No later than twenty-four (24) hours after he/she suspects a release from a tank or ancillary equipment has occurred, the owner and the operator of a UST shall notify the Agency orally or in writing. Within fourteen (14) days after he/she suspects a leak, the owner and operator shall report to the Agency in writing regarding the substance released, the quantity released, the cause of the release, the time when the release occurred and the corrective action taken as of the date of the report.

COL3/1/2019 9
10 Guam Code Ann. HEALTH AND SAFETY
CH. 76 UNDERGROUND STORAGE OF REGULATED SUBSTANCES