NOTE:
To answer questions 4 and 5, refer to Figure S-3 in the Supplemental Booklet.
4.
A unit must enter a fallout area to perform a mission that will take 2 hours to accomplish. The H
+ 1 dose rate in the area was 150 cGyph and the commander has established an operational
exposure guide of 40 cGy. Personnel will be unprotected. At what time can the unit enter the
area?
A.
H + 3.5
B.
H + 4.5
C.
H + 5.0
D.
H + 5.8
5.
A unit will cross a fallout area in M113 Armored Personnel Carriers (TF = 0.3) along a route that
will take them 3 hours to traverse. The maximum dose rate they will encounter is 400 cGyph at
H+1. Personnel should not be exposed to more than 45 cGy. At what time can the unit begin
crossing?
A.
H + 1.3
B.
H + 1.5
C.
H + 1.9
D.
H + 2.5
CM2308
3-8
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