Louisiana Administrative Code
Title 33 - ENVIRONMENTAL QUALITY
Part XV - Radiation Protection
Chapter 7 - Use of Radionuclides in the Healing Arts
Section XV-733 - Control of Aerosols and Gases

A. A licensee who administers radioactive aerosols or gases shall do so with a system that will keep airborne concentrations within the limits prescribed by LAC 33:XV.412 and 416 of these regulations.

B. The system shall either be directly vented to the atmosphere through an air exhaust or provide for collection and decay or disposal of the aerosol or gas in a shielded container.

C. Reserved.

D. Before receiving, using, or storing a radioactive gas, the licensee shall calculate the amount of time needed after a release to reduce the concentration in the area of use to the occupational limit listed in these regulations. The calculation shall be based on the highest activity of gas handled in a single container and the measured available air exhaust rate.

E. A licensee shall post the time calculated in LAC 33:XV.733.D at the area of use and require that, in case of a gas spill, individuals evacuate the room until the posted time has elapsed.

F. A licensee shall check the operation of collection systems monthly and measure the ventilation rates in areas of use at intervals not to exceed six months. Records of these checks and measurements shall be maintained for two years.

G. A copy of the calculations required in LAC 33:XV.733.D shall be recorded and retained for the duration of the license.