.

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(803) What program is designed to ensure the protection of groundwater supplied by public water
systems by protecting the area around the well head from all types of contamination?
a. Well Head Protection Program (WHPP).
b. Groundwater Protection Program.
c. Safe Drinking Water Surveillance Program.
d. Backflow Prevention and Cross-connection Control Program.

Well Head Protection Program (WHPP).

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(804) What is the minimum average number of individuals served daily and the number of days per
year required for a system to be classified as a public water system?
a. 15 individuals for 30 or more days per year.
b. 25 individuals for 30 or more days per year.
c. 25 individuals for 60 or more days per year.
d. 50 individuals for 60 or more days per year.

25 individuals for 60 or more days per year.

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(805) Which is the common type of water treatment used at Air Force (AF) installations?
a. Aeration.
b. Disinfection.
c. Scale Control.
d. Carbon Adsorption.

Disinfection.

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(805) Which disinfection method provides a disinfectant residual?
a. Chlorine dioxide (CO2).
b. Free chlorine.
c. Ozone.
d. Iodine.

Free chlorine.

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(806) After a water main is installed and at the end of a 24-hr holding period filled with
chlorinated potable water, the free chlorine residual must not be less than
a. 5 milligrams per liter (mg/L).
b. 10 mg/L.
c. 15 mg/L.
d. 25 mg/L.

25 mg/L.

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(806) During a water main break repair, which water pressure will not require the water main to
be disinfected and tested for coliform before being place back into service?
a. 10 pounds per square inch (psi).
b. 15 psi.
c. 19 psi.
d. 25 psi.

25 psi.

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(806) What is the most practical means of removing contamination introduced during water main
repairs?
a. Swabbing with hypochlorite solution.
b. Bacteriological sampling.
c. Slug chlorination.
d. Flushing.

Flushing.

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(806) What method of chlorination may be used if the pipes and components are kept clean and
dry during the construction?
a. Slug.
b. Tablet.
c. Swabbing.
d. Continuous.

Tablet.

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(807) What describes the backward flow of water in the distribution system due to decreased
pressure (i.e., line break) in the potable distribution system?
a. Air gap.
b. Reverse flow.
c. Backpressure.
d. Backsiphonage.

Backsiphonage.

(807) How often is the Water System Backflow Prevention/Cross-Connection Survey done on all
facilities?
a. Annually.
b. Semi-annually.
c. Every two years.
d. Every five years.

Every five years.

(807) What hazard classification for a cross-connection is also defined as contamination?
a. Low.
b. High.
c. Routine.
d. Potential.

High.

(808) Which is not a critical element examined and evaluated during a sanitary survey?
a. Security.
b. Treatment.
c. Distribution.
d. Finished water storage.

Security.

(808) What results does a sanitary survey provide the installation?
a. Current and resolved risks to water quality.
b. Current threats and potential water sources.
c. Prioritized plan for security upgrades at well heads.
d. Current and potential threats to water quality and system reliability.

Current and potential threats to water quality and system reliability.

(809) What sanitary survey element are you addressing when you identify a discrepancy that tank
vents and overflows are not screened or protected?
a. Treatment.
b. Distribution system.
c. Finished water storage.
d. Pump/Pump facility and control.

Finished water storage.

(810) Which military field water standard is designed to prevent acute illness?
a. Short-term potability (STP) standards.
b. Long-term potability (LTP) standards.
c. Military exposure guidelines (MEG).
d. Environmental Protection Agency (EPA) maximum contaminant levels.

Short-term potability (STP) standards.

(811) Air Force Instruction (AFI) 10–246, Food and Water Protection Program, states Air Force
(AF) water supplies are
a. threats.
b. security risks.
c. credible targets.
d. security challenges.

credible targets.

(812) Water vulnerability assessments (WVA) should be done or updated at deployed locations
a. annually.
b. semi-annually.
c. every ten years.
d. during each rotation.

during each rotation.

25. (812) Which interview questionnaire is designed to be the initial checklist used when conducting the joint interview of the Air Force (AF) system owner/operator and stakeholders? a. Water Purveyor. b. Water Security and Survivability. c. Base Potable Water System Overview. d. Anti-Terrorism Program Review for Water.

Base Potable Water System Overview.

26. (813) How long does the base have to deliver a public notice of a Tier I violation? a. 12 hours. b. 24 hours. c. 10 days. d. 30 days.

24 hours.

27. (813) How long does a water supplier have to provide notice of a Tier 2 violation to its customers? a. 1 day. b. 10 days. c. 30 days. d. 90 days.

30 days.

28. (814) Which should not be included in the consumer confidence report? a. The likely source of contaminants in the local drinking water supply. b. The water system’s compliance with other drinking water-related rules. c. The formulas used to reach the assessment results on local contamination. d. How to get a copy of the water system’s complete source water assessment.

The formulas used to reach the assessment results on local contamination.

29. (815) How many days before opening is the pre-season inspection conducted at a swimming pool? a. 3. b. 10. c. 30. d. 60.

30.

30. (815) Which is one of the organizations that perform surveys of natural bathing areas? a. Services (SVS). b. Security forces (SF). c. Fire department. d. Environmental flight.

Services (SVS).

31. (815) The swimming pool manager or lifeguard measures potential for hydrogen (pH) at least once every a. hour. b. 2 hours. c. 3 hours. d. day.

2 hours.