Design, operation and closure of the disposal facility shall ensure protection of an individual from inadvertently intruding into the disposal site and occupying the site or contacting the waste after active institutional controls over the disposal site have been removed.
25 Pa. Code § 236.14
This section cited in 25 Pa. Code § 236.12 (relating to general requirement); and 25 Pa. Code § 236.225 (relating to requirements for issuance of a license).