“The statutory limit as set by the EPA in South Australia for the management of radioactive materials, requiring a radiation management plan, is 200 ppm uranium.
The peak uranium concentration returned from a resource drill hole was 10 100 ppm.” from REX Minerals Mining Lease & Management Plan.
Listen to an Interview Steve Olsen talking up the high grade uranium find here. This should concern you! What can happen when it is discarded onto the wast dump