three test spots, a chemical heater, protective strips,
The star-shaped test spot is used with the nerve
and tabs. Each sampler-detector has instructions for
reagent ampoules to detect nerve agents (V and G).
its use printed on the outside of its protective bag.
The hinged protective strip, used in the closed
Formed channels in the plastic sheets direct the flow
position, protects the blood and nerve agent test spots.
of the reagents from the finger-crushable ampoules to
The colored beads in the ampoules have no operational
wet the test spots at the time of testing.
function. They are installed during manufacture of the
SAFE/DANGER observations are printed on each
sampler-detector as an aid in identifying the sampler
sampler-detector. They show the approximate color
that each spot develops if the agent is present and if it
One book of M-8 chemical agent detector paper is
also included in the M256A1 kit. Use the M-8 paper as
The square test spot is used with the blister reagent
discussed earlier in the chemical agent detection paper
ampoules and the chemical heater to detect mustards
section of this chapter. One set of operational
(H and HD) and phosgene oxime (CX). The lewisite
instruction cards is attached to the case by a lanyard.
detecting tablet and the lewisite tablet-rubbing tab are
These cards contain instructions on the use of the
used to detect lewisite (L). A pull-tab covers the
lewisite detecting tablet.
The M256A1 kit is a portable means for CBR
The circular test spot is used with the blood reagent
monitoring teams to detect concentrations of nerve,
ampoules to detect hydrogen cyanide (AC) and
blister, or blood agents to differentiate between classes
cyanogen chloride (CK).
DETECT OR PAPER
XXX X XXX XXX
XXXXX XXX XXX X
BLOOD REAGENT AMPOULES
PULL TAB TO
EXPOSE LEWISITE TABLET
Figure 9-5. M256A1 chemical agent detector kit.