Through a settlement with the U.S. Environmental Protection Agency, the U.S. Postal Service (USPS) has certified that five of its facilities in Virginia are currently in compliance with federal and state underground storage tank (UST) regulations. As part of this certification, USPS has corrected violations associated with its failure to conduct release detection testing; line leak detector testing; a line tightness test, and failure to investigate/report a suspected release. The USPS will also pay a civil penalty of $55,258.