OKLAHOMA CARBON MONOXIDE
	Highest 8 Hour Averages as of 12/31/05
	PPM
	Site	2001	2002	2003	2004	2005
		1st          2nd	1st          2nd	1st          2nd	1st          2nd	1st          2nd
	Tulsa	4.1          3.5	2.8         2.7	2.3          2.2	2.0     1.8	1.5     1.5
	Site 191	1/6          11/16	8/27       8/26	2/12        2/13	1/23     1/22	1/25    1/26
	Tulsa	5.5         4.1	3.2         2.9	3.1         2.4	Site Closed	Site Closed
	Site 126	1/6        12/7	2/2        2/17	2/12       1/3
	OKC	4.2           3.4	3.3           2.7	3.4        2.8	2.4     2.1	2.4     2.1
	Site 047	1/15        11/5	1/15       12/26	1/1        1/21	6/26   11/20	6/25  12/13
	OKC	2.5           2.4	2.9           2.4	Site Closed	Site Closed	Site Closed
	Site 025	12/1        1/15	2/1        12/26
	Moore	1.7            1.5	1.9           1.7	1.4        1.4	Monitor Closed	Monitor Closed
	Site 049	1/15         1/22	2/2         2/17	1/1        1/3
	Lawton	2.4          2.1	2.3          2.1	2.2       1.8	1.0      1.0	1.0     0.9
	Site 647	1/4         12/2	12/15    12/14	1/4       1/8	1/22     4/8	2/4    2/10