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
ampoules.
that each spot develops if the agent is present and if it
is absent.
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
M256A1kit.
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).
M8
CHEMICAL AGENT
DETECT OR PAPER
LANYARD
SAMPLER-
DISCARD
OPERATIONAL
DA E
T
INSTRUCTION
CARDS
XXXX
XXXXX XX
XX XX
XXXXXXXXX
XXXX XXXXX
XXXXXXXXX
XX XXX
XX
X
XXX X XXX XXX
XXXXX XXX XXX X
X
XXXX
XXX
X
BOTTOM CASE
TOP CASE
SAMPLER COMPONENT
IDENTIFICATION
LEWISITE TABLET
MARKING PAD
OPERATION
SEQUENCE NO.
NERVE REAGENT
(TYPICAL)
AMPOULES
2
BLOOD REAGENT AMPOULES
BLISTER REAGENT
AMPOULES
USER'S INSTRUCTION
HEATER
3
3
3
5
ASSEMBLY
(SWING OUT)
NERVE AGENT
BLISTER AGENT
TEST SPOT
TEST SPOT
PULL TAB TO
EXPOSE LEWISITE TABLET
BLOOD AGENT
TEST SPOT
HINGED
LEWISITE
PROTECTIVE
TEST TABLET
STRIP
DCf0905
Figure 9-5. M256A1 chemical agent detector kit.
9-13