Special Requirements for Photofluorographic Installations

PURPOSE: This rule establishes special requirements for photofluorographic installations. (1) A collimator shall restrict the useful beam to the area of the fluorographic screen. (2) The exposure switch shall be so arranged that it cannot be conveniently operated outside a shielded area. Exposure switches for spot film devices used in conjunction with fluoroscopic tables are exempted from this requirement. (3) A device shall be provided to terminate the exposure after a preset time or exposure. (4) Output of the photofluorographic installation shall not exceed one (1) roentgen per exposure at the panel. AUTHORITY: section 192.420, RSMo 1986.* This rule was previously filed as 13 CSR 5090.170. Original rule filed Nov. 9, 1964, effective Dec. 9, 1964. *Original authority: 192.420, RSMo 1963.