41.
Before you purify water, you should check the color of your iodine tablets. Use
only those tablets that are:
a. Black.
b. White.
c.
Orange.
d. Steel gray.
42.
You have filled a two-quart canteen with water from a stream. How many
iodine tablets should you put into the canteen?
a. One.
b. Two.
c.
Three.
d. Four.
e. Five.
43.
You have added iodine tablets to a canteen of water. You should wait ________
minutes, shake the canteen, disinfect the threads, and wait ____________ more
minutes before drinking the water.
44.
When you wash your hands, you should wash them with soap and water for at
least:
a. Fifteen seconds.
b. Thirty seconds.
c.
One minute.
d. Two minutes.
IS0877
9-39
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