Using heater pads, crush all four ampoules in the
center marked No. 3 (Figure 4-10).
Crush No. 3 Ampoules
Rotate the sampler until the test spots are in a down
position (Figure 4-11). Force the liquid from the four
ampoules through the formed channels to the test spots
to ensure wetting.
Check to verify that the hinged protective strip is
over the test spot, with test spot or arrow pointing
Put your thumb over the center test spot and swing the
hinged heater assembly away from the test spot (Figure
The heater produces hot vapors and is hot to the touch.
Keep away from bare skin and clothing after ampoules are
broken. As a minimum, protective mask and gloves should be
worn when using the M256A1 Kit.
Finger-crush one of the two green ampoules marked No.
4 (Figure 4-12). Immediately swing the hinged heater
assembly over the test spot (Figure 4-12). Vent vapor
away from body. Leave the hinged heater assembly in
place for two minutes.