1. (a) Extension. The DEQ may extend the post-closure monitoring and care period if:

   1. (1) sampling shows the presence of elevated levels of any constituent;
   2. (2) evidence of contamination resulting from site operations is found to exist;
   3. (3) prior maintenance or monitoring of the site is found to be inadequate;
   4. (4) the site is producing leachate that must be treated prior to discharge; or
   5. (5) if other conditions are present that indicate a need for additional post-closure monitoring and care.
2. (b) Additional requirements. When the post-closure period is extended, the DEQ may require the maintenance of existing financial assurance, the posting of additional assurance, and/or may require corrective action.

Added at 20 Ok Reg 1151, eff 6-1-03