Detection Levels
M8 Detector Paper
M9 Detector Paper
M256A2 Kit
Miscellaneous CBRN Knowledge
100

Level I detectors are issued at what organizational level?

Squad/individual level

100

What form of agents does M8 paper detect?

liquid chemical agents

100

What is the official nomenclature for M9 tape?

M9 detection paper (tape)

100

What forms of contamination can the M256A2 detect

What are vapor and liquid (and solid with LVH package)

100

What does BSK stand for?

Biological Sampling Kit

200

Which level of detector requires specialized training and can identify, sample, and report CBRN agents?

Level III

200

A yellow color change indicates what type of agent?

G-series nerve agent

200

What color changes indicate contamination on M9 paper?

pink, red, red-brown, or red-purple spots/streaks

200

Name two agent categories the M256A2 detects

blood, blister, and nerve agents

200

What type of kit is the HHA part of?

DoD BSK

300

Level II detectors may be remotely monitored and controlled. True or False?

True

300

How many sheets come in a booklet of M8 paper?

25 sheets (50 tests if torn in half)

300

Does M9 paper identify specific agents or only detect their presence?

detect only

300

How long does the M256A2 take to deliver results?

about 20 minutes

300

During PMCS of M8 or M9 paper, what should you always check?

expiration date and physical condition

400

Which level of detector is most widely fielded and provides limited capability at low cost?

Level I

400

What should you do when applying M8 paper to suspected contamination?

blot, don’t rub

400

Name one factor that may cause a false positive on M9 paper

heat, lubricating oils, insect repellent, brake fluid, etc.

400

What protective posture must Marines be in when using the M256A2?

MOPP 4

400

Used M256A2 kits must be turned in as what type of waste?

hazardous waste (due to mercuric cyanide)

500

Match the platform to its detection levels: Air platform-based detectors are usually ___?

Level I–II

500

How can you distinguish between VX and a Fourth Generation Agent (FGA) result on M8 paper?

VX stays green, while FGA changes from green to yellow over time

500

Where should you place M9 paper on a Marine?

Around the upper arm, opposite wrist, and either ankle

500

List at least three components of the M256A2 kit.

Canteen pouch, instruction cards, LVH packages, sampler-detectors, M8 paper

500

What protective equipment is always required when employing chemical detection devices?

field protective mask and MOPP gear

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