HCB 103 Lesson 3 Question and answers rated A+ HCB 103 Lesson 3.3 (Water Testing)
True
True or False? Drinking water must be potable or it may produce adverse health outcomes in those who drink it
50-60 Degrees F
What is the ideal water temperature range for palatability?
Potable...
HCB 103 Lesson 3.3 (Water Testing)
True
True or False? Drinking water must be potable or it may produce adverse
health outcomes in those who drink it
50-60 Degrees F
What is the ideal water temperature range for palatability?
Potable Water
1) Water that is treated and disinfected and has been deemed safe to drink by
preventive medicine personnel
2) Water that meets potable standards may be considered purified
3) ALL WATER IS CONSIDERED UNSAFE UNTIL IT HAS BEEN TESTED
AND DISINFECTED
Iodine Tablets
Considered a form of chemical disinfection
Procedure to Use Iodine Tablets
Water in canteens:
, 1) Fill canteen with cleanest, clearest water available
2) Add 2 tablets to each 1-quart canteen, or 4 to 2-quart canteens; tincture of
iodine, 2%, may be used instead of tablets
3) Shake canteen to dissolve tablets
4) Wait 5 minutes; loosen cap and tip to allow leakage around canteen
threads
5) Tighten the cap and wait an additional 25 minutes before drinking
Water in 5-gallon containers
1) 1) Fill container with cleanest, clearest water available
2) Dissolve 40 iodine tablets
3) Wait 5 minutes; loosen cap and tip to allow leakage around container
threads
4) Tighten the cap and wait an additional 25 minutes before drinking or other
purposes
Personal hydration systems:
1) Use 4 tablets for 70- or 72-oz water reservoirs and 6 for 100- or 102-oz
reservoirs
2) Allow 30 minutes of contact time before drinking
3) If water to be treated is cloudy or discolored, either double the dosage or
use Chlor-Floc in a separate container
Chlorine Bleach
1) Chemical disinfection
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