Threats of Release Which Require Notification within 72 Hours

Except as provided in 310 CMR 40.0317, persons required to notifyunder 310 CMR 40.0331 shall notify the Department not more than 72 hours after obtaining knowledge of a threat of release of oil and/or hazardous material to the environment from an Underground Storage Tank, as established by a tightness test failure pursuant to 310 CMR 80.32: Requirements for Tank and Pipe/Line Tightness Testing.