* Plan not certified by a professional engineer
* Inspections required by 40 CFR Part 112 are not in accordance with written procedures developed for the facility.
* Written procedures and a record of inspections are not made part of the plan
* Written procedures and a a record of inspections are not maintained for three years.
* Excessive vegetation which affects the integrity of the containment system.
* Walls of containment system are slightly eroded or have low areas.
* Adequatae records of drainage events are not maintained.
* Outside of tank not frequently observed for signs of deterioration, leaks which might cause a spill, or accumulation of oil inside diked area.
* Secondary containment inadequate for mobile or portable storage tanks.
* Aboveground valves and pipelines are not inspected regularly.
* Containment system does not hold at least the maxiumum capacity of the largest single compartment of any tank car or tank truck.
* Facility not fully fenced and entrance gates are not locked and/or guarded when plant is unattended or not in production.