Bolt Fails To Lock To Rear After Firing Last Round

Section V. DECONTAMINATION OF RIFLES AND ARMS ROOMS 2-10. DECONTAMINATION OF SIGHTS ACTIVATED WITH TRITIUM (H3).

a. Identification. Tritium sights will be marked with the assembly data and the radiation symbol and stamped H3, 9 mc .

b. Damage Determination. Evidence of a break in the glass container for the H3 will be a lack of illumination (assuring the expiration data for the sight has not been exceeded). Radiation from the sight is extremely low and CANNOT be detected with standard issue radiation detectors, i.e., AN/PDR-27.

c. Contamination. The tritium isotope used in the low light level sight is in a gaseous state and will rapidly diffuse into the atmosphere in the event of breakage. Very little residual contamination should be left on the rifle. All illumination will cease upon loss of H3 gas.

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