52.2022—Extensions.
(a)
The Administrator hereby extends for 18 months the statutory timetable for submission of Pennsylvania's plan for attainment and maintenance of the secondary standards for sulfur oxides and particulate matter in the Southwest Pennsylvania Intrastate Region and in Pennsylvania's portion of the Metropolitan Philadelphia Interstate Region.
(b)
The Administrator hereby extends for 2 years the attainment date for the national standards for carbon monoxide in the Southwest Pennsylvania Intrastate Region, for 1 year the attainment date for the national standard for photochemical oxidants in the Southwest Pennsylvania Intrastate Region, and for 1 year the attainment date for the national standards for carbon monoxide in the Pennsylvania portion of the Metropolitan Philadelphia Interstate Region.
(c)
The Administrator hereby extends for 18 months, until July 1, 1980, the statutory timetable for submission of Pennsylvania's plan for attainment and maintenance of the secondary national ambient air quality standard for particulate matter in Pennsylvania's portion of the Metropolitan Philadelphia Interstate Air Quality Control Region.
(d)
The Administrator hereby extends the attainment date for the national ambient air quality standard for ozone to December 31, 1987 for the following counties:
Allegheny, Armstrong, Beaver, Butler, Washington, Westmoreland, Bucks, Chester, Delaware, Montgomery, Philadelphia, Lehigh, and Northampton.
(e)
The Administrator hereby extends the dates for attainment of the national ambient air quality standard for carbon monoxide to December 31, 1987 in Philadelphia County and to December 31, 1985 in Allegheny County.