10.
Read the M9 Detector Paper.
NOTE
DO NOT check detector paper with red light.
a. You have a positive agent response, if the spots or streaks on
your paper appear pink, red-brown, red-purple, or any shade of red.
b. If spots are blue, yellow, green, gray or black, you have not
been exposed to liquid chemical agents.
NOTE
Spots must be checked by a person who is NOT COLOR BLIND.
11.
Unusual Operating Conditions.
a. Operating in rain, snow, and sleet.
(1) M9 Detector Paper will work in rain, snow, and sleet.
However, change it when the paper becomes soaked because it will not
immediately respond to a liquid chemical agent.
(2) When clothes are wet, attach M9 Detector Paper more
tightly than usual to prevent slipping.
b. Operating in freezing temperatures. Temperatures around 32 F
(0 C) slow down the speed of M9 Detector Paper turning red. It may
take several minutes for color to appear.
12.
False positive readings.
The following cause false positive readings:
a. Temperatures above 125F (52C)
b. Scuffs
c. Brake fluid
d. Cleaning compound, aircraft surface
e. DS-2 Decontaminating Agent
f. Gasoline (Mogas in large droplets)
g. Grease, aircraft
h. Grease, automotive and artillery (GAA)
4-7
IS0345
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