An applicant shall notify the Bureau of Aviation of the Pennsylvania Department of Transportation, the Federal Aviation Administration and the airport if a proposed landfill or expansion is within 6 miles of an airport runway. The application shall include a copy of each notification and each response to each notification received by the applicant.
25 Pa. Code § 277.121
This section cited in 25 Pa. Code § 271.111 (relating to general); and 25 Pa. Code § 277.114 (relating to description of geology, soiils and hydrology-general requirements).