Appendix B	PM10 Maximum 24-Hour Concentration (National)								Table B-11											

AIR BASIN	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003
GREAT BASIN VALLEYS					394	1861	866	181	526	981	388	2668	491	402	1116	514	10466	4482	6505	16462
LAKE COUNTY					28	29	30	31	22	30	21	30	26	18	35	43	22	21		
LAKE TAHOE					95	73	84	78	85	92	78	71	72	55	59	41	50	58	51	61
MOJAVE DESERT					150	191	462	780	242	79	140	235	138	130	165	109	90	115	208	181
MOUNTAIN COUNTIES					180	144	209	350	120	130	115	118	114	138	92	125	98	312	76	66
NORTH CENTRAL COAST					71	58	57	55	45	102	106	152	115	113	76	103	74	72	77	87
NORTH COAST					125	92	266	78	58	54	77	68	87	66	50	100	51	73	74	65
NORTHEAST PLATEAU					92	59	63	60	74	60	101	78	188	97	66	100	80	105	86	33
SACRAMENTO VALLEY					115	139	153	136	111	110	154	145	98	126	130	179	86	105	92	81
SALTON SEA					368	712	520	340	175	175	258	229	359	532	176	227	268	647	373	840
SAN DIEGO					81	90	115	81	67	159	129	121	93	125	89	121	139	107	130	280
SAN FRANCISCO BAY AREA					146	150	173	155	112	101	97	74	76	95	92	114	76	109	80	58
SAN JOAQUIN VALLEY					244	250	439	279	183	239	190	279	153	199	160	183	145	205	189	150
SOUTH CENTRAL COAST					132	119	133	119	135	141	139	129	98	321	110	90	113	89	178	149
SOUTH COAST					289	271	475	179	649	231	161	219	162	208	116	183	139	219	130	164

Salton Sea PM10 statistics exclude data from Calexico - East site because data from this site do not represent widespread exposure.