The facility was inspected by VIDPNR on several occasions. The facility was to close or upgrade their USTs. Suspecting a release, DPNR referred the site to US EPA in 2009. EPA issued Information Request Letters. The releases had been addressed and no further action was required there but the release detection method deployed by the facility was expired. EPA issued a Field Citation from the desk. The facility installed ATGs ensuring compliance with 280.40(a). DPNR oversaw installation and confirmation provided to US EPA.