ARMY DETECTION EQUIPMENT
M22 ACADA; ICAM; M256A1; M8 Paper; M9 Paper; M93A1 FOX; M21; BIDS; LR-BSDS: M8
ACAA, CAM
Automatic Chemical Agent Detection Alarm ACADA: M22 (NSN 6665-01-438-6963; TM 3-
6665-321-12&P). The M22 is an "off-the-shelf" automatic chemical agent alarm system capable
of detecting and identifying standard blister and nerve agents. The M22 system is man-portable,
operates independently after system start-up, and provides an audible and visual alarm.
Capabilities include area warning, Collective Protection Equipment (CPE) monitoring, operation
on and in vehicles, and MICAD compatibility. Improvements over the M8A1 Automatic Chemical
Agent Alarm System: provides simultaneous detection and warning of nerve and blister agents,
significantly more sensitive than M8A1, operates in a collective protection environment, much
less response to interference. Replaces the M8A1. Basis of Issue: MTOE
Improved Chemical Agent Monitor: ICAM (NSN 6665-01-357-8502; TM 3665-327-19). The
ICAM is a hand-held, soldier-operated, post-attack device for monitoring chemical agent
contamination on people and equipment. The monitor detects and discriminates between vapors
of nerve and mustard agents. Capabilities include instantaneous feedback of chemical hazard
levels, quick determination of contamination (or not) of front-line assets (personnel and
equipment), reduces the need for decontamination operations, and real-time detection of nerve
and blister agents. Improvements over original CAM: 300% improved reliability, 10 times faster
start up, reduced maintenance cost, and fix forward-modular repair - eliminates need for depot
repair. Replaces the CAM. Basis of Issue: MTOE
Chemical Agent Detector Kit: M256A1 (NSN 6665-01-016-8399; TM 3-6665-307-10). The kit is
a portable, expendable item capable of detecting and identifying hazardous concentrations of
chemical agents and is used after a chemical attack to determine if it is safe to unmask or
reducing the protective posture level. It also determines the type of agent present or confirms the
absence of a hazardous concentration of agent. Each kit consists of 12 disposable sampler-
detectors, one booklet of M8 paper, and a set of instruction cards attached by a lanyard to a
plastic carrying case. Basis of Issue: 1 per Squad/4 per Aid Station
Chemical Agent Detector Paper: M8 (NSN 6665-00-05-0829; TM 3-6665-205-1011). M8
paper is used to detect the presence of liquid VGH chemical agents. When a sheet is brought in
contact with liquid nerve or blister agents, they react with chemicals in the paper to produce agent
specific color changes. The paper is blotted on a suspected liquid agent and observed for a color
change (liquid agent absorption). There is a color chart inside the front cover of the booklet for
comparison. V-type nerve agents turn the M8 paper dark green, G-type nerve agents turn it
yellow and blister agents (H) turn it red. M8 paper cannot be used to detect chemical agents in
water or aerosol agents in the air, and it does not detect vapors. It is best suited for non-porous
materials. Basis of Issue: 1 per Soldier
Chemical Agent Detector Paper: M9 (NSN 6665-01-049-8982; TM 3-4230-229-10). M9 Paper
is used by ground forces and is placed on personnel and equipment to identify the presence of
liquid chemical agent aerosols. It will turn pink, red, reddish-brown, or reddish-purple when
exposed to liquid agent and can detect but not identify the specific agent. M9 Paper does not
identify the specific agent. Protective gloves must be worn. Basis of Issue: 1 per 5 Soldiers/ 1
per Major End Item
FOX: M93A1 (NSN 6665-01-323-2582; TM 3-6665-339-10). The M93A1 is capable of detecting
chemical contamination in its immediate environment through point detection and at a distance
through the use of a standoff detector (M21 RSCAAL). It will automatically integrate
contamination information from sensors with input from on-board navigation and meteorological
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