Ill. Admin. Code tit. 35, § 1501.350
b) Budgets
2) The budget must be submitted on forms and in a format prescribed by the Agency and must include, at a minimum, the following:
A) Identification of the claimant and the remediation site, including the following:
B) Line-item estimates of the eligible remedial action costs for which the claimant will seek reimbursement, including the following:
iii) Remedial activities: groundwater remediation costs; soil excavation and soil disposal costs; soil remediation costs; backfill costs; groundwater remediation costs; and installation of building control technologies.
5) The Agency must review the budget in conjunction with the corresponding SRP plan to determine whether the estimated costs submitted are eligible remedial action costs and whether the costs estimated for the activities are reasonable.
6) Upon completion of the review, the Agency must issue a letter to the claimant approving, disapproving, or modifying the remedial action costs submitted in the budget. The following procedures, at a minimum, apply regarding Agency determinations:
C) If costs in a budget are disapproved or approved with modification, the written notification of the Agency’s budget determination must contain the following:
c) Reimbursement Requests
2) The reimbursement request must be submitted on forms and in a format prescribed by the Agency and must include, at a minimum, the following information:
A) Identification of the claimant and the remediation site, including:
B) Line-item costs that the claimant incurred for the development and implementation of the SRP plan, including:
iii) Remedial activities: groundwater remediation costs; soil excavation and soil disposal costs; soil remediation costs; backfill costs; groundwater remediation costs; and installation of building control technologies.
3) The Agency must review the reimbursement request to determine whether the submitted actual costs fall within the previously approved budget, and otherwise comply with this Part, 35 Ill. Adm. Code 740, the EPAct, and the DERT Fund Act.
4) Upon completion of the review, the Agency must issue a letter to the claimant approving, denying, or modifying the remedial action costs submitted in the reimbursement request. The following considerations apply regarding Agency determinations:
B) If a reimbursement request is denied or approved with modification, the written notification must contain the following:
d) Payment
4) When the Agency determines that full funds are available for reimbursement, the Agency must prepare vouchers for payment as follows: