§ 81.15 Metropolitan Philadelphia Interstate Air Quality Control Region (Pennsylvania-New Jersey-Delaware).

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Title 40—Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER C—AIR PROGRAMS > PART 81—DESIGNATION OF AREAS FOR AIR QUALITY PLANNING PURPOSES > Subpart B—Designation of Air Quality Control Regions

This text was captured on Sep 22, 2026. It is a snapshot, not a live feed, so check the official code before relying on it.

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The Metropolitan Philadelphia Interstate Air Quality Control Region (Pennsylvania-New Jersey-Delaware) consists of the territorial area encompassed by the boundaries of the following jurisdictions (including the territorial area of all municipalities (as defined in section 302(f) of the Clean Air Act, 42 U.S.C. 1857h(f)) geographically located within the outermost boundaries of the area so delimited):

In the State of Pennsylvania: Bucks County, Chester County, Delaware County, Montgomery County, Philadelphia County.

In the State of New Jersey: Burlington County, Camden County, Gloucester County, Mercer County, Salem County.

In the State of Delaware: New Castle County.

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