Section R315-319-104 - Closure and Post-Closure Care - Post-Closure Care Requirements(a) Applicability. (1) Except as provided by either Subsection R315-319-104(a)(2) or (3), Section R315-319-104 applies to the owners or operators of CCR landfills, CCR surface impoundments, and all lateral expansions of CCR units that are subject to the closure criteria under Section R315-319-102.(2) An owner or operator of a CCR unit that elects to close a CCR unit by removing CCR as provided by Subsection R315-319-102(c) is not subject to the post-closure care criteria under Section R315-319-104.(3) An owner or operator of an inactive CCR surface impoundment that elects to close a CCR unit pursuant to the requirements under Subsection R315-319-100(b) is not subject to the post-closure care criteria under Section R315-319-104.(b) Post-closure care maintenance requirements. Following closure of the CCR unit, the owner or operator shall conduct post-closure care for the CCR unit, which shall consist of at least the following:(1) Maintaining the integrity and effectiveness of the final cover system, including making repairs to the final cover as necessary to correct the effects of settlement, subsidence, erosion, or other events, and preventing run-on and run-off from eroding or otherwise damaging the final cover;(2) If the CCR unit is subject to the design criteria under Section R315-319-70, maintaining the integrity and effectiveness of the leachate collection and removal system and operating the leachate collection and removal system in accordance with the requirements of Section R315-319-70; and(3) Maintaining the groundwater monitoring system and monitoring the groundwater in accordance with the requirements of Sections R315-319-90 through 98.(c) Post-closure care period. (1) Except as provided by Subsection R315-319-104(c)(2), the owner or operator of the CCR unit shall conduct post-closure care for 30 years.(2) If at the end of the post-closure care period the owner or operator of the CCR unit is operating under assessment monitoring in accordance with Section R315-319-95, the owner or operator shall continue to conduct post-closure care until the owner or operator returns to detection monitoring in accordance with Section R315-319-95.(d) Written post-closure plan(1) Content of the plan. The owner or operator of a CCR unit shall prepare a written post-closure plan and any amendments to the plan. The plan shall include, at a minimum, the information specified in Subsections R315-319-104(d)(1)(i) through (iii). (i) A description of the monitoring and maintenance activities required in Subsection R315-319-104(b) for the CCR unit, and the frequency at which these activities will be performed;(ii) The name, address, telephone number, and email address of the person or office to contact about the facility during the post-closure care period; and(iii) A description of the planned uses of the property during the post-closure period. Post-closure use of the property shall not disturb the integrity of the final cover, liner(s), or any other component of the containment system, or the function of the monitoring systems unless necessary to comply with the requirements in Sections R315-319-50 through 107. Any other disturbance is allowed if the owner or operator of the CCR unit demonstrates that disturbance of the final cover, liner, or other component of the containment system, including any removal of CCR, will not increase the potential threat to human health or the environment. The demonstration shall be certified by a qualified professional engineer, and notification shall be provided to the Director that the demonstration has been placed in the operating record and on the owners or operator's publicly accessible Internet site.(2) Deadline to prepare the initial written post-closure plan(i) Existing CCR landfills and existing CCR surface impoundments. No later than October 17, 2016, the owner or operator of the CCR unit shall prepare an initial written post-closure plan consistent with the requirements specified in Subsection R315-319-104(d)(1).(ii) New CCR landfills, new CCR surface impoundments, and any lateral expansion of a CCR unit. No later than the date of the initial receipt of CCR in the CCR unit, the owner or operator shall prepare an initial written post-closure plan consistent with the requirements specified in Subsection R315-319-104(d)(1).(iii) The owner or operator has completed the written post-closure plan when the plan, including the certification required by Subsection R315-319-104(d)(4), has been placed in the facility's operating record as required by Subsection R315-319-105(i)(4).(3) Amendment of a written post-closure plan. (i) The owner or operator may amend the initial or any subsequent written post-closure plan developed pursuant to Subsection R315-319-104(d)(1) at any time.(ii) The owner or operator shall amend the written closure plan whenever:(A) There is a change in the operation of the CCR unit that would substantially affect the written post-closure plan in effect; or(B) After post-closure activities have commenced, unanticipated events necessitate a revision of the written post-closure plan.(iii) The owner or operator shall amend the written post-closure plan at least 60 days prior to a planned change in the operation of the facility or CCR unit, or no later than 60 days after an unanticipated event requires the need to revise an existing written post-closure plan. If a written post-closure plan is revised after post-closure activities have commenced for a CCR unit, the owner or operator shall amend the written post-closure plan no later than 30 days following the triggering event.(4) The owner or operator of the CCR unit shall obtain a written certification from a qualified professional engineer that the initial and any amendment of the written post-closure plan meets the requirements of Section R315-319-104.(e) Notification of completion of post-closure care period. No later than 60 days following the completion of the post-closure care period, the owner or operator of the CCR unit shall prepare a notification verifying that post-closure care has been completed. The notification shall include the certification by a qualified professional engineer verifying that post-closure care has been completed in accordance with the closure plan specified in Subsection R315-319-104(d) and the requirements of Section R315-319-104. The owner or operator has completed the notification when it has been placed in the facility's operating record as required by Subsection R315-319-105(i)(13).(f) The owner or operator of the CCR unit shall comply with the recordkeeping requirements specified in Subsection R315-319-105(i), the notification requirements specified in Subsection R315-319-106(i), and the Internet requirements specified in Subsection R315-319-107(i).Utah Admin. Code R315-319-104
Adopted by Utah State Bulletin Number 2016-18, effective 9/1/2016