FAILURE TO PROVIDE CONSISTENT TANK RELEASE DETECTION FOR 3 USTS. FAILURE TO MONITOR USTS FOR RELEASES EVERY 30 DAYS AS REQUIRED. TANKS 1 AND 2 - 11/1/106 THRU 12/31/06, 12/20/07 THRU 5/12/08, 7/11/08 THRU 01/02/08 AND 10/02/08 THRU 12/31/08. TANK THREE - 11/01/06 THRU 12/31/06, 30/09/08 THRU 05/12/08 AND 10/11/08 THRU 12/10/08, ATG MALFUNCTION.