Illinois Administrative Code
Title 41 - FIRE PROTECTION
Part 174 - GENERAL REQUIREMENTS FOR UNDERGROUND STORAGE TANKS AND THE STORAGE, TRANSPORTATION, SALE AND USE OF PETROLEUM AND OTHER REGULATED SUBSTANCES
Subpart D - PORTABLE AND VEHICULAR DISPENSING
Section 174.400 - Dispensing Requirements at Motor Fuel Dispensing Facilities

a) All dispensing of motor fuels at motor fuel dispensing facilities shall only be directly into the fuel tanks of motor vehicles when the tanks are connected with the fuel systems of the vehicles, or into safety cans, or portable containers, or portable tanks in compliance with Section 174.410.

b) With the exception of industrial or fleet facilities with no connection to any UST from which regulated products are sold at retail to the public, the capacity of the total of all compartments of any UST installed at a motor fuel dispensing facility shall not exceed 30,000 gallons.