Appendix B	Carbon Monoxide - Days Above National 8-Hour Standard								Table B-17											

AIR BASIN	1982	1983	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001
GREAT BASIN VALLEYS	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0		0	0
LAKE COUNTY								0	0	0										
LAKE TAHOE	40	24	28	28	10	12	9	5	5	0	1	0	0	0	0	0	0	0	0	0
MOJAVE DESERT	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
MOUNTAIN COUNTIES					0	0		0	0	0	0	0	0	0	0	0	0	0	0	0
NORTH CENTRAL COAST	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
NORTH COAST			0	0	0	0	0	0	0		0	0		0	0	0	0	0	0	0
NORTHEAST PLATEAU						1	0													
SACRAMENTO VALLEY	9	4	5	12	12	3	9	22	12	6	0	0	0	0	0	0	0	0	0	0
SALTON SEA	0	0	0	0	0	0	0	0	0	0	0	0	9	15	9	10	8	11	6	0
SAN DIEGO	1	1	0	3	1	0	2	5	0	0	0	0	0	0	0	0	0	0	0	0
SAN FRANCISCO BAY AREA	12	4	7	21	8	1	4	9	2	4	0	0	0	0	0	0	0	0	0	0
SAN JOAQUIN VALLEY	8	9	6	7	11	4	6	18	9	3	0	0	0	0	0	0	0	0	0	0
SOUTH CENTRAL COAST	0	0	1	3	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
SOUTH COAST	68	57	66	54	49	40	65	67	42	41	34	19	19	14	19	13	10	7	3	0