Which of the following is NOT true of a trunk system?

Can easily shut down sections to conduct repair/maintenance

Procedures for violations of maximum contaminant levels (MCLs) were developed in coordination with what organization?

Environmental Protection Committee

What is a critical component to ensuring the quality of potable water supply & IDing cross-connection vulnerabilities?

Conducting a backflow prevention/cross-connection survey

Who develops the installation-specific ESAM plan?

Bioenvironmental Engineering, in cooperation with Civil Engineering

Which of these disinfection methods will not comply with disinfection residual requirements if used alone?

None of these provide sufficient residual

Which ESAM component includes site description and location instructions (compliment to map)?

Identification of all water sampling sites

Your're taking BacT smp but forget to don gloves before handling smp and drop colilert on ground before adding-what now?

Discard smp because it's contaminated; try again w/ gloves & new colilert

What information is not required of the support laboratory identified in the ESAM plan?

Support laboratory sampling schedule

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Quiz Block 6 Part 1

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Questions 100

Answers

1
What health hazard classification adversely & unreasonably affects aesthetic quality of potable water for potable use?
Medium hazard
High hazard
Low hazard
No hazard
2
Disadvantages of ground water include difficult to determine volume available, often high in Ca & Mg, difficult to reach
True
False
3
Which aquifer has water seep from the ground surface directly above?
Unconfined aquifer
Confined aquifer
4
Which commander is responsible for setting the base fluoride level?
BE Flight
Installation
Dental
Aerospace Medicine Squadron
5
Which of the following is NOT true of a trunk system?
Water flows to dead ends
Earliest type of distribution system
Can easily shut down sections to conduct repair/maintenance
Does not allow for future expansion
6
A new permanent Air Force Base is being constructed, which type of water system should be built?
Grid-loop system
Water buffaloes
Trunk System
Hard line piping
7
What characteristic describes capacity of water to neutralize acid (buffering capacity)?
Acidity
Alkalinity
Hardness
Suspended and Dissolved Solids
8
What systems are required to follow additional regulations stemming from the Surface Water Treatment Rule (40 CFR 141.70
Systems using surface water
Systems using surface water and/or ground water
Systems using ground water
9
If hard line piping is used, the pipes must be super-chlorinated and fixed __ to __ feet above the ground.
2 to 3
3 to 4
4 to 5
1 to 2
10
What characteristic describes amount of dissolved Ca & Mg in water & is undesirable because it produces scale deposits?
Acidity
Suspended and Dissolved Solids
Hardness
Alkalinity
11
____ testing is not a component of the QA/QC section of the ESAM plan.
Radiological
Bacteriological
Chemical
Physical
12
Water test kit designed to detect various non-warfare inorganic agents -slide 87
M-273 Kit
Colilert
Portable Water Quality Lab
M-272 Kit
13
Use of hard line piping at field locations is _____ because they are susceptible to breaks and contamination.
Recommended
Discouraged
Encouraged
Preferred
14
How often should be pH be monitored for pools?
1x per month
1x every 24 hours
1x every 2 hours
1x every 8 hour shift
15
Procedures for violations of maximum contaminant levels (MCLs) were developed in coordination with what organization?
United States Army Corps of Engineers
Environmental Protection Committee
Environmental Protection Agency
Occupational Safety and Health Administration
16
How often should be pH be monitored for pools?
Once every 24 hours
Every 2 hrs
Monthly
Once every 8 hour shift
17
What is the zone associated with ground water where most of the pore spaces are filled with air and is also known as the
Zone of Saturation
Zone of Aeration (Vadose)
Water table
18
What procedures are developed for drinking water surveillance to delineate how each base will address each component?
Memorandum of Agreement
AFMAN Supplement
Local Operating Instructions
Local Technical Order
19
What is a critical component to ensuring the quality of potable water supply & IDing cross-connection vulnerabilities?
Being approved to survey by the base/CC
Assigning a BE tech
Coordinating with PH
Conducting a backflow prevention/cross-connection survey
20
Who develops the installation-specific ESAM plan?
Bioenvironmental Engineering, in cooperation with Civil Engineering
Only the Bioenvironmental Engineering Flight
Bioenvironmental Engineering, in cooperation with Public Health
Only the Civil Engineering Flight
21
These are non-mandatory water quality standards.
AMCL
BMCL
SMCL
TMCL
22
All consumers of surveyed taps for lead and copper must be informed of results within __ days
30 days
14 days
7 days
60 days
23
What aquifer has impermeable dirt/rock layer exists; prevents water from seeping into aquifer from the ground surface?
Unconfined aquifer
Confined aquifer
24
Which of these disinfection methods will not comply with disinfection residual requirements if used alone?
Radiation
Ozone
Heat
None of these provide sufficient residual
25
Any connection b/w a potable water supply system & any system/fixture/device through which may be non-potable is a?
non potable system
potable system
contaminant
cross-connection
26
___ protocol calls for 250 mL first draw cold water samples where facility has been unused for between 8-18 hours
LCCA
LCR
27
Which ESAM component includes site description and location instructions (compliment to map)?
Current Map
Identification of all water sampling sites
Description and classification each public water system
Locally developed procedures for drinking water surveillance program
28
How often must BE perform quality assurance check of lifeguard's pH & disinfectant measuring skills during pool season?
Monthly
When pH is out of range
Every 30 days
Quarterly
29
You take a 10 mL water smp in glass vial & want to use a direct reading instrument to test for pH & chlorine -23 Apr PT
M-272 Kit
Multi-Rae
SAM 940
DR900
30
Any fluorescence equal to or greater than the comparator is considered positive for E. coli.
True
False
31
BE is responsible for:
Data Contracts
Water System Assessments
Trend Mapping
OPR for Cross-Connection Control
32
Aquifer is ground water in water-bearing/permeable rock/unconsolidated material that transmits water to springs & wells
False
True
33
Which of the following is NOT a method of field water distribution systems?
Bottled water
Surface water
Lyster bags
Fabric bladders
34
Liquid color reference test for coliforms & E. coli; distinguishes presence & absence; result after 18-24 hrs - slide 85
plastic bottle
EColilert
ColiLife Alert
Colilert
35
Your're taking BacT smp but forget to don gloves before handling smp and drop colilert on ground before adding-what now?
Discard smp because it's contaminated; try again w/ gloves & new colilert
Press and proceed to incubate sample
36
Manual distribution of drinking water is preferred at garrison locations.
True
False
37
Surface water is easy to access and is easy to determine flow rate
False
True
38
What information is not required of the support laboratory identified in the ESAM plan?
Support laboratory sampling schedule
Location instructions
Point-of-contact name and phone number
Copy of certification for all applicable analytes
39
120 mL rigid plastic container containing sodium thiosulfate; used for bact smp; pre-sterilized & disposable - slide 84
Whirl-Pak
plastic bottle
glass jar/bottle
cube container
40
Retrieves large vol water smps from any depth & collects floating sediments; normally used in deep water areas -slide 81
bacon bomb
Kemmerer
alpha sampler
dipper
41
What are the disadvantages of surface water?
Surface water is easy to contaminate and requires more treatment
Seasonal flows sometimes is unreliable
Surface water requires more security measures
All of the above
42
Water test kit to detect chem warfare agents such as nerve/mustard/cyanide/lewisite; colors show pass/fail - slide 86
M-273 Kit
M-256 Kit
Portable Water Quality Lab
M-272 Kit
43
The action level for ___ is 0.015 mg/L (15ppb)
LCR
LCCA
44
All backflow prevention/cross-connection surveys are accomplished under the supervision of who?
Backflow Program Manager
CE/CC
AMDS SQ/CC
BE Tech
45
The maximum allowable amount of a contaminant in drinking water delivered to the consumer.
UCL
LCL
MCL
ACL
46
Which of these is considered the most effective method of field water treatment?
Heat
High-Test Hypochlorite
Bleach
Chlorine Gas
47
Direct reading instrument; measures concentration of indicator compound ; measures pH, chlorine, fluoride - slide 88
Koch colorimeter
Hach colorimeter
M-256 Kit
M-272 Kit
48
If ozone or radiation is used for disinfection and is effective, the addition of chlorine is unnecessary.
False
True
49
Four types of Public Water Systems:
CWS, CSL, NWI, NTMS
CWS, NCSW, TNCWS, NTNCWS
NCSW, TDW, TDWI, EIEIO
CSI, NCSI, MCSI, NYCSI
50
The National Primary Drinking Water Regulations (NPDWR) is published where?
29 CFR Part 122
40 CFR Part 140
40 CFR Part 141
10 CFR Part 911
51
Linked to turbidity/dust/silt minerals/organisms dissolved or suspended in water & gives weird taste/smell/appearance
Acidity
Suspended and Dissolved Solids
Hardness
Alkalinity
52
The Grid-loop system’s disadvantage is that it is resource intensive.
True
False
53
Sterile puncture-proof bag w/ tabs; whirl tab 3x to make leak-proof; used for potable water bact analysis -slide 82
Whirl-Pak
glass jar/bottle
plastic bottle
cube container
54
Bar screens are an integral part of all groundwater treatment systems.
True
False
55
What do you call a hybrid between a cow and a bison?
A cison
A bowson
A beefalo (yes they exist!!)
A Bisonalo
56
Systems falling under Surface Water Treatment Rule must maintain a residual disinfection agent within system @ all times
True
False
57
Who is required to survey all facilities and water-using equipment and systems at least every five years?
BE and PH
CE
BE
CE and BE
58
For which of the following does BE NOT provide water quality oversight?
hot tubs
showers
swimming pools
spas
59
How often do facilities that are open year-round require water quality approvals?
monthly
semi-annually
annually
quarterly
60
An action level is exceeded if the concentration in more than __ % of smps collected during a monitoring period is > AL
15%
10%
90%
30%
61
Bottle used to get samples from specified depths. Must be deployed while submerged in water to be sampled -slide 80
dipper
alpha sampler
bacon bomb
Kemmerer
62
What is BE's most important role when conducting a backflow prevention/cross-contamination survey?
IDing the cross-connections
Classifying hazards
Creating a description of water usage
creating a detailed inventory of assemblies
63
What does the Portable Water Quality Lab test? -slide 87
chlorine
pH
suspended solids
all of the above
64
What 6 things should you write on your Bac T sample container - 23 Apr PT
Time, Date, Location, pH reading, Chlorine reading, fluoride reading
Time, Date, Location, Name of who took sample, pH reading, Chlorine reading
BE tech name, officer name, date, time, pH reading, chlorine reading
Name, Date, pH reading, chlorine reading, fluoride reading, sample volume
65
What is the zone associated with ground water where all the pore spaces are filled with water?
Zone of Aeration (Vadose)
Water table
Zone of Saturation
66
Ground water flow and depth needs to be known to determine________
Well drilling locations
Hardness
Any run-off
67
The action level for ___ is 0.020 mg/L (20ppb)
LCCA
LCR
68
The top of the zone of saturation is the _____.
Zone of Aeration (Vadose)
Water table
Zone of Saturation
69
What of the following is NOT an advantage of a Grid-loop system?
Allows for water stagnation
Sections can be isolated to contain contaminants
Water flows throughout the system in both directions
Allows for future expansion
70
Portable Water Quality Lab can test for ammonia, common water-borne metals, & is maintained on the PAM deployment pallet
False
True
71
What is defined as “pollution” & impairs the quality of the potable water without significant hazard to public health?
Low hazard
Medium hazard
High hazard
No hazard
72
Prior to assigning ratings, CE and BE must review what?
references and program records
historical information
all of the above
criteria
73
The sampling plan should describe what parameter to be measured?
Physical
Biological
Chemical
All of the above
74
___ protocol calls for 1000 mL first draw cold water samples where facility has been unused for at least 6 hours
LCR
LCCA
75
What is the purpose of an environmental sampling, analysis, and monitoring plan?
Describe how you are going to measure water quality
Describe how you are going to remediate water quality violations
Describe how you are going to measure water demand
Describe how you are going to qualitatively assess water quality
76
Why must drinking water undergo disinfection?
To destroy pathogens & thus reduce the risk of waterborne disease outbreaks
To prevent corrosion problems
Organisms in water are capable of producing cancerous diseases.
77
What dictates the type of backflow prevention device needed at cross-connections to ensure no pollution/contamination?
number of personnel affected
number of potable water sources
type of PPE being worn by personnel
health hazard classification
78
An exceedance of lead or copper action levels is a violation and must be reported to consumers within 24 hours.
True
False
79
What letter doesn't appear in any state name?
X
Z
Y
Q
80
___ req BE to ensure initial smp for lead at CDCs, SAPs, DoDDs, & DDESs prior to opening new bldgs/new lines/modify fixt
LCR
LCCA
81
The LCR establishes an action level of ___ for copper
13 mg/L
1.3 mg/L
15 mg/L
20 mg/L
82
Who is notified when water quality of pools/spas/hot tubs/natural bathing areas don't meet standards & are a health hzd?
Flight Commander
Workplace supervisor
MAJCOM BE
PH
83
Used in wells/storage tanks/other containers; can smp for various chemicals, including volatile organic cmpds - slide 81
Kemmerer
weighted bottle sampler
alpha sampler
bacon bomb
84
If BE doesn't sample @ natural bathing areas the rationale behind the decision shall be documented, reviewed, & updated
False
True
85
Any yellow color equal to or greater than the comparator is considered negative for total coliforms.
True
False
86
Sewage, industrial fluids, chemicals, or wastewaters are all examples of what cross-connection hazard classification?
No hazard
Low hazard
Medium hazard
High hazard
87
Knowing direction and speed of flow can help determine direction and spread of a pollutant in grown water
True
False
88
All states have primacy for the PWSS program except:
Wyoming and Wakanda
Wyoming and Wisconsin
Wyoming and Washington
Wyoming and Washington, D.C.
89
What are the advantages of ground water?
Less likely to be contaminated with pathogens
Requires less treatment and has a stable temperature
All of the above
Low turbidity and more difficult to contaminate
90
Long-handled polyethylene device used for liquid smps; comes in various sizes to accommodate range of smp vols -slide 80
dipper
Kemmerer
alpha sampler
bacon bomb
91
Propylene-lined screw cap; variety of sizes; available w/ Teflon liners; use 40 mL amber vials to prevent UV - slide 83
cube container
plastic bottle
Whirl-Pak
glass jar/bottle
92
What year did Congress enact the SDWA as Title XIV of the PHS Act?
1972
1975
1973
1974
93
Obtains samples at various depths below water surface (lakes, ponds, streams, reservoirs, etc) -slide 80
Kemmerer
dipper
bacon bomb
alpha sampler
94
(Fill in the blank)Ground water is regulated under____
Ground Water Treatment Regulation
Ground Water Rule
Ground Water Treatment Rule (40 CFR 141.70-141.75)
95
What is defined as "contamination" & is an actual hazard to public health through poisoning or the spread of disease?
Medium hazard
Low hazard
High hazard
No hazard
96
At which stage does disinfection occur in the water treatment process?
The stage before discharge into the distribution system
It is added in several stages throughout
At the beginning
The stage before flocculation
97
How often does a backflow prevention/cross connection need to take place?
biannually
every 5 years
annually
every 3 years
98
Which Source of Water is preferred?
Surface water because it is more cost effective
Surface water because it is accessible
Ground water because it usually provides higher quality
99
Flex plastic bag used in the field for quick/convenient/cost-effective smp collection; used for chem & rad - slide 82
cube container
glass jar/bottle
Whirl-Pak
plastic bottle
100
Why should the ESAM plan describe how often sampling will occur and the time of year of sampling?
Minimize the potential for positive results
Ensure sampling during peak water demand
Some water problems are seasonal
Sampling too frequently can overwhelm the support laboratory

Quiz Block 6 Part 1 Flashcards | StudBud