FACILITY NAME: MILE POST 392, HIGHWAY 264, POLACCA, AZ 86054. BRIEF SUMMARY: FAILURE TO CONDUCT LINE TIGHTNESS TESTING TEST OR USE MONTHLY MONITORING ON SUCTION PIPING. FAILURE TO CONDUCT AN ADEQUATE TIGHTNESS TEST FOR BOTH TANKS. FAILURE TO PROVIDE RELEASE DETECTION PERFORMANCE CLAIM FOR TANK TIGHTNESS TEST. (NOTE: AFTER FURTHER EVALUATION, THIS MATTER WAS WITHDRAWN IN FEBRUARY OF 1999.)