15A NCAC 11 .0804. AREA REQUIREMENTS

(a)  The local components of an analytical x‑ray system shall be so located and arranged and shall include sufficient shielding or access control that no radiation levels exist in any area surrounding the local component group which could result in a dose to an individual present therein in excess of the dose limits given in Rule .1611 of this Chapter.  For systems utilizing x‑ray tubes, these levels shall be met at any specified tube rating.  A registrant or licensee may apply to the agency for an exemption from this requirement pursuant to Rule .0106(a) of this Chapter.

(b)  Surveys

(1)           Radiation surveys, as required by Rule .1613 of this Chapter, of all analytical x‑ray systems sufficient to show compliance with Paragraph (a) of this Rule, shall be performed:

(A)          upon installation of the equipment;

(B)          following any change in the initial arrangement, number or type of local components in the system;

(C)          following any maintenance requiring the disassembly or removal of a local component in the system which could affect the radiation exposure to personnel;

(D)          radiation monitoring shall be performed during maintenance.

(2)           A licensee or registrant may apply to the agency for approval of procedures differing from those in Subparagraph (b)(1) of this Rule, provided that the licensee or registrant demonstrates satisfactory compliance with Paragraph (a) of this Rule.

(c)  Each area or room containing analytical x‑ray equipment shall be conspicuously posted with a sign or signs bearing the radiation caution symbol and the words "CAUTION ‑ X‑RAY EQUIPMENT", or words having a similar intent.

 

History Note:        Authority G.S. 104E‑7;

Eff. February 1, 1980;

Amended Eff. January 1, 1994.