25 Pa. Code § 288.557
The operator shall immediately notify the Department and describe remedial steps to be taken whenever:
This section cited in 25 Pa. Code § 287.114 (relating to interim operational requirements for unpermitted processing or disposal facilities); 25 Pa. Code § 287.116 (relating to interim operational requirements); 25 Pa. Code § 288.513 (relating to leachate treatment plan); 25 Pa. Code § 288.514 (relating to modifications of leachate treatment plan); 25 Pa. Code § 288.521 (relating to basic limitations); and 25 Pa. Code § 288.551 (relating to scope).