40 CFR § 81.306
[Amendment] Colorado
June 9, 2020
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Colorado—2008 8-Hour Ozone NAAQS
[Primary and secondary]
Open Table
| Designation | Classification | |||
|---|---|---|---|---|
| Designated Area | Date1 | Type | Date1 | Type |
| Denver-Boulder-Greeley-Ft. Collins-Loveland, CO:2 | Nonattainment | 1/27/2020. | Serious. | |
| * * * * * * * | ||||
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