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Unit 6- Prev Med Test 2 > 6-15 Potable Water Supply for Ground Forces > Flashcards

6-15 Potable Water Supply for Ground Forces Flashcards

1
Q 
Potable water for ground forces
Who is responsible for:
-ensuring there is sufficient water
-water discipline
-ensuring troops are aware of the dangers of drinking untreated water
-know proper methods of disinfection
A

CO

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2
Q

Potable water for ground forces
Who is responsible for:
-providing sufficient potable water quantities
-construction, operation, and maintenance of facilities
-selecting sources of raw water

A

Engineering Officer

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3
Q 
Potable water for ground forces
Who is responsible for:
-advises the CO on water quality issues
-assists engineers in selection of water, surveying potable water system
-conduct routine bacteriological test
-test for halogen residuals
-inform engineers of quality/treatment required
-chemical analysis
A

medical depart

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4
Q

All water sources in the field should be considered _____ until they have been evaluated and approved by the _____

A
  • unsafe

- medical department

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5
Q

What influences water choice?

A
  • quality
  • quantity
  • accessibility
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6
Q

What are the 4 types of potential water sources?

A
  • public water supply
  • surface water
  • ground water
  • commercial bottle water
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7
Q

Which potential water supply is:

  • easiest and safest source
  • water has been treated to some extent
A

public water supply

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8
Q

Which potential water supply source is:

  • more accessible than other sources
  • more contaminated than other sources
  • river, streams, lakes, ponds, seas, oceans
A

surface water

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9
Q

Which potential water supply is:

  • existing wells and springs
  • usually less contaminated
  • located at least 30 yards upgradient from known contamination
A

ground water

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10
Q

Typical field water treatment process includes?

A
  • straining
  • chemical addition
  • coagulation
  • sedimentation
  • various kinds of filtration
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11
Q

What is the most common method of water treatment for potable water in the field?

A

military ROWPU (reverse osmosis water purification unit)

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12
Q

What can be used to produce potable water from:

  • fresh water
  • brackish water
  • sea water
A

military ROWPU

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13
Q

A multi-process system that will remove all waterborne infectious microorganisms such as parasites, bacteria, viruses?

A

military ROWPU

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14
Q

Which water treatment for potable water in the field is:

  • non reverse osmosis water treatment unit
  • 3,000 gallons/hr
  • only used in treating fresh water
A

marine corps lightweight medium tactical (lmt) freshwater purification unit

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15
Q

Which water treatment for potable water in the field is:

  • used to purify water for small military detachments
  • 125 gallons/hr
A

lightweight water purifier (lwp)

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16
Q

Which water treatment for potable water in the field is:

  • replacing RO water purification unit
  • produces 1500 gallons/hr
A

tactical water purification system

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17
Q

What are the two types of water chlorination in the field?

A
  • chlorine

- iodine

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18
Q

Which method is the most common for disinfection of field water?

A

chlorination

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19
Q

At the point of production and initial distribution, what is the required chlorine residual?

A

-2 ppm FAC after 30 minutes

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20
Q

What is the required chlorine residual at the delivery to secondary storage and unit level storage, such as water bulls, 5 gal containers?

A

1 ppm FAC

21
Q

What is the required chlorine residuals for filling canteens, personal hydration systems?

A

0.2 ppm FAC

22
Q

What is the required chlorine residual for ground water approved for drinking?

A

-2 ppm FAC for 30 minutes

23
Q

What is the required chlorine residual for natural surface water, well water?
When to drink this?

A

5 ppm after 30 min

Emergency only!

24
Q

What is used for disinfecting water contained in small containers such as canteens or water jugs?

A

iodine tablets

25
Q

Discard the iodine tables when:

A
  • color turned yellow or brown

- crumbling apart, stick together

26
Q

How many iodine tablets are used for 1 quart of water?

A

2 iodine tablets

27
Q

How many iodine tablets are used for 4 quarts of water?

A

4 iodine tablets

28
Q

Once the iodine tablets are dissolved how long do you wait before loosening the cap and tipping the canteen?

A

5 minutes

29
Q

When treating water with iodine, after tightening the cap, wait an additional____ before drinking?

A

25 minutes

30
Q

For iodine water purification of 5 gallon water jugs, how many iodine tablets are dissolved in a canteen cup of water?

A

40 iodine tablets

31
Q

For personal hydration systems, how many iodine tablets are added for 70-72 oz of water?

A

4 iodine tablets

32
Q

For personal hydration systems, how many iodine tablets are added for 100-102 oz of water?

A

6 iodine tablets

33
Q

If the water to be treated is cloudy or discolored, ______ the amount of iodine tablets

A

double

34
Q

What does PWS/DS stand for?

A

Potable water storage and distribution system

35
Q

What is the primary means for the receipt and storage of bulk drinking water and for issue to combat forces under tactical conditions?

A

PWS/DS

36
Q

Which type of container used for storing field water is:

  • highly mobile, inflatable/collapsible fabric water tank
  • “the onion”
A

3,000 gallon tank

37
Q

Which type of container used for storing field water is:

  • the “hippo”
  • hard wall tank, stainless steel interior
  • 2,000 gallon
A

load handling system (lhs) water tank rack

38
Q

Which type of container used for storing field water is:

  • portable, self contained
  • gas or diesel operated
A

-forward area water point supply system (FAWPSS)

39
Q

What does FAWPSS stand for?

A

forward area water point supply system

40
Q

Which type of container used for storing field water is:

  • 3,000 or 5,000 gallons
  • transports only drinking water
  • collapsible rubberized tank
A

semitrailer-mounted fabric tank (SMFT)

41
Q

Which type of container used for storing field water is:

  • highly mobile
  • distributes water for up to 10 miles on level terrain
A

tactical water distribution system (TWDS)

42
Q

The water distribution and waste management system has which three modules?

A
  • water distribution set
  • hospital
  • deployable medical system (DEPMEDS)
43
Q

Which type of container used for storing field water is:
-primary means for the receipt and storage of bulk potable water for wastewater management for the DEPMEDS hospital under tactical conditions?

A

water distribution and wastewater management system (WDWMS)

44
Q

Which type of container used for storing field water is:

-used to distribute drinking water to field units

A

400 gallon water trailer

45
Q

Which type of container used for storing field water is:

  • replacing the M107, M149, M1112
  • “camel”
A

800 gallon unit water pod system

46
Q

Field potable water contained disinfection

-method 1 steps

A
  • chlorinate to 100 ppm FAC
  • keep interior wet for 60 mins
  • drain
  • rinse twice with potable water
47
Q

Field potable water contained disinfection

  • method 2 steps
  • when is it conducted over other methods?
A
  • prepare 5 gallons of water at 100 ppm FAC
  • swab interior of tank every 10 mins or as much to keep the interior wet for 60 mins
  • drain
  • rinse twice with potable water
  • used when water or chemicals are in short supply
48
Q

Field potable water contained disinfection

-alternative procedure steps

A
  • chlorinate to 10 ppm FAC
  • hold for 24 hours
  • drain
  • rinse twice with potable water

Unit 6- Prev Med Test 2 (8 decks)

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