Gendex GX CB-500 - Scatter Measurements for PAN Scan

15-9
Radiation Environment Survey
G990710 30 June 2008
Scatter Measurements for PAN Scan
Scatter was measured from a PAN scan set at Large Exposure.
Location
Distance in
Feet
[meter]
Exposure
(mR)
Exposure
(μR)
10
scans/wk
mR/wk
25
scans/wk
mR/wk
50
scans/wk
mR/wk
0
o
3 [0.91m] 0.143 143 1.4 3.6 7.2
6 [1.82m] 0.0396 39.6 0.4 1.0 2.0
9 [2.74m] 0.0184 18.4 0.2 0.5 0.9
45
o
3 [0.91m] 0.1462 146.2 1.5 3.7 7.3
6 [1.82m] 0.0376 37.6 0.4 0.9 1.9
9 [2.74m] 0.0178 17.8 0.2 0.4 0.9
90
o
3 [0.91m] 0.0875 87.5 0.9 2.2 4.4
6 [1.82m] 0.0219 21.9 0.2 0.5 1.1
9 [2.74m] 0.0096 9.6 0.1 0.2 0.5
135
o
3 [0.91m] 0.0541 54.1 0.5 1.4 2.7
6 [1.82m] 0.0075 7.5 0.1 0.2 0.4
9 [2.74m] 0.0041 4.1 0.0 0.1 0.2
180
o
3 [0.91m] 0.0253 25.3 0.3 0.6 1.3
6 [1.82m] 0.0082 8.2 0.1 0.2 0.4
9 [2.74m] 0.0041 4.1 0.0 0.1 0.2
225
o
3 [0.91m] 0.0246 24.6 0.2 0.6 1.2
6 [1.82m] 0.0075 7.5 0.1 0.2 0.4
9 [2.74m] 0.0082 8.2 0.1 0.2 0.4
270
o
3 [0.91m] 0.091 91 0.9 2.3 4.6
6 [1.82m] 0.0226 22.6 0.2 0.6 1.1
9 [2.74m] 0.0109 10.9 0.1 0.3 0.5
315
o
3 [0.91m] 0.1348 134.8 1.3 3.4 6.7
6 [1.82m] 0.0363 36.3 0.4 0.9 1.8
9 [2.74m] 0.0165 16.5 0.2 0.4 0.8
3 Feet above
0.03 30.7 0.3 0.8 1.5
3 Feet above + 3 Outward
0.01 7 0.1 0.2 0.4