SECTION 252:410-11-67. Facility and shielding requirements

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(a)   Design. Permittees with systems of 1 MeV or more must ensure that the systems are designed to comply with 252:410-11-41 and Subchapter 20.
(b)   Warning lights. Permittees must also ensure that all treatment room entrances are equipped with easily seen warning lights that indicate when the useful beam is "on" and "off". A light must be located on the outside of the room near each access door.
(c)   Entrance interlocks. Interlocks shall be provided such that all entrance doors must be closed before treatment can be initiated or continued. If the radiation beam is interrupted by any door opening, it shall not be possible to restore the machine to operation without closing the door and reinitiating irradiation by manual action at the control panel.

[Source: Added at 17 Ok Reg 1136, eff 6-1-00]

                    
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