Appendix B	Carbon Monoxide - Maximum 1-Hour Concentration (ppm)								Table B-16											

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	14	13	16	11	9	13	12	10	11	11	13	9	10	6	8.2	6.7		4.2	15.4	3.8
LAKE COUNTY							3	6	7											
LAKE TAHOE	30	23	23	20	19	19	17	18	14	15	13	11.6	9.5	10.4	7.7	7.5	3.2	16.1	3.1	3.8
MOJAVE DESERT	13	10	12	9	12	11	13	11	10	9	8	9.1	7.5	8.4	5.9	5.4	10.3	6	6.1	3.4
MOUNTAIN COUNTIES				6	3		6	5	1	6.2	10	9.3	9.3	4.5	6.6	6.7	4.1	5	6.2	3.7
NORTH CENTRAL COAST	3	5	6	4	5	6	5	5	4	4	4	4.6	3.2	5.5	4.4	3.8	3.8	3.5	3.3	2.3
NORTH COAST		6	8	6	4	1	10	9		1	6		5.4	4.8	7.4	4.8	5.2	4.4	4	3.1
NORTHEAST PLATEAU					12	4														
SACRAMENTO VALLEY	19	18	17	20	15	17	18	17	15	14	12	10.8	9.8	8.7	9.5	7.9	7.7	10	19.1	7.8
SALTON SEA	7	4	5	5	5	4	6	5	5	5	6	30.6	32	27	24	23.5	22.9	19.9	17.4	15.6
SAN DIEGO	16	16	17	16	14	17	17	18	14	14	11.4	11	9.9	12.4	9.3	10.2	9.9	9.3	8.5	8.5
SAN FRANCISCO BAY AREA	17	20	21	20	17	15	19	18	15	12	14	12	10.1	8.8	10.7	8.7	9	9.8	7.6	7.7
SAN JOAQUIN VALLEY	17	24	18	21	16	19	23	17	19	13	13	15	12	11	9.9	10.3	11.9	10.1	16	6.1
SOUTH CENTRAL COAST	16	16	17	18	14	15	11	11	9	12	9	10.7	8.9	12.6	8.2	8.5	8.2	6.2	8.3	5.7
SOUTH COAST	31	29	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