In addition to the requirements in §20.1601, the licensee shall institute additional measures to ensure that an individual is not able to gain unauthorized or inadvertent access to areas in which radiation levels could be encountered at 500 rads (5 grays) or more in 1 hour at 1 meter from a radiation source or any surface through which the radiation penetrates.
CFR 10-20.1602-2014由US-CFR-file 发布于 1991-03-21,并于 1991-03-21 实施。
CFR 10-20.1602-2014 在中国标准分类中归属于: F00 标准化、质量管理。
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