OKLAHOMA CARBON MONOXIDE
Highest 8 Hour Averages Through 1/24/2010
PPM
Site	2006	2007	2008	2009	2010
	1st          2nd	1st          2nd	1st          2nd	1st          2nd	1st          2nd
Tulsa	1.7     1.7	1.8     1.6	1.4     1.4	1.5      1.3	0.6      0.6
Site 191	12/6     12/7	2/22    12/5	12/6    12/7	7/1     1/22	1/12     1/13
Tulsa		2.18     1.80	1.42     1.26	1.23     1.23	1.37     1.23
Site 1127		1/26      1/3	1/27     1/12	11/1     12/11	1/19     1/18
OKC	2.1    1.9	2.3     2.1	Monitor Removed	Monitor Removed	Monitor Removed
Site 047	1/3   1/2	2/22   11/18
OKC			1.1     1.0	1.4     1.1	0.4     0.4
Site 033			12/7     3/1	1/31     1/29	1/8     1/9