![[logo] US EPA](http://www.epa.gov/epafiles/images/logo_epaseal.gif){kind=logo}
Carbon Monoxide Maintenance Areas That Are Not Classified
As of August 30, 2011
| Areas Listed Alphabetically | Classification | No. Counties NAA |
2000 Pop. | EPA Region |
State |
|---|---|---|---|---|---|
| Atlantic City, NJ | Not Classified | 1 | 41,343 | 2 | NJ |
| Bakersfield, CA | Not Classified | 1 | 368,867 | 9 | CA |
| Billings, MT | Not Classified | 1 | 91,232 | 8 | MT |
| Boise-Northern Ada County, ID | Not Classified | 1 | 197,423 | 10 | ID |
| Burlington, NJ | Not Classified | 1 | 10,373 | 2 | NJ |
| Charlotte, NC | Not Classified | 1 | 695,454 | 4 | NC |
| Detroit, MI | Not Classified | 3 | 1,446,819 | 5 | MI |
| East Chicago, IN | Not Classified | 1 | 5,088 | 5 | IN |
| Eugene-Springfield, OR | Not Classified | 1 | 215,769 | 10 | OR |
| Freehold, NJ | Not Classified | 1 | 12,429 | 2 | NJ |
| Great Falls, MT | Not Classified | 1 | 56,885 | 8 | MT |
| Greeley, CO | Not Classified | 1 | 98,827 | 8 | CO |
| Indianapolis, IN | Not Classified | 1 | 58,253 | 5 | IN |
| Lake Tahoe North Shore, CA | Not Classified | 1 | 11,501 | 9 | CA |
| Lake Tahoe, NV | Not Classified | 3 | 29,029 | 9 | NV |
| Lowell, MA | Not Classified | 1 | 105,167 | 1 | MA |
| Manchester, NH | Not Classified | 1 | 107,006 | 1 | NH |
| Morristown, NJ | Not Classified | 1 | 20,971 | 2 | NJ |
| Nashua, NH | Not Classified | 1 | 86,605 | 1 | NH |
| New Haven-Meriden-Waterbury, CT | Not Classified | 3 | 903,893 | 1 | CT |
| Penns Grove, NJ | Not Classified | 1 | 5,059 | 2 | NJ |
| Perth Amboy, NJ | Not Classified | 1 | 45,985 | 2 | NJ |
| Pittsburgh, PA | Not Classified | 1 | 335,668 | 3 | PA |
| Salem, OR | Not Classified | 2 | 135,269 | 10 | OR |
| Salt Lake City, UT | Not Classified | 1 | 181,743 | 8 | UT |
| Somerville, NJ | Not Classified | 1 | 14,309 | 2 | NJ |
| Springfield, MA | Not Classified | 1 | 152,082 | 1 | MA |
| St Louis, MO | Not Classified | 2 | 1,272,223 | 7 | MO |
| Toms River, NJ | Not Classified | 1 | 9,452 | 2 | NJ |
| Trenton, NJ | Not Classified | 1 | 93,513 | 2 | NJ |
| Tucson, AZ | Not Classified | 1 | 512,407 | 9 | AZ |
| Waltham, MA | Not Classified | 1 | 59,226 | 1 | MA |
| Worcester, MA | Not Classified | 1 | 172,648 | 1 | MA |
| Yakima, WA | Not Classified | 1 | 63,658 | 10 | WA |
| 34 Total Areas | 40 | 7,616,176 | |||
|
Prior designation retained by operation of law in 1991 but without measured violation based on 1988-89 or 1999-2000 data. |