Chapter 4	Sacramento Valley Carbon Monoxide Air Quality Table						Table 4-45													

CARBON MONOXIDE (ppm)	1983	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002
Peak 8-Hr. Indicator	13.2	13.0	13.2	14.6	14.4	13.4	14.0	14.7	14.8	12.9	10.7	9.6	9.3	8.5	7.7	7.3	7.0	7.0	7.3	6.0
Max. 1-Hr. Concentration	19.0	18.0	17.0	20.0	15.0	17.0	18.0	17.0	15.0	14.0	12.0	10.8	9.8	8.7	9.5	7.9	7.7	10.0	19.1	7.8
Max. 8-Hr. Concentration	14.1	12.4	13.3	13.9	10.0	12.3	15.9	14.0	12.3	8.6	9.4	8.4	7.4	7.2	7.2	7.1	6.6	6.3	5.3	4.3
Days Above State 8-Hr. Std.	6	6	12	13	5	12	22	14	9	0	2	0	0	0	0	0	0	0	0	0
Days Above Nat. 8-Hr. Std.	4	5	12	12	3	9	22	12	6	0	0	0	0	0	0	0	0	0	0	0