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|  DOE-HDBK-1130-98
Module 9: Radioactive Contamination Control
Instructor's Notes
G.
Types of Contamination Areas
EO8 Define Contamination,
High Contamination, and
1.
Definitions and posting requirements
Airborne Radioactivity
Areas.
a.
Contamination Area
A Contamination Area is an area where removable
contamination levels are, or are likely to be, greater
than the limits specified in 10 CFR 835 Appendix
D, but do not exceed 100 times these levels. Posting
requirements include:
"CAUTION, CONTAMINATION AREA"
b.
High Contamination Area
Discuss facility specific
program for other
A High Contamination Area is an area where
information such as training,
contamination levels are likely to be greater than
dosimetry, and PPE
100 times the Contamination Area limits. Posting
requirements.
requirements include:
"DANGER or CAUTION, HIGH
CONTAMINATION AREA"
Additionally, the posting may state:
"RWP REQUIRED FOR ENTRY"
c.
Airborne Radioactivity Area
An Airborne Radioactivity Area is an area where
airborne radioactivity exceeds specified limits.
Posting requirements include:
"CAUTION OR DANGER, AIRBORNE
RADIOACTIVITY AREA"
additionally the posting may state:
"RWP REQUIRED FOR ENTRY"
96
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