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|  MIL-D-70789A (AR)
detonation and remaining at a distance of 1 meter for 12 hours.
Risk levels are defined in "NBC Contaminants Survivability
Criteria for Army Materiel".
c. No NBC contaminates or decontaminates shall be
entrapped by the DRU.
Disassembly shall not be required to remove NBC
d.
contaminates or decontaminates.
3.8.3.2 Hardness. The DRU shall not be damaged by exposure
to:
2
Ten g/m of thickened droplets of mustard (HD) or
a.
soman (GD) chemical agents having a mass median diameter (PIBIID) of
(2-5 mm) and unthickened G-Agent (VX) chemical agent having MMD
of 250 micrometers.
S
2
10 spores/m of biological agent 1-5 micrometers in
b.
size.
2
c.
Four g/m of insoluble radioactive contaminants
2
37-200 micrometers in size and 185 GB g/m gamma activity.
The following decontaminates for a period of 1 hour:
d.
Super-Tropical Bleach (STB)
(1)
DS2
(2)
DANC
(3)
Soap and Detergent
(4)
Sodium Hydroxide
(5)
High Test Hypochlorite (Calcium Hypochlorite)
(6)
Sodium Carbonate
(7)
Beto-Propialootone (BPL)
(8)
Formaldehyde (Formalin)
(9)
Ethylene Oxide
(10)
Peracetic Acid (PAA)
(11)
The equipment shall be hardened to ensure that degradation over a
30-day period of no more than 5 percent in reliability,
availability, and maintainability caused by 5 exposures to NBC
contaminates, decontaminates, and decontaminating procedures.
3.8.3.3
Compatibility. The DRU must have the ability to
operate and be operated in a mission oriented protective posture
of level four (4) (6.8.1.4).
3.8.4 Workmanship. Workmanship shall be in accordance with
Requirement 9 of MIL-STD-454.
83
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