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Housekeeping Standard: Beryllium work areas shall be kept as clean as the nature of the work allows. However, during nonoperational periods, residual contamination shall be verified to be no greater than 3 µg Be/100 cm2 (this is the housekeeping standard). If contamination is found to be greater than this limit, then the area in question shall be recleaned and reevaluated to determine compliance with the housekeeping standard. See Section 3.8 for actions necessary for compliance with this standard.
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