25 Pa. Code § 137.11
Forecast level actions shall prepare for the implementation of standby plans for an alert level action.
The provisions of this § 137.11 adopted January 27, 1972, effective January 28, 1972, 2 Pa.B. 383.
This section cited in 25 Pa. Code § 137.4 (relating to standby plans); and 25 Pa. Code § 137.5 (relating to implementation of emission reduction procedures).