§ 78a.59c. Centralized impoundments.
(a) An operator using a centralized impoundment as of October 8, 2016, shall close the centralized impoundment in accordance with this section or obtain a permit in accordance with Subpart D, Article IX (relating to residual waste management). The closure plan shall be submitted electronically to the Department through its web site for review and approval no later than April 8, 2017. The operator shall properly close the centralized impoundment in accordance with the approved plan or obtain a permit in accordance with Subpart D, Article IX no later than October 8, 2019.
(b) The closure plan must provide for the following:
(1) Removal of any impermeable membrane, concrete and earthen liner so that water movement to subsoils is achieved.
(2) Restoration of the site to approximate original conditions, including preconstruction contours, and backfilling the impoundment to above finished grade to allow for settlement of fill and so the impoundment will no longer impound water.
(3) A plan for the removal of equipment, structures, wastes and related material from the facility.
(4) An estimate of when final closure will occur, including an explanation of the basis for the estimate.
(5) A description of the steps necessary for closure of the facility.
(6) A narrative description, including a schedule of measures that are proposed to be carried out in preparation for closure and after closure at the facility, including measures relating to the following:
(i) Water quality monitoring including, but not limited to, analyses of samples from the monitoring wells that were installed at the time of the construction of the centralized impoundment.
(ii) A soil sampling plan that explains how the operator will analyze the soil beneath the impoundment’s liners. Analysis shall be based on a grid pattern or other method approved by the Department. Any spills or leaks detected shall be reported and remediated in accordance with § 78a.66 (relating to reporting and remediating spills and releases) prior to impoundment closure.
(iii) Compliance with Chapter 102 (relating to erosion and sediment control) including erosion and sediment control and PCSM.
(iv) Access control, including maintenance of access control.
(v) The name, address and telephone number at which the operator may be reached.
Cross References This section cited in 25 Pa. Code § 78a.63a (relating to alternative waste management).
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