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 § 273.121
This section cited in 25 Pa. Code § 273.111 (relating to general); 25 Pa. Code § 273.114 (relating to description of geology, soils and hydrology-general requirements).