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Page Title:
Table 2 -4 Criteria for Posting Contamination, High Contamination, and Airborne Radioactivity Areas |
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|  DOE-STD-1098-99
Radiological Control
Radiological Standards
June 2004
Table 2 -4 Criteria for Posting Contamination, High Contamination, and Airborne Radioactivity Areas
AREA
CRITERIA
REQUIRED POSTING
SUPPLEMENTAL
POSTING
Removable contamination
"CAUTION,
"RWP AND PROTECTIVE
levels (dpm/100 cm2)
Contamination
CONTAMINATION
CLOTHING REQUIRED FOR
> Table 2-2 values 1 but ≤ 100
Area
AREA"
ENTRY"
x Table 2-2 values
[see 835.603(e)]
Removable contamination
"CAUTION" or
"RWP AND PROTECTIVE
levels (dpm/100 cm2) > 100 x
"DANGER," "HIGH
CLOTHING REQUIRED FOR
Table 2-2 values 1
High
CONTAMINATION
ENTRY"
Contamination
AREA"
Area
[see 835.603(f)]
Airborne concentrations
"CAUTION" or
"RWP AND PROTECTIVE
(Ci/ml) above background:
"DANGER," AIRBORNE
CLOTHING REQUIRED FOR
1) are > the applicable DAC
ENTRY"
values 1; or 2) could result in
AREA"
Airborne
an individual (w/o respirator)
[see 835.603(d)]
Radioactivity
receiving an intake > 12
Area
DAC-hrs in a week
1
Levels exceed or are likely to exceed the listed values
236 Posting Radioactive Material Areas
1.
Accessible areas where items or containers of radioactive material in quantities exceeding the values provided in
Appendix 4A are used, handled, or stored shall be posted "CAUTION, RADIOACTIVE MATERIAL" [see
835.603(g)].
2.
Radioactive material areas shall be located within controlled areas [see 835.(2)(a), radioactive material area].
3.
Radioactive material areas may be excepted from the posting requirements when:
a.
The area is posted as a radiological area in accordance with Article 234 or 235 [see 835.604(b)(1)]; or
b.
Each item or container of radioactive material in the area is clearly labeled to warn individuals of the hazards
[see 835.604(b)(2)]; or
c.
The radioactive material of concern consists solely of structures or installed components which have been
d.
The area contains only packages of radioactive material received from radioactive material transportation while
awaiting monitoring in accordance with Articles 552 and 554 [see 835.604(c)]; or
2-16
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