Nevada Administrative Code
Chapter 459 - Hazardous Materials
STORAGE TANKS
Section 459.9946 - Underground storage tanks: Secondary containment system required upon replacement of tank or piping; exceptions

1. Except as otherwise provided in subsection 2 , secondary containment which meets the criteria set forth in 40 C.F.R. § 280.20 is required for any existing underground storage tank which is replaced, including the replacement of any piping that constitutes a portion of the underground storage tank regardless of whether the piping is replaced in conjunction with or separately from other portions of the underground storage tank.

2. The provisions of subsection 1 apply solely to those portions of an underground storage tank that are replaced and not to any other portion that remains in place, including any other underground storage tank that is connected to the replaced tank by piping or coupled through a manifold.

3. Piping is not considered to be replaced for purposes of this section unless the entire amount of a run of piping , excluding connectors, from one component to another component of the underground storage tank is replaced, including, without limitation, a component consisting of an individual tank, dispenser or piece of ancillary equipment.