Section 459.752 - Safety requirements: Ventilation systems1. A means must be provided to ensure that personnel entering any area where airborne radioactivity may be produced will not be exposed to airborne radioactive material in excess of the limits specified in Table I of Appendix B.2. A registrant, as required by NAC 459.3355, shall not vent, release or otherwise discharge airborne radioactive material to an unrestricted area in excess of the limits specified in Table II of appendix B, except as authorized pursuant to NAC 459.3355. For the purposes of NAC 459.740 to 459.752, inclusive, concentrations may be averaged over a period not greater than 1 year. Every reasonable effort must be made to maintain releases of radioactive material to uncontrolled areas as far below these limits as is reasonably achievable.Nev. Admin. Code § 459.752
Bd. of Health, Radiation Control Reg. §§ 9.3.8-9.3.8.2, eff. 2-28-80-NAC A 1-18-94