4731.7240 RADIOACTIVE CONTAMINATION CONTROL.
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A.
If a licensee detects evidence that a sealed source has ruptured or licensed materials have caused contamination, the licensee must immediately initiate the emergency procedures required under part 4731.7210.
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B.
If contamination results from the use of licensed material in well logging, the licensee must decontaminate all work areas, equipment, and unrestricted areas.
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C.
During efforts to recover a sealed source lodged in a well, a licensee must continuously monitor, with an appropriate radiation detection instrument or a logging tool with a radiation detector, the circulating fluids from the well, if any, to check for contamination resulting from damage to the sealed source.