S.C. Code Ann. § 55-11-230
(A) An area designated as the airport environs area is created within the district for purposes of assuring land uses compatible with airport operations. The airport environs area consists of all property contained within the area described as follows:
All property consisting of the area described in the Air Installation Compatible Use Zone pursuant to DODINST 4165.57 established by the United States Air Force applicable to runways 3L-21R (11,000 feet) and the proposed parallel runways 3R-21L (8,500 feet) including the CLEAR ZONES, ACCIDENT POTENTIAL ZONE I, and the ACCIDENT POTENTIAL ZONE II. Specifically, the environs includes all property 1,000 feet to each side of the runway centerlines and in a corridor 3,000 feet (1,500 feet either side of the runway centerlines) wide, extending from the runway thresholds along the extended runway centerlines for a distance of 15,000 feet, and shall include the property located between the two corridors; provided, however, that the southwestern boundary of the environs area shall be the middle of Rocky Creek.
(B)
(1) There is created the Greenville-Spartanburg Airport Environs Planning Commission, the "Airport Environs Planning Commission", consisting of nine voting members, which have the powers enumerated herein, and which must be separately constituted from the Greenville-Spartanburg Airport Commission, as follows:
(f) two members must be appointed or reappointed biennially by the Greenville-Spartanburg Airport District, one from Spartanburg County, and one from Greenville County.
If the members are elected members of the county or municipal governing body or members of the district, each such representative shall serve ex officio and with full voting privileges.
(3) The Airport Environs Planning Commission is charged with the responsibility of:
(9) In developing the uniform land use plan and uniform building standards, the Airport Environs Planning Commission shall specifically address, among other items, the following specific issues:
(11)