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Green Book

1-Hour Ozone (1979) Incomplete Maintenance Areas - NAAQS Revoked

As of June 15, 2005

Areas Listed Alphabetically Design
Values
(ppm)
Avg
Expected
Exceedences
No. of
NAA
Counties
2000
Pop.
(1000's)
EPA
Region
State Located
in
MSA/
CMSA
Allegan Co, MI 0.000 0.0 1 106 5 MI no
Beauregard Par, LA 0.000 0.0 1 33 6 LA no
Columbiana Co, OH 0.000 0.0 1 112 5 OH no
Grant Par, LA 0.091 0.0 1 19 6 LA no
LaFourche Par, LA 0.107 0.0 1 90 6 LA msa
Saginaw-Bay City-Midland, MI 0.000 0.0 3 403 5 MI msa
St James Par, LA 0.109 0.0 1 21 6 LA no
St Mary Par, LA 0.101 0.0 1 54 6 LA no
Victoria, TX 0.110 0.0 1 84 6 TX msa
 
9 Total Areas 11 922  
 

Prior designation retained by operation of law in 1991 but without measured violation based on 1987-89 data. Totals were adjusted to account for multiple areas in a single county. The former 1-Hour Ozone designations and classifications as of June 15, 2004, are being retained in subpart C of Part 81 for purposes of the anti backsliding provisions of 40 CFR 51.905. 40 CFR 51.905(c) references subpart C of part 81 for the areas affected by the anti-backsliding regulation.


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