4. It is the responsibility of the Class B operator, not the Class A operator, to a make sure that all Class C operators understand the procedure for making a delivery of product into a UST system?
5. The delivery driver should verify the level of product in the UST while the delivery is in progress?
6. In the event that a release of product from a UST system is confirmed within how many hours of the confirmation must it be reported to the authority having jurisdiction?