Illinois EPA is actively processing payment of claims for work completed under the Illinois Leaking Underground Storage Tank Program. Currently, Illinois EPA is not able to update the Payment Priority List. However, to view the status of your claim, please visit the Office of the Comptroller at https://illinoiscomptroller.gov/vendors/ and follow the directions on the screen. Please note, you will need the Vendor TIN (FEIN or Social Security Number) and name of the Vendor to complete the request. If you have additional questions, after reviewing the status on the Comptroller’s website, please feel free to contact our fiscal office at 217-782-3250.