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031-503-1037 (SL1) - Detect Chemical Agents Using M8 or M9 Detector Paper

Standards: Detect chemical agents using M8 or M9 detector paper. Attach the M9 detector paper in places likely to come into contact with liquid chemical agents. Detect all liquid chemical agents in the area without becoming a casualty. Identify all liquid chemical agents within the capability of the M8 detector paper.

Conditions: You are in a tactical environment or an area where there is a chemical threat and are in mission-oriented protective posture (MOPP) 2.  You are given a protective mask, a booklet of M8 detector paper, a dispenser of M9 detector paper, an M256A1 chemical agent detector kit, assigned decontaminating kits (M291or M295), and a complete set of MOPP gear or a chemical protective ensemble.

Standards: Detect chemical agents using M8 or M9 detector paper. Attach the M9 detector paper in places likely to come into contact with liquid chemical agents. Detect all liquid chemical agents in the area without becoming a casualty. Identify all liquid chemical agents within the capability of the M8 detector paper.

Performance Steps

1.   Use the M9 detector paper.

Note.  M9 and M8 detector paper will not detect chemical agent vapors.

a. Attach the M9 detector paper to your MOPP gear and equipment while wearing chemical protective gloves.

(1)  Place the M9 detector paper on the MOPP gear, on opposite sides of your body.

(a)   If you are right-handed, place a strip of M9 detector paper around your right upper arm, left wrist, and right ankle.

Note.  These are the places where a moving soldier will most likely brush against a surface (such as undergrowth) that is contaminated with a liquid chemical agent.

(b)   If you are left-handed, place a strip of M9 detector paper around your left upper arm, right wrist, and left ankle.

Note.  Do not attach M9 detector paper to hot, dirty, oily, or greasy surfaces because it may give a false positive reading.

(2)  Place M9 detector paper on the equipment where it will come in contact with contaminated objects and is visible to the operator.

b. Monitor the M9 detector paper constantly for any color change.  If you observe a color change-mask, give the alarm, decontaminate as necessary, and assume MOPP4.

WARNING: Some decontaminants give false positive results on the M8 detector paper.  The M8 detector paper may indicate positive results if used in an area where decontaminants have been used

2.   Use M8 detector paper if you see a liquid that might be a chemical agent or if you observe a color change on the M9 detector paper.

a. Prepare M8 detector paper.  Tear out a sheet from the book (use one-half sheet if it is perforated).

Note.  You may want to put the paper on the end of a stick or another object then blot the paper on the suspected liquid agent.

b. Blot (do not rub) the M8 detector paper on the suspected liquid agent without touching the liquid with your protective glove.

c. Observe the M8 detector paper for a color change.  Identify the contamination by comparing any color change on the M8 detector paper to the color chart on the inside front cover of the booklet:

(1)  A yellow-gold color indicates the presence of G (nerve) agent.

(2)  A red-pink color indicates the presence of H (blister) agent.

(3)  A dark green color indicates the presence of V (nerve) agent.

(4)  If any other color is present or if there is no color change, the liquid cannot be identified using M8 detector paper.

d. Store the booklet of M8 detector paper.

e. Remain in MOPP4 even if the liquid cannot be identified.  Use other types of chemical agent detectors to verify test results.

f.  Notify your supervisor of the test results.

Note.  M8 detector paper reacts positive to petroleum products, ammonia, and decontaminating solution #2 (DS2).  M9 detector paper reacts positive to petroleum products, insecticides, and antifreeze.  Because M9 detector paper only detects but does not identify chemical agents, verify all readings with M8 detector paper.  If you observe a color change on M8 or M9 detector paper, assume it is a liquid chemical agent.  Confirm the presence of contamination by using all means of chemical agent detection available in your area of operation, including a visual check of your surroundings.  If you determine that your reading is a false positive, perform the following actions before giving the all-clear signal:
1.  Ensure that every attempt has been made to recheck the area.
2.  Contact your higher headquarters (HQ) or the person in charge, and report the negative results.
3.  Await further guidance.  (Higher HQ contacts all adjacent/attached units to check the status of contamination in their areas.  If all units report the absence of contamination, the information is reported up the chain of command.)

4.  Annotate the above actions on your duty log (Department of the Army [DA] Form 1594).

Evaluation Preparation: 

CAUTION: Ensure that a simulant is placed only on the detector paper, not on the protective clothinG.

Setup: Simulate an unknown liquid chemical agent by using expedient training aids (brake fluid, cleaning compound, gasoline, insect repellent, or antifreeze).  Place drops of the simulated agent on M9 detector paper to obtain a reading.  For M8 detector paper, place the simulated agent on a nonporous material (such as an entrenching tool).

Brief Soldier: Tell the soldier that he will be entering an area where chemical agents have been used.  Tell him to attach M9 detector paper to his MOPP gear and equipment.  Tell him that if you observe any unsafe acts or acts that could produce a false reading, you will stop the test and he will be scored NO GO.

Performance Measures

GO

NO GO

1.   Used M9 detector paper.

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2.   Used M8 detector paper if he saw a liquid that might have been a chemical agent or if he observed a color change on the M9 detector paper.

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Evaluation Guidance:  Score the soldier GO if all performance measures are passed.  Score the soldier NO GO if any performance measure is failed.  If the soldier fails any performance measure show him what was done wrong and how to do it correctly.

References

 

Required

Related

 

DA Form 1594

 

 

FM 3-3

 

 

FM 3-4

 

 

TM 3-6665-307-10

 

 

TM 3-6665-311-10