OKLAHOMA CARBON MONOXIDE
Highest 8 Hour Averages Through 12/31/2009
PPM
Site	2005	2006	2007	2008	2009
	1st          2nd	1st          2nd	1st          2nd	1st          2nd	1st          2nd
Tulsa	1.5     1.5	1.7     1.7	1.8     1.6	1.4      1.4	1.5     1.3
Site 191	1/25     1/26	12/6    12/7	2/22    12/5	12/6     12/7	7/1     1/22
Tulsa			2.18     1.80	1.42     1.26	1.23     1.23
Site 1127			1/26     1/3	1/27     1/12	11/1     12/11
OKC	2.4     2.0	2.1     1.9	2.3     2.1	Monitor Removed	Monitor Removed
Site 047	6/25   1/20	1/3    1/2	2/22     11/18
OKC				1.1     1.0	1.4     1.1
Site 033				12/7     3/1	1/31     1/29
Lawton	1.0      0.9	Monitor Removed	Site Closed	Site Closed	Site Closed
Site 647	2/4     2/10