A delivery vehicle must be separated from any aboveground tank to which it is delivering fuel by at least 25 ft. (7.6 m) if possible.

1. (1) No minimum separation distance is required for storage tanks that are filled by gravity.
2. (2) The required minimum separation distance will be reduced to 15 ft. (4.6 m) where the fuel being delivered is not a Class I liquid.

Added at 17 Ok Reg 2875, eff 7-15-00