In granting variances, the department shall be guided by the underlying policy that the proprietor of each existing airport having a noise impact area be required to develop and implement programs to reduce the noise impact area of the airport to an acceptable degree in an orderly manner over a reasonable period of time.
Cal. Code Regs. Tit. 21, § 5050
Note: Authority cited: Section 21669, Public Utilities Code. Reference: Sections 21669- 21669.4, Public Utilities Code.