e-CFR banner

Home
gpo.gov
govinfo.gov

e-CFR Navigation Aids

Browse

Simple Search

Advanced Search

 — Boolean

 — Proximity

 

Search History

Search Tips

Corrections

Latest Updates

User Info

FAQs

Agency List

Incorporation By Reference

eCFR logo

Related Resources

 

Electronic Code of Federal Regulations

e-CFR data is current as of December 3, 2019

Title 40Chapter ISubchapter CPart 81Subpart B → §81.85


Title 40: Protection of Environment
PART 81—DESIGNATION OF AREAS FOR AIR QUALITY PLANNING PURPOSES
Subpart B—Designation of Air Quality Control Regions


§81.85   Metropolitan Sioux Falls Interstate Air Quality Control Region.

The Metropolitan Sioux Falls Interstate Air Quality Control Region (Iowa-South Dakota) has been revised to consist of the territorial area encompassed by the boundaries of the following jurisdictions or described area (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 Iowa: Lyon County.

In the State of South Dakota: Lincoln County, McCook County, Minnehaha County, Turner County.

Note: For purposes of identification, this Region is referred to by Minnesota authorities as follows:

Sec.

481.60   Duluth (Minnesota)-Superior (Wisconsin) Interstate Air Quality Control Region: Northeast Minnesota Region.

For purposes of identification, these Regions are referred to by Wisconsin authorities as follows:

481.60   Duluth (Minnesota)-Superior (Wisconsin) Interstate Air Quality Control Region: Northwestern Wisconsin Region.

481.66   Southeast Minnesota-La Crosse (Wisconsin) Interstate Air Quality Control Region: West Central Wisconsin Region.

Need assistance?