Appendix B	Carbon Monoxide - Maximum 8-Hour Concentration (ppm)								Table B-17											

AIR BASIN	1983	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002
GREAT BASIN VALLEYS	7.9	7.3	7.4	6	6.3	5	5.4	4.4	5	4.4	4.5	5.4	5.4	3	3.4	3		2.5	2.5	1.8
LAKE COUNTY							2.2	2.6	3.1											
LAKE TAHOE	17.4	14.8	16.3	12.5	13	12.5	11.3	10.1	9.2	9.9	7.5	7.1	6.3	5.1	3.8	4.3	2.4	2.8	1.9	3
MOJAVE DESERT	6.3	4.9	5.7	4.6	4	5.9	7.1	8.3	7.1	5.4	5.9	5.6	5	7.5	4	3.6	5.4	4.3	3.3	2.2
MOUNTAIN COUNTIES				4.2	2.3		4.6	3.5	0.1	4.5	5.4	5.4	3.4	2.6	1.9	5.5	3	1.6	4.3	1.5
NORTH CENTRAL COAST	2.1	3	3.3	2.3	2.3	2.4	2.4	2.5	2.5	2.9	2.7	2.1	2.1	2.6	1.8	2.2	1.8	1.4	1.6	1.4
NORTH COAST		4.1	5.5	3.1	3	1	4.5	3.5		0.6	2.4		3.2	2.7	3.2	3.5	3.7	2.6	2.3	2.5
NORTHEAST PLATEAU					10.4	1.8														
SACRAMENTO VALLEY	14.1	12.4	13.3	13.9	10	12.3	15.9	14	12.3	8.6	9.4	8.4	7.4	7.2	7.2	7.1	6.6	6.3	5.3	4.3
SALTON SEA	2.8	2.1	2.6	3.6	2.9	2.1	2.9	2.3	2.5	2.4	2	13.1	22.9	22.1	17.8	14.4	17.9	15.5	12.3	11.6
SAN DIEGO	12.1	8.5	13	10.4	9.4	10.3	10.5	9.1	7.9	7.9	7.5	7.5	6.3	7.1	5.4	4.8	6	5.9	5.1	4.7
SAN FRANCISCO BAY AREA	10.6	12.1	16.1	12.6	10	12.8	12	11	11	7.8	7.9	8.8	5.8	7	6.1	6.3	6.3	7	5.1	5.1
SAN JOAQUIN VALLEY	14.3	15.7	11	16.3	12.9	16.5	13.4	11.5	11.4	8.3	9.3	8.9	9.1	7.7	7.5	8	7.8	6.6	6	4.5
SOUTH CENTRAL COAST	9	10	10.5	8.6	7.5	7.4	7.4	5.8	6.4	5.9	4.8	6.5	5.8	4.9	4	4.6	4.2	4.3	3.4	2.4
SOUTH COAST	20.9	19.7	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