Appendix B	PM10 Calculated Days Above National 24-Hour Standard								Table B-15											

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		13	27	12	0	19	8	4	14	8	17	22	5	32	17	39	31	23	14	13
LAKE COUNTY			0	0	0	0	0	0	0	0	0	0		0						
LAKE TAHOE								0	0	0	0	0	0	0	0	0	0		0	0
MOJAVE DESERT			6	6	13	0	0	0	0	0	0	0	0	0	0	7	8	0	0	0
MOUNTAIN COUNTIES				10	14	0	0	0	0	0	2	0	0	0	6	0	0	0	0	1
NORTH CENTRAL COAST			0	0	0		0	0	0	0	0	0	0	0	0	0	0	0	0	0
NORTH COAST			0	6	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
NORTHEAST PLATEAU			0	0		0		0	0	0	0	0	0	0	0	0	0	0	0	0
SACRAMENTO VALLEY			0	0	0	0	0	1	0	0	0	0	7	0	0	0	0	6	0	0
SALTON SEA			27	26	19	6	13	0	13	30	13	12	32	38	18	18	25	6	6	16
SAN DIEGO			0	0	0	0	6	0	0	0	0	0	0	0	0	0	6	0	0	0
SAN FRANCISCO BAY AREA			0	6	3	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
SAN JOAQUIN VALLEY		0	29	31	18	18	20	6	12	0	6	6	8	0	14	6	0	7	0	13
SOUTH CENTRAL COAST		0	0	0	0	0	0	0	0	0	6	0	0	0	0	0	6	0	0	0
SOUTH COAST			34	19	12	12	18	6	25	6	6	0	6	0	6	0	6	0	0	0