Which National Leak Prevention Association Standard on lining of USTs is adopted by reference in the MUSTR?

The National Leak Prevention Association Standard on lining of Underground Storage Tanks (USTs) that is adopted by reference in the Minnesota Uniform Storage Tank Regulations (MUSTR) is indeed 631. This standard provides guidelines and requirements for the application of linings to USTs to prevent leaks and protect the environment. The adoption of this standard ensures that USTs are constructed and maintained in a way that minimizes the potential for leaks, which can lead to soil and groundwater contamination.

The standard addresses various aspects of lining applications, including material selection, installation procedures, and inspection protocols, all critical components for effective leak prevention. Compliance with this standard is integral for operators to ensure that their UST systems remain safe and environmentally sound. Understanding this standard is essential for anyone responsible for operating or maintaining USTs, enabling them to adhere to best practices in leak prevention and protection of public health and the environment.