(a)

1. (1) The Director of the Division of Environmental Quality may provide for interim payments, provided the investigation or corrective action is being conducted in accordance with an approved work plan or corrective action plan.

2. (2) Payment will only be made at the following times:

   1. (A) After the completion of a phase, as approved by the Division of Environmental Quality; or
   2. (B) At points during the corrective action process agreed to by the division and the applicant.

(c) For purposes of this section, the following are the phases of corrective action:

1. (1) Completion of site stabilization activities;
2. (2) Completion and submittal of a report for a preliminary investigation;
3. (3) Implementation of a free product removal system;
4. (4) Completion and submittal of a report for a secondary investigation and development of a corrective action plan;
5. (5) Implementation of a corrective action plan; and
6. (6) Provision of an alternate water supply.

(d)

1. (1) Applications for payments for the implementation of a phase may be submitted ninety (90) days following initiation of work to implement the phase and at ninety-day intervals thereafter until completion of the authorized activities.
2. (2) Upon request, the director may approve interim payments at more frequent intervals.

(e)

1. (1) Interim payments shall consist of payment of an amount not to exceed ninety percent (90%) of one million five hundred thousand dollars ($1,500,000).
2. (2) The remaining ten percent (10%) shall be released only upon final payment for corrective action concerning the occurrence.