Appendix B	Carbon Monoxide - Days Above State 8-Hour Standard								Table B-24											

AIR BASIN	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004
GREAT BASIN VALLEYS	0	0	0	0	0	0	0	0	0	0	0	0	0	0		0	0	0		
LAKE COUNTY					0	0	0													
LAKE TAHOE	121	96	87	80	67	39	24	13	12	9	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	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	12	13	5	12	22	14	9	0	2	0	0	0	0	0	0	0	0	0	0	0
SALTON SEA	0	0	0	0	0	0	0	0	0	10	17	11	15	12	13	8	6	4	0	1
SAN DIEGO	5	2	1	5	6	1	0	0	0	0	0	0	0	0	0	0	0	0	1	0
SAN FRANCISCO BAY AREA	24	8	2	4	10	4	5	0	0	0	0	0	0	0	0	0	0	0	0	0
SAN JOAQUIN VALLEY	7	13	4	5	24	10	3	0	2	0	1	0	0	0	0	0	0	0	0	0
SOUTH CENTRAL COAST	5	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
SOUTH COAST	64	58	50	73	71	50	51	39	29	27	17	26	18	13	11	6	0	1	0	0

* Data for Lake Tahoe reflects the number of days above the State 8-Hr. Lake Tahoe Standard of 6 parts per million.