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031-503-2023 (SL2) - Measure Radiation Dose Rate and Total Dose

Standards: Performed operator preventive maintenance checks and services (PMCS) on equipment used. Reported and recorded accurate readings (+ 5 centigray [cGy]) to supervisor. Complied with the commander’s operation exposure guidance and turn-back dose rate without overexposing personnel.

Conditions:
Given a tactical situation where nuclear
contamination has occurred and radiation
monitoring has been directed in your unit
area. You are provided with an individual
team or squad; radiation, detection,
indication, and computation (RADIAC)
detection equipment (dosimeters must be of
the same type); a nuclear, biological, and
chemical (NBC) marking set; a watch; (a
vehicle or an aircraft, depending on mission
requirements); communications equipment; DA
Form 2404, Equipment Inspection and
Maintenance Worksheet, 1971-R, Radiological
Data Sheet-Monitoring or Point Technique,
and DA Form 1971-6-R, Chemical/Biological
Sample Documentation; and with applicable
technical manuals (TMs), technical bulletins
(TBs), and standing operating procedures
(SOPs). Given the supervisor’s guidance on
continuous or periodic monitoring, the use
of direct or indirect technique, intervals
between readings (for monitoring dose rates
only), and communication and reporting
procedures.

Standards:
Performed operator preventive maintenance
checks and services (PMCS) on equipment
used. Reported and recorded accurate
readings (+ 5 centigray [cGy]) to
supervisor. Complied with the commander’s
operation exposure guidance and turn-back
dose rate without overexposing personnel.
Note. There is no degradation to standards
if this task is performed in MOPP 4.

Performance
Steps

1.   Perform PMCS on the RADIAC equipment.

a.
Use TM 11-6665-232-12 for
PMCS on the IM174 series RADIAC
meter.

b.
Use TM 11-6665-251-10 for
PMCS on the AN/VDR-2 RADIAC set.

c.
Use TM
11-6665-365-12&P for PMCS on the
AN/UDR-13 RADIAC set.

d.
Use TM 11-6665-214-10 for
PMCS on the IM93 dosimeter.

e.
Use TB Signal (Sig) 226-8
for PMCS the PP1578 RADIAC charger.

f. 
Use TM 11-6665-236-12 for
PMCS on the AN/PDR-75 with DT-236
dosimeter.

2.   Measure the radiation dose rate.

a.
Use TM 11-6665-232-12 for
operation of the IM174-series RADIAC
meter.

b.
Use TM 11-6665-251-10 for
operation of the AN/VDR-2 RADIAC
meter.

c.
Use TM
11-6665-365-12&P for operation
of the AN/UDR-13 RADIAC meter.

d.
Record the data on DA
Form 1971-R.

e.
Report the data to the
supervisor.

Note.  The data
will be placed into an NBC 4 nuclear
report by your supervisor or the unit
NBC control party.

f. 
Conduct continuous or
periodic monitoring (guidance
received from supervisor).

g.
Use the direct or
indirect technique (guidance
received from supervisor).

h.
Take readings at proper
intervals (guidance received from
supervisor).

3.   Measure the total dose of radiation.

a.
Use TM 11-6665-251-10 to
measure the total dose with the
AN/VDR-2 RADIAC set.

b.
Use TM 11-6665-214-10 to
measure the total dose with the IM93
dosimeter.

Note.  The DT-236
is worn on the wrist like a
wristwatch, and measures cumulative
doses of gamma and neutron radiation. 
It augments the IM93. 
The company AN/PDR-75 operator
reads the DT-236. 
The company NBC control party
records and processes this data.

c.
Use TM
11-6665-365-12&P to measure the
total dose using the AN/UDR-13
RADIAC set.

4.   Record the data on DA Form 1971-R (except for
DT-236).

5.   Report the data to supervisor (except for DT-236).

Evaluation
Preparation:

Setup:
Evaluate this task during a field exercise
or a tactical training session. The
AN/TDQ-T1 large-area RADIAC training set can
be used to produce readings for RADIAC
meters and RADIAC sets.

Brief
Soldier:
Tell the soldier that the test
will consist of performing PMCS, preparing
the equipment for use, monitoring a
designated area, recording the total
dose/dose rate, and reporting the results to
the supervisor. The actual completion of DA
Form 2404 and DA Form 1971-R is not degraded
if this task is performed in MOPP 4.

Performance
Measures

GO

NO
GO

1.   Performed PMCS
on the RADIAC equipment.





2.   Measured the radiation dose rate.





3.   Measured the total dose of radiation.





4.   Recorded the data on the appropriate form.





5.   Reported the data to the supervisor.





Evaluation
Guidance:
Score the soldier GO if all
performance measures are passed. Score the
soldier NO GO if any performance measure is
failed. If the soldier fails, show him how
to do it correctly.

References

 

Required

Related

 

DA
Form 1971-6-R

 

 

DA
Form 1971-R

 

 

DA
Form 2404

 

 

TB
Sig 226-8

 

 

TM
11-6665-214-10

 

 

TM
11-6665-232-12

 

 

TM
11-6665-236-12

 

 

TM
11-6665-251-10

 

 

TM
11-6665-365-12&P