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How to read your Occupational Radiation Exposure Report
It is important
to understand the meanings of the results you receive from monitoring
reports. Please refer to the following explanations when reviewing.
Should you have any questions, please call 1-800-251-3331 Monday through
Friday 6 AM - 5 PM (PST), and a customer service representative will
assist.
Column 1 - All applicable employees within your account are
assigned a unique individual wearer number. All exposure data is
reported, and kept, by wearer number.
Column 2 - Badges may be further identified by assigning an
optional slot number.
Column 3 - Specific reference group in which badges were
processed
Column 11 - Type of radiation device analyzed. Refer to below
code.
Badge Type Codes
| 01 |
Film badge |
| 03 |
TLD 802 badge |
| 07 |
TLD 814 badge + CR39 |
| 08 |
TLD 803 badge |
| 09 |
CR39 fast neutron
dosimeter |
| 10 |
Film badge + CR39 |
| 11 |
High dose dosimeter |
| 12 |
High dose chipstrate
dosimeter |
| 15 |
TLD 760 badge + CR39 |
| 16 |
TLD 760 badge |
| 18 |
UltraRing |
| 19 |
MeasuRing |
| 20 |
TLD 814 environmental |
| 21 |
REMtrack card (1 chip) |
| 22 |
REMtrack card (2 chip) |
| 23 |
REMtrack card (1 chip +
In-115m) |
| 24 |
REMtrack card (2 chip +
In-115m) |
| 25 |
CR39 in TLD 760 +
In-115m |
| 26 |
TLD 760 + In-115m |
Column 12 - General region of the body that was monitored. Refer
to below code.
Monitored Region Codes
| WB |
Whole body |
| EW |
Whole body |
| EYE |
Lens of eye |
| URE |
Upper right extremity |
| ULE |
Upper left extremity |
| LRE |
Lower right extremity |
| LLE |
Lower left extremity |
| NPU |
Non personnel use |
| EQ |
Equipment |
| ARE |
Area |
| UNK |
Unknown |
| NSE |
Non specific extremity |
Column 13 - Specific body part that was monitored. Refer to below
code.
Monitored Part of Body Codes
Whole Body
| Blank |
Not identified |
| HD |
Head |
| CL |
Collar |
| CH |
Chest |
| TR |
Torso |
| GR |
Groin |
| FS |
Fetus |
| UA |
Upper arm |
| TH |
Thigh |
| BA |
Back |
Extremities
| Blank |
Not identified |
| FA |
Forearm |
| EL |
Elbow |
| WR |
Wrist |
| HN |
Hands |
| FN |
Finger |
| FP |
Fingertip |
| KN |
Knee |
| FL |
Foreleg |
| AN |
Ankle |
| FT |
Foot |
| TO |
Toe |
| OT |
Other |
Column 14 - Covered length of monitoring period. Refer to below
badge exchange code.
Frequency of Dosimeter Exchange Service
| W |
1 week |
| B |
2 weeks |
| M |
1 month |
| T |
2 months |
| Q |
3 months |
| F |
4 months |
| S |
6 months |
| A |
12 months |
| H |
½ month |
| O |
User specified (end
date not displayed) |
Columns 17-27 - Dose equivalent in mrems for indicated monitoring
periods. Refer to below definitions.
DEEP DOSE EQUIVILANT (DDE) - incremental measurement in rem for
dose equivalent at a tissue depth of 1 cm. Applies to whole body
exposure.
EYE DOSE EQUIVILANT (EDE) - incremental measurement in rem for
dose equivalent at a tissue depth of 0.3 cm. Applies to external
exposure of the lens of the eye.
SHALLOW DOSE EQUIVALENT (SDE-WB) - incremental measurement in rem
for dose equivalent at a tissue depth of 0.007 cm. Applies to shallow
dose of whole body.
SHALLOW DOSE EQUIVALENT (SDE-E) - incremental measurement in rem
for dose equivalent at a tissue depth of 0.007 cm. Applies to shallow
dose of extremity.
Columns 22-24 - Quarter to date radiation exposure limits
State Limits
| Whole body |
1250 mrem/qtr |
| Lens of eye |
1250 mrem/qtr |
| Skin SDE |
7500 mrem/qtr |
| Extremity |
18,750 mrem/qtr |
Columns 25-27 - Year to date radiation exposure limits
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10 CFR 20 Limits |
| Whole body |
5,000 mrem/year |
| Lens of eye |
15,000 mrem/year |
| Skin SDE |
50,000 mrem/year |
| Extremity |
50,000 mrem/year |
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