Troxler RoadReader Plus 3450, Manual Of Operation And Instruction

Page: 125 / 201

Appendix A–20
Table A–1. Radiation Profile for Model 3450 Gauge
(Dose Rate in Millirem per Hour)
Surface 5 cm 30 cm 100 cm
G
a
mma
N
e
ut
ron
Tot
a
l
G
a
mma
N
e
ut
ron
Tot
a
l
G
a
mma
N
e
ut
ron
Tot
a
l
G
a
mma
N
e
ut
ron
Tot
a
l
GAUGE
Front
6.5 N/A 6.5 3.5 N/A 3.5 0.8 0.3 1.1 0.1 0.1 0.2
Back
14.0 N/A 14.0 7.0 N/A 7.0 0.7 0.5 1.2 0.14 0.1 0.24
Left Side
11.0 N/A 11.0 3.5 N/A 3.5 0.8 0.1 0.9 0.1 0.0 0.1
Right Side
3.5 N/A 3.5 2.5 N/A 2.5 1.0 0.3 1.3 0.25 0.07 0.32
Top
14.0 N/A 14.0 6.0 N/A 6.0 1.7 0.35 2.05 0.3 0.1 0.4
Bottom
14.0 N/A 14.0 10.0 N/A 10.0 1.6 0.25 1.85 0.2 0.05 0.25
GAUGE IN TRANSPORT CASE
Front
7.0 N/A 7.0 3.0 N/A 3.0 0.5 0.1 0.6 0.12 0.0 0.12
Back
2.0 N/A 2.0 1.5 N/A 1.5 0.9 0.3 1.2 0.2 0.05 0.25
Left Side
0.2 N/A 0.2 0.15 N/A 0.15 0.08 0.5 0.58 0.0 0.05 0.05
Right Side
5.0 N/A 5.0 2.5 N/A 2.5 0.5 0.55 1.05 0.15 0.1 0.25
Top
5.0 N/A 5.0 4.0 N/A 4.0 1.0 0.35 1.35 0.15 0.05 0.2
Bottom
5.0 N/A 5.0 3.5 N/A 3.5 0.85 0.25 1.1 0.15 0.1 0.25
Survey Equipment Used:
Gamma: Ludlum Model 14C Survey Meter, serial #57418,
calibrated 10/02/1996.
Neutron: Snoopy Portable Neutron Doserate Meter, model #NP-2,
serial #NP183404, calibrated 12/07/1995.
NOTES:
1. All tabulated values are in units of mrem/hr.
2. The orientation of the gauge in the transport case is as follows:
a. Back of gauge to front of case.
b. Bottom of gauge to right side of case
c.
Top of gauge to left side of case
3. Dose rates measured by the State of North Carolina Department of
Environment and Natural Resources, Division of Radiation Protection.
4. Dose equivalent rates for 8 mCi Cs-137 and 40 mCi Am-241:Be.
5. Surface indicates surface of the gauge or surface of the transport case.