Oregon Oregon Health Authority, Public Health Division
As used in this division, these terms have the definitions as set forth below:
Concentrations of radioactive material in excess of those concentrations listed in 10 CFR Part 30.70, Schedule A; or
Concentrations of naturally occurring radioactive material or other radioactive material not listed in 10 CFR Part 30.70, Schedule A, which the Authority has determined to present a biological hazard to the occupational or public health and safety.
“Tailings” means any material produced, other than the primary product, in any industrial activity including mining, milling, processing and production.