Appendix B	Carbon Monoxide Days Above National 8-Hour Standard								Table B-25											

AIR BASIN	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006
GREAT BASIN VALLEYS	0	0	0	0	0	0	0	0	0	0	0	0		0	0	0				
LAKE COUNTY			0	0	0															
LAKE TAHOE	12	9	5	5	0	1	0	0	0	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	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	0	0
NORTHEAST PLATEAU	1	0																		
SACRAMENTO VALLEY	3	9	22	12	6	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
SALTON SEA	0	0	0	0	0	0	0	9	15	9	10	8	11	6	6	3	0	1	0	1
SAN DIEGO	0	2	5	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0
SAN FRANCISCO BAY AREA	1	4	9	2	4	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
SAN JOAQUIN VALLEY	4	6	18	9	3	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
SOUTH CENTRAL COAST	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
SOUTH COAST	40	65	67	42	41	34	19	19	14	19	13	10	7	3	0	1	0	0	0	0