S.C. Code Regs. § § 61-79.264.K.227

Current through Register Vol. 48, 12, December 27, 2024

Section 61-79.264.K.227 - Emergency repairs; contingency plans

(a) A surface impoundment must be removed from service in accordance with paragraph (b) of this section when:

(1) The level of liquids in the impoundment suddenly drops and the drop is not known to be caused by changes in the flows into or out of the impoundment ; or

(2) The dike leaks.

(b) When a surface impoundment must be removed from service as required by paragraph (a) of this section, the owner or operator must:

(1) Immediately shut off the flow or stop the addition of wastes into the impoundment;

(2) Immediately contain any surface leakage which has occurred or is occurring;

(3) Immediately stop the leak;

(4) Take any other necessary steps to stop or prevent catastrophic failure;

(5) If a leak cannot be stopped by any other means, empty the impoundment; and,

(6) Notify the Department of the problem in writing within seven days after detecting the problem.

(c) As part of the contingency plan required in R.61-79.264 Subpart D, the owner or operator must specify a procedure for complying with the requirements of paragraph (b) of this section.

(d) No surface impoundment that has been removed from service in accordance with the requirements of this section may be restored to service unless the portion of the impoundment which was failing is repaired and the following steps are taken:

(1) If the impoundment was removed from service as the result of actual or imminent dike failure, the dike's structural integrity must be recertified in accordance with Section264.226(c)(c).

(2) If the impoundment was removed from service as the result of a sudden drop in the liquid level, then:

(i) For any existing portion of the impoundment, a liner must be installed in compliance with 264.221(a); and

(ii) For any other portion of the impoundment, the repaired liner system must be certified by a registered engineer as meeting the design specifications specified in the permit application.

(e) A surface impoundment that has been removed from service in accordance with the requirements of this section and that is not being repaired must be closed in accordance with the provisions of Section264.228.

S.C. Code Regs. § 61-79.264.K.227

Amended by State Register Volume 10, Issue No. 1, eff January 24, 1986; State Register Volume 11, Issue No. 11, eff November 27, 1987; State Register Volume 14, Issue No. 11, eff November 23, 1990; State Register Volume 16, Issue No. 12, eff December 25, 1992; State Register Volume 17, Issue No. 12, eff December 24, 1993.