Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Unit 6- Prev Med Test 2 > 6-13 MANAGE POTABLE WATER SURVEILLANCE > Flashcards

6-13 MANAGE POTABLE WATER SURVEILLANCE Flashcards

1
Q

A raised frame (as around a hatchway in the deck of a ship) to keep out water

A

Coaming

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The total process the distilling plant forms, including evaporation and condensation

A

Distillation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Chlorine available (after demand is met) in the forms of hypochlorous acid and hypochlorite ions

A

Free available chlorine (FAC)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

A unit of length

_____ of a meter

A

micron

- one millionth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

A treatment device applied to a single tap used for the purpose of reducing contaminants in drinking water

A

Point of use (POU)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Water that is suitable for human consumption, bathing, laundry, personal hygiene

A

Potable water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the reverse of the natural osmosis achieved by external application of sufficient reverse pressure to cause the solvent to flow in its unnatural direction?

A

Reverse osmosis (RO)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the test used to detect total coliform and E-coli in the potable water?

A

-Colilert/Colisure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Mostly harmless bacteria that live in soil and water, as well as the guts of animals.

A

Total coliform

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The presence of ______ in the source water can indicate general quality of water and the likelihood that the water is contaminated with fecal matter.

A

Total coliform

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Total coliform bacteria is reported as either?

A

-Presence or absence

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

A type of fecal coliform bacteria commonly found in the intestines of animals and humans

A

E. coli

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The presence of _____ in water is a strong indication of recent sewage or animal waste contamination.

A

E. coli

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Who is responsible for the design, construction, and maintenance of:

  • shipboard potable water systems
  • treatment facilities and processes
  • assure that safe drinking water is available at all times
A

NAVSEASYSCOM

naval sea systems command

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Who is responsible for:

  • promulgating instructions for ship-to-shore potable water connections
  • providing potable water from an approved source when the ship is berthed at a naval facility
A

NAVFACENGCOM

naval facilities engineering command

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Who is responsible for:

  • establish/disperse health standards for water quality afloat
  • disperse instructions, notices, or other pubs to reflect afloat water quality
  • establish shipboard requirements for medical surveillance of potable water systems
A

Chief, BUMED

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Who is responsible for:

-ensure that adequate water sanitation standards are provided and enforced in each ship

A

Area, Fleet, and subordinate commanders

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Who is responsible for:

  • water sanitation bill
  • procedures are provided and followed
A

CO

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Who is responsible for:

  • supply/treatment of potable water
  • potable water systems
  • ensure connections are made my authorized personnel
  • halogen/pH testing
  • minimum halogen residuals are maintained
A

engineering department

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

The engineering department is responsible to the CO for implementing the requirements of?

A

NAVSEASYSCOM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Who is responsible for:

  • conducting a medical surveillance program of the potable water system
  • BACTI testing
  • daily halogen testing
A

Medical dept rep (MDR)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

The MDR shall notify who of any discrepancies in the potable water system?

A

CO

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

For new ship construction what is the minimum water usage requirements?
As specified by who?

A
  • 50 gallons/man/day

- NAVSEASYSCOM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

During “water hours” what are the water usage requirements?

A

not less than 2 gallons/man/day

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Marine sanitation device systems use what type of water?

A

sea water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

You should avoid making water while operating in:

A
  • harbors or polluted seawater
  • when ships are in close formation
  • when stripping or discharging water or bilge water
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

What are the approved sources for shore-to-ship delivery?

A
  • EPA approved public water system
  • U.S. military sources: British royal navy, Canadian forces, royal Australian navy
  • other OCONUS obtained from U.S military reps ashore or NEPMU
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

What are the approved sources of potable water for Naval ships?

A
  • distillation
  • reverse osmosis
  • NAVSEA approved water technology
  • shore-to-ship from approved source
  • shore-to-ship from unapproved source
  • ship-to-ship
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Seawater is used aboard ships in the?

A
  • fire mains
  • decontamination
  • marine sanitation devices
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

What are the three general types of distillation plants?

A
  • steam distilling plants
  • waste heat distilling plant
  • vapor compression type
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

What type of distillation plant uses steam supplied by power plant or auxiliary border?

A

steam distilling plant

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

What type of distillation plant uses heat derived from diesel engine jacket water?

A

waste heat distilling plant

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

What type of distillation plant uses electrical energy?

A

vapor compression type

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

Which water production plant uses:

  • single or triple pass
  • removes particles as small as 1 micron
  • high pressure pump, filtering water boosted up in pressure
A

reverse osmosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

For single pass reverse osmosis what else is required?

A

additional disinfection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Which naval vessel usually uses triple pass RO?

A

submarines

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

Potable water tanks should never be filled with?

A

ballast water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

The potable water tank coating must meet what standards?

A

ANSI/NSF

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

The vent and overflow lines openings are screened with?

A

18 gauge or finer, non corrosive mesh

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

What are the unauthorized termination points for the vents and overflow lines?

A
  • food service spaces
  • medical spaces
  • toilets
  • electrical or electronic rooms
  • exterior of ship
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

If a manhole is on the top of a tank that is also a deck it must be how far above deck?

A

1/2’’ curb or coaming above deck

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

Disinfection of the sounding rods

A

100 ppm FAC for 2 minutes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

The sounding tubes must be labeled?

A

POTABLE WATER USE ONLY

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

What color are the filling connections?

A

dark blue

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

How far off the deck must filling connections be?

A

18 inches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

Potable hot water settings should be set so the temperature at the fixture is?

A

120 degrees F at the water tap

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

What are the requirements for potable water hose lockers?

A
  • vermin proof
  • locked
  • 18 inches off the deck
  • printed disinfection instructions for the hoses and risers inside the locker
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

What are the requirements for labeling hoses?

A
  • POTABLE WATER ONLY
  • 1 inch high letters every 10 feet
  • couplings dark blue
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

What are the requirements for labeling valves for receiving or supplying potable water (risers)?

A
  • POTABLE WATER ONLY
  • 1/4 high inch letters
  • valves and valve handles must be dark blue
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

What are the requirements for labeling sounding tubes?

A
  • labeled with ID plate

- sounding tube cap will be dark blue

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

The potable water hose lockers will be labeled with?

A

-POTABLE WATER HOSE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q

Halogen shall be tested prior to?

A

initial transfer of water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
53
Q

If halogen residual is not within minimum standard of _______ the ship must?

A
  1. 2 ppm

- ship must boost halogen residual

54
Q

What is the minimum standard for halogen residual?

A

0.2 ppm

55
Q

Potable water connections between shore and ship must be made or supervised by?

A

authorized shore station personnel or properly trained ship personnel

56
Q

Who notifies MDR prior to making potable water hose connections?

A

Engineering

57
Q

Who tests the halogen residual?

Makes recommendations to who?

A
  • MDR

- engineering dept

58
Q

The potable water hose shall not be submerged in?

A

harbor water

59
Q

The minimum halogen residual requirements for water with doubtful quality is?

A

2.0 ppm

60
Q

For ship-to-shore procedures, after removing shore cap, flush pier side potable water outlet for?

A

15-30 seconds

61
Q

When doing ship-to-shore procedures, immerse the outlet and rinse fitting in a solution of?

A

100 ppm FAC for at least 2 minutes

62
Q

Flush water to waste for how long?

A

15-30 seconds

63
Q

Disinfect shipboard riser connections with?

A

100 ppm FAC solution

64
Q

Other FDA listed food contact surface disinfectants such as iodine may be used if approved by the?

A

MDR

65
Q

When doing ship-to-ship water transfer who disinfects the potable water riser connections?

A

both ships do their own

66
Q

What is a quick indication of water that may have been improperly treated or handled?

A

halogen residual

67
Q

What testing ensures the fitness for human consumption?

A

bacteriological testing

68
Q

What is done to assess adequacy of disinfection process?

A

bacteriological testing

69
Q

Testing requirements conform to the latest edition of?

A

Standard methods for the examination of water and wastewater

70
Q

The Standard methods for the examination of water and wastewater is published by?

A
  • American public health association
  • American water works association
  • Water pollution control federation
71
Q

What is exempt from chemical quality?

A

naval vessels

72
Q

Temperature/pH monitoring is preformed by?

A

engineering dept

73
Q

Halogen is more effective at ___ water temps

A

warmer

74
Q

Chloride shall not exceed _____ equivalent per million (epm) or _____ ppm

A
  1. 065 epm

2. 3 ppm

75
Q

Salinity testing must not be conducted on?

A

halogenated water

76
Q

Surface ship must maintain a ____ FAC or TABR in the potable water after initial treatment

A

0.2 ppm

77
Q

If water is received from an unapproved source the minimum halogen residual must be?

A

2.0 ppm FAC

78
Q

Halogen testing is completed by the MDR when?

A
  • daily
  • with BACTI
  • prior to receipt of potable water
79
Q

Which dept is responsible for checking the halogen level after 30 minutes contact time?

A

engineering dept

80
Q

What guidance is followed for the maximum contaminant level (MCL) for coliform bacteria?

A

EPA established MCL

81
Q

For 400 personnel or less how many samples need to be preformed for MCL?

A

no less than 4 samples

82
Q

For 400-800 personnel or less how many samples need to be preformed for MCL?

A

8 samples

83
Q

For more than 800 personnel or less how many samples need to be preformed for MCL?

A

12 samples

84
Q

Samples for MCL will include ____ of ship’s ice machines and _____ of the ship’s potable water tanks

A

1/4 of both ice machines and potable water tanks

85
Q

How often will emergency potable water tank will be tested?

A

monthly

86
Q

What are the shipboard EPA approved methods for bacteriological testing?

A
  • colilert

- colisure

87
Q

For repeat monitoring, each positive sample will require how many repeat samples?

A

3

88
Q

Where are repeat samples for positive samples taken from?

A
  • original source
  • one upstream (no more than 5 connections away)
  • one downstream (no more than 5 connections away)
89
Q

Repeat monitoring for positive samples will be collected within _____ hours of positive sample

A

24 hours

90
Q

Chlorine or bromine residuals are determined by which test?

A

dpd test

91
Q

DPD #1 tests for?

A

FAC or TBR

92
Q

DPD #4 tests for?

A

chloramines, total chlorine residual

93
Q

Halogen testing can be accomplished using which two test kits?

A
  • color comparator test kit

- portable spectrophotometer

94
Q

The color comparator accuracy is?

A

+- 10 percent

95
Q

The portable spectrophotometer accuracy is?

A

+- 2 percent

96
Q

What is the advantage of the portable spectrophotometer over the color comparator?

A

eliminates human visual subjectivity

97
Q

When is bacteriological testing done?

A
  • weekly
  • abnormal halogen
  • suspicion of contamination
  • after repairs to potable water system
98
Q

For bacteriological testing, incubate samples for?

A

-24 hours at 35 degrees C

99
Q

Colilert testing results, clear is?

A

negative

100
Q

Colilert testing results, yellow is?

A

positive for total coliform

101
Q

Colilert testing results, fluorescent yellow, under UV light is?

A

positive for fecal coliform

102
Q

Colisure testing results, yellow is?

A

negative

103
Q

Colisure testing results, magenta is?

A

positive for total coliforms

104
Q

Colisure testing results, fluorescent light blue is?

A

positive for E. coli

105
Q

What are the two approved methods for disinfecting shipboard potable water?

A
  • chlorine

- bromine

106
Q

What type of disinfection system injects hypochlorite into the system?

A

in-line chlorinators

107
Q

What are the two type of brominators?

A
  • in line brominator

- recirculation

108
Q

What is the least desirable method of water disinfection?

A

-manual chlorine disinfection (batch method)

109
Q

What is the disinfectant of choice?

A

calcium hypochlorite

110
Q

What is the clear, slightly yellow liquid that is from calcium granules settling at the bottom of the water during disinfection?

A

supernatant

111
Q

Excess calcium in the water will:

A
  • demand more chlorine or bromine than water without calcium

- clog valves and screens

112
Q

What is the chlorine dosage rule of thumb?

A

once oz HTH per 5,000 gallons of water equals 1.0 ppm FAC

113
Q

Which method of potable water disinfection is this?

  • add chlorine to get 10 ppm FAC
  • hold for 24 hours
A

method 1

114
Q

Which method of potable water disinfection is this?

  • apply 200 ppm FAC
  • flush pipes with 10 ppm FAC
  • contact time: 30 mins
A

method 2

115
Q

Which method of potable water disinfection is this?

  • fill 5% of tank with 50 ppm FAC
  • hold for 6 hours
  • fill tank, hold for 24 hours
A

method 3

116
Q

What is the chlorination method if taste/odor problems cannot be identified?

A
  • chlorinate to 5.0 ppm FAC

- distribute at 2.0 ppm FAC

117
Q

The use of steam to resolve taste/odor problems in potable water requires approval from?

A

NAVSEASYSCOM

118
Q

How will it be determined that the steam method for taste/odor issues of potable water might be feasible?

A
  • boil a sample for 1 min

- if taste/odor is resolved, might be feasible

119
Q

When requesting outside assistance for taste/odor problems who will be contacted?

A

contact NEPMU via TYCOM medical officer

120
Q

What potable water disinfecting agent is:

  • corrosive
  • chemically active
  • contact with another oxidizable material may result in spontaneous combustion
A

calcium hypochlorite HTH 65-70%

121
Q

calcium hypochlorite HTH 65-70% comes in what size bottles?

A

6 oz

122
Q

When storing calcium hypochlorite HTH 65-70% what are the criteria for the holes drilled into the storage box?

A

three 1/4’’ holes drilled into the bottom of the box

123
Q

calcium hypochlorite HTH 65-70% storage boxes won’t be stored in:

A
  • machinery spaces
  • flammable liquids storeroom
  • berthing space
  • paint storeroom
  • oil and water test lab areas
124
Q

How much calcium hypochlorite HTH 65-70% shall be maintained in ready to use stock at any time?

A

no more than a 7 day supply

125
Q

Bulk stock of calcium hypochlorite HTH 65-70% may not be stored in an area where the temperature will not exceed?

A

100 degrees F

126
Q

no more than ______ bottles of calcium hypochlorite HTH 65-70% shall be stored for bulk stock

A

no more than 48 six oz bottles

127
Q

What is the label for all lockers, bins, and enclosures containing HTH?

A

“hazardous material, calcium hypochlorite”

red letters with a white background

128
Q

Bromine storage lockers must have a hazardous warning plate IAW?

A

NSTM chapter 533

129
Q

What is the normal shelf life of bromine?

A

2 years from date of manufacture

130
Q

How long is the potable water log kept on record?

Who keeps it?

A
  • 2 years

- MDR

Unit 6- Prev Med Test 2 (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions