(a) After signing a voluntary cleanup agreement, the person shall prepare and submit the appropriate work plans and reports to the executive director.
(b) The executive director shall review and evaluate the work plans and reports for accuracy, quality, and completeness. The executive director may approve a voluntary cleanup work plan or report or, if a work plan or report is not approved, notify the person concerning additional information or commitments needed to obtain approval.

(c) At any time during the evaluation of a work plan or report, the executive director may request the person to submit additional or corrected information.
(d) After considering future land use, the executive director may approve work plans and reports submitted under this section that do not require removal or remedy of all discharges, releases, and threatened releases at a site if the partial response actions for the property:
(1) will be completed in a manner that protects human health and the environment;
(2) will not cause, contribute, or exacerbate discharges, releases, or threatened releases that are not required to be removed or remedied under the work plan; and
(3) will not interfere with or substantially increase the cost of response actions to address the remaining discharges, releases, or threatened releases.