Nevada Administrative Code
Chapter 459 - Hazardous Materials
RADIATION CONTROL
Radiation Safety Requirements for Well Logging
Section 459.771 - Logging supervisors: Presence at temporary job sites; surveillance of operations

1. A logging supervisor shall be physically present at a temporary job site when radioactive materials are being handled or are not stored and locked in a vehicle or storage place. The logging supervisor may leave the temporary job site in order to obtain assistance if a source becomes lodged in a well.

2. Except when radiation sources are below ground or in shipping or storage containers, a logging supervisor or other person designated by the logging supervisor shall, during well logging, maintain direct surveillance of the operation to prevent unauthorized entry into a restricted area, as defined in NAC 459.090.