- 40 CFR 280.41(A)(2) - FAILURE TO CONDUCT ANNUAL TANK TIGHTNESS TESTING. - 40 CFR 280.41(B)(2) - FAILURE TO CONDUCT LINE TIGHTNESS TESTING EVERY 3 YEARS ON SUCTION PIPING. - 40 CFR 280.93(A) - FAILURE TO COMPLY WITH FINANCIAL RESPONSIBILITY REQUIREMENTS.