Section 30.615 - Emergency Repairs; Contingency Plans(1) A surface impoundment shall be removed from service in accordance with 310 CMR 30.615(2) when: (a) The level of liquids in the impoundment drops and the drop is not known to be caused by change of the flow into or out of the impoundment; or(2) When a surface impoundment must be removed from service pursuant to 310 CMR 30.615(1), the owner or operator shall:(a) Immediately shut off the flow or stop the addition of wastes into the impoundment; if the impoundment is at the site of generation of the waste and if adequate alternate storage is unavailable, the owner or operator shall discontinue every process which is generating the waste;(b) Immediately contain all surface leakage which has occurred or is occurring;(c) Immediately stop the leak;(d) Take all other necessary steps to stop or prevent catastrophic failure;(e) If a leak cannot be stopped by any other means, empty the impoundment and manage such hazardous waste in compliance with 310 CMR 30.000; and(f) Notify the Department immediately by the quickest available means, followed by a written notification within seven days.(3) As part of the contingency plan required by 310 CMR 30.520 through 30.524, the owner or operator shall specify a procedure for complying with the requirements of 310 CMR 30.615(2). The contingency plan shall also include a description of the repair techniques to be used in the event of leakage due to containment system failure or deterioration which does not require the impoundment to be removed from service.(4) No surface impoundment that has been removed from service pursuant to 310 CMR 30.615 shall be restored to service until the portion of the impoundment which was failing is repaired and the following steps are taken:(a) If the impoundment was removed from service as a result of actual or imminent dike failure, the dike's structural integrity is recertified in accordance with 310 CMR 30.614(4).(b) If the impoundment was removed from service as a result of a drop in the liquid level, then: 1. For any existing portion of the impoundment, as a minimum, a single liner is installed in compliance with the requirements of 310 CMR 30.612(1);2. A newly installed or repaired liner system is certified by an independent Massachusetts registered professional engineer as meeting the design specifications approved in the license or otherwise approved by the Department.(c) The Department is notified when the impoundment will be restored to service.(5) A surface impoundment that has been removed from service pursuant to 310 CMR 30.615 and that is not being repaired shall be closed in compliance with 310 CMR 30.617.