OKLAHOMA CARBON MONOXIDE
 Highest 8 Hour Averages as of 12/26/02
PPM
Site 1999 2000 2001 2002
  1st          2nd 1st          2nd 1st          2nd 1st          2nd
Tulsa 3.5            3.0 3.3           3.0 4.1          3.5 2.8         2.7
Site 191 11/11        1/17 11/28      11/3   1/6          11/16  8/27       8/26
         
Tulsa 3.9           3.5 3.8           3.7 5.5         4.1 3.2         2.9
Site 126 11/16     10/26 2/7        11/28  1/6        12/7  2/2        2/17
         
OKC 4.6            4.2   4.2            4.1 4.2           3.4 3.3           2.7
Site 047  11/16      11/11    2/7          11/28 1/15        11/5 1/15       12/26
         
OKC 3.1           2.9 3.2           3.1 2.5           2.4 2.9           2.4
Site 025 11/27      11/10 11/28       1/30 12/1        1/15  2/1        12/26
         
Moore  2.7           2.2 2.8           1.9 1.7            1.5  1.9           1.7
Site 049 11/16      11/20 11/30      1/30 1/15         1/22 2/2         2/17
         
Lawton 1.7           1.6  1.4           1.3 2.4          2.1 2.3          2.1
Site 647 4/4          1/11  12/15       12/7  1/4         12/2  12/15    12/14