SINGLE METER CUSTOMER ONE METER PER HOUSE CONNECTED TO THE NEAREST TANK OF AMERIGAS MULTI METER CUSTOMER BOBTAIL IS THE DELIVERY TRUCK STORAGE = PROPANE TERMINAL PTI + PROPANE TRANSPORT INTERNATIONAL Source Of Igntiton 0-2000 Gal 10 ft from openings same goes with underground/multiple tanks Structure opening 0-2000 gal 5ft from the openings