Chapter 4	Carbon Monoxide Air Quality Table						Table 4-11													

CARBON MONOXIDE (ppm)	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004
Peak 8-Hr. Indicator	21.1	21.1	21.7	21.9	22.5	21.9	19	17.7	16.5	16.7	15.6	16.1	15.5	15.4	13.7	12.6	11.2	9.4	8.7	8.3
Max. 1-Hr. Concentration	33	27	26	32	31	24	30	28	21	24.9	16.8	22.5	19.2	17	19	13.8	11.7	15.8	12.2	10.4
Max. 8-Hr. Concentration	27.7	19.7	19.6	27.5	21.8	16.8	17.4	18.8	14.6	18.2	13.8	17.5	17.1	13.3	11.2	10.1	7.6	10.1	7.3	6.5
Days Above State 8-Hr. Std.	64	58	50	73	71	50	51	39	29	27	17	26	18	13	11	6	0	1	0	0
Days Above Nat. 8-Hr. Std.	54	49	40	65	67	42	41	34	19	19	14	19	13	10	7	3	0	1	0	0