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LEAK   CHECK   AND   REMOVAL - 14146_101
DONNING IMPREGNATED CLOTHING - 14146_103

Military Requirements for Petty Officer 2nd Class - index
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airtight; if not, the mask straps need readjusting. 7. Remove the mask by loosening the neck straps. Use your fingers to rotate the rear of the buckle forward. Grasp the mask by the outlet valve assembly and pull the mask down, outward, and up. Adjust the mask neck straps so that the ends are within 1 inch of the buckles. 8. Install an outsert (if prescribed). The mask is now ready for quick donning. Stow your mask carefully to avoid any damage or deformation by ensuring that accessories are installed in their proper order and position, as follows: 1. 2. 3. 4. 5. 6. 7. 8. Stow  the  waterproofing  bag  in  the large inside pocket at the front of the carrier. Install the outsert (if available) in the carrier. Put a second outsert in the outsert bag and place over the first outsert. Put a faceform in the mask. (Place the open end towards the bottom of the face- piece.) Stow the M258A1 Decontaminating Kit, if issued, in the outside side pocket. Stow the M8 or M9 paper, if furnished, with the waterproofing bag. Slide the mask, top first, into the carrier, with the opening of the mask against the short side of the carrier. Place the carrier in a cool, dry place. Hang it  by  the  shoulder  strap  or  D-ring  if possible. DONNING PROCEDURES. —Perform the following steps for putting on your mask quickly and correctly. (These procedures are based on the presumption that unapproved eyeglasses have been removed.) When given the command, take the following steps: 1. 2. 3. 4. STOP BREATHING. Close your eyes tightly. Remove any headgear. With the left hand, grasp the carrier flap tab and open. Reach into the carrier with the right hand and grasp the mask by the front portion of the facepiece in the area of the voicemitter outlet valve assembly. Withdraw the mask. 5. 6. 7. 8. 9. Hold the outlet valve assembly in the palm of one hand. Using the free hand, push any forehead hair aside. Place the mask on the face,  forcing  the  chin  cup  very  tightly against the chin. Pull the head harness over the head, using the quick-don tab. Hold in this position and tighten each neck strap snugly. Expel the air that has been held in the lungs. Press the palm of one hand over the canister and inhale to check seal. Open your eyes and RESUME NORMAL BREATHING. CBR PROTECTIVE CLOTHING Basically, any clothing or coverall that covers the body can provide a degree of protection from CBR contaminants. However, the type of clothing and its proper wear will determine the amount of protection. Three types of clothing are useful, to varying degrees, in CBR defense: impregnated (permeable) clothing or the newer chemical- protective overgarment, wet-weather clothing, and ordinary work clothing. Impregnated Clothing Impregnated clothing and rubber overshoes are supplied to ships in quantities sufficient to outfit 25 percent or more of the ship’s personnel. An impregnated clothing outfit consists of impregnated socks, gloves, trousers with attached suspenders (overalls), and a jumper (parka) with an attached hood. These items have been treated with a CW agent-neutralizing chemical, CC2, plus a  viscous  binder,  chlorinated  paraffin.  The presence of these two chemicals results in a faint odor of chlorine and a slightly greasy or clammy feel. Figure 6-8 shows a person dressed in a suit of impregnated clothing with an ND Mk V protective mask, rubber gloves, and overboots. Impregnated clothing is primarily effective against the blister agents; it provides little protection against the G-nerve agents. It offers limited protection against other types of CW/BW contaminants. If this clothing is contaminated by large drops or splashes of blister agents, clean clothing should be put on as soon as possible. Impregnated clothing alone is effective against CW agent vapors or very fine aerosols. However, large aerosol particles or droplets can partially penetrate the fabric when carried by a strong wind. In addition, clothing cannot be impregnated 6-16







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