f. Symbols and Terms used in Radiological Operations.
Some of the symbols used in radiological operations and the corresponding
terms are as follow:
SYMBOL
TERM
CF
Correlation factor
CRF
Correction factor
D
Total dose
Ds
Calculated dose
Dt
True dose
Dtb
Turn back dose
GZ
Ground zero
ID
Inside dose rate; inside dose
n
Decay exponent
NBC
Nuclear, Biological, Chemical
NBC 1 Report
Used by observing unit, giving initial and
subsequent data of a nuclear attack.
NBC 2 Report
Used for passing evaluated data of a
nuclear attack
NBC 3 Report
Used for immediate warning of expected
NBC 4 Report
Used for radiation dose rate measurements
NBC 5 Report
Used for locating areas of contamination
NF
Normalizing Factor
OCRF
Overall correction factor
OD
Outside dose rate; outside dose
R1
Dose rate at, or reference to, 1 hour after
burst (H+1)
Ravg
Average dose rate
Rmax
Maximum dose rate
RS-0
Radiation Status-0
RS-1
Radiation Status-1
RS-2
Radiation Status-2
RS-3
Radiation Status-3
Rt
Dose rate at a time after burst, other than
H+1
Rtb
Turn-back dose rate
Rte
Dose rate at time of entry
STANAG
Standardization agreement
T
Time
Te
Time of entry into a contaminated area
TF
Transmission factor
Ts
Time of stay (stay time) in a contaminated
area
Tx
Time of exit from a contaminated area
UTM
Universal
transverse
mercator
(grid
CM5206
5-4
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