Biofuels Compendium - State Information - Illinois

Converting Existing Underground Storage Tank (UST) Systems to be Ethanol Compatible (PDF) (2 pp, 99K, About PDF)
This fact sheet, developed by the Illinois Office of the State Fire Marshal, provides guidance on equipment compatibility and conversion of underground storage tanks (USTs) for storing ethanol.
Statement of Compatibility (PDF) (1 pg, 15K, About PDF)
Illinois Office of the State Fire Marshal requires completing this form within 30 days of storing E85 in an UST.
Statute, Rule or Standard Policy Interpretation: Policy Number: 06-PCS-005 Alternative Fuel Compatibility (PDF) (4 pp, 22K, About PDF)
Prepared by the Illinois Office of the State Fire Marshal, this policy interpretation clarifies Illinois' regulation of biofuel compatibility in USTs.