Doing some informal benchmarking: How do you post Contaminated Areas (CA) that have levels greater than those allowed for SELF-BRIEFING (>10K dpm/100cm2) that are within an existing CA, but less than levels requiring "High Contamination Area" postings? Reason for asking: QA found that the radiological posting of an equipment laydown area in the U-2 Reactor Containment Building (Building is posted Contaminated Area at each entrance) did not include a "readily identifiable" type of radiological hazard present, as required by NISP-RP-04, Radiological Posting and Labeling, Section 2.1 and Section 3.2. Material in the laydown area contained smearable contamination levels up to 10k dpm/100 cm2, which is greater than contamination levels allowed for SELF-BRIEFING; hence the area was posted: "Caution" with a trefoil and an insert reading "RP Briefing Required for Entry." Thanks John Diehl, CHP STPEGS Health Physics 361-972-8545
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