Appendix A	San Francisco Bay Area Air Basin - County: San Mateo					Table A-84														

OZONE (ppm)	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006	2007
Peak 8-Hour Indicator (State)	0.071	0.073	0.069	0.063	0.056	0.057	0.056	0.067	0.069	0.069	0.06	0.056	0.054	0.057	0.06	0.067	0.068	0.066	0.059	0.058
Avg. of 4th High 8-Hr. in 3 Yrs (Nat)	0.06	0.065	0.058	0.053	0.049	0.05	0.049	0.058	0.061	0.062	0.053	0.049	0.047	0.049	0.052	0.058	0.06	0.057	0.053	0.051
Peak 1-Hour Indicator (State)	0.097	0.099	0.089	0.078	0.071	0.076	0.078	0.093	0.098	0.099	0.078	0.072	0.071	0.074	0.079	0.085	0.087	0.079	0.074	0.068
4th High 1-Hr. in 3 Yrs2	0.1	0.1	0.09	0.08	0.07	0.08	0.084	0.103	0.103	0.103	0.09	0.079	0.08	0.081	0.081	0.09	0.09	0.09	0.084	0.077
Max. 8-Hr. Concentration	0.076	0.072	0.05	0.056	0.065	0.076	0.066	0.099	0.067	0.073	0.053	0.063	0.063	0.067	0.063	0.078	0.071	0.061	0.063	0.069
Maximum 1-Hr. Concentration	0.1	0.1	0.08	0.08	0.09	0.1	0.084	0.14	0.097	0.09	0.066	0.082	0.083	0.105	0.09	0.113	0.097	0.084	0.085	0.077
Days Above State 8-Hr. Std.	2	1	0	0	0	1	0	5	0	1	0	0	0	0	0	3	1	0	0	0
Days Above Nat. 8-Hr. Std.	1	0	0	0	0	1	0	3	0	0	0	0	0	0	0	2	0	0	0	0
Days Above State 1-Hr. Std.	2	1	0	0	0	1	0	5	1	0	0	0	0	1	0	1	1	0	0	0

PM10 (ug/m3)	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006	2007
Max. 24-Hr. Concentration (State)		90	137	90	80	76	76	48	48	70	56	95	61	68	56	38	65	81	70	56
Max. 24-Hr. Concentration (Nat)		90	137	90	80	76	76	48	48	70	49	85	53	65	53	37	62	78	66	52
Max. Annual Average (State)		33.1	27.9	32.1	28.5	26.5	24.8	21	21	23.9	24.5	28.3	24	24.8	24.6	19.8	20.5	20.9	19.8	19.6
Max. Annual Average (Nat)		33	28.3	32.1	28.5	26.5	24.9	21	21.1	23.9	22.4	24.6	21.2	22.5	22.1	19.3	19.7	19.5	19.2	19.1
Calc Days Above State 24-Hr Std		59	47	73	41	31	36	0	0	12	12	31	18	18	6	0	6	10	10	6
Calc Days Above Nat 24-Hr Std		0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

PM25 (ug/m3)	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006	2007
Max. 24-Hr. Concentration (State)												59.7	47	70.9	43	31.9	43.2	48.4	75.3	45.6
Max. 24-Hr. Concentration (Nat)												59.7	47	67.9	43	31.9	35.8	30.9	75.3	45.4
98th Percentile of 24-Hr Conc.												53.4	43	46.1	36.3	26.1	27.9	29.4		32.8
Annual Average (State)															11.5	8.9	9.3	8.8	9.5	8.3
Avg. of Qtrly. Means (Nat)														11.3	11.5	8.9	9.3	8.8		8.3

CARBON MONOXIDE (ppm)	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006	2007
Peak 8-Hr. Indicator	6.1	5.8	5.9	5.9	5.8	5.8	5.4	4.9	4.4	3.9	4.2	4.3	4.4	4.2	3.7	3.3	2.9	2.6	2.5	2.6
Max. 1-Hr. Concentration	13	13	12	11	12	10	12	10.1	8.6	10.7	8.7	8	9.8	7.1	5.8	5.4	4.8	4.5	5.5	5.5
Max. 8-Hr. Concentration	5.4	5.3	5.9	6.5	4.8	5.8	5.4	3.9	3.6	4.2	4.1	3.8	4.4	3.9	2.8	2.6	2.1	2.3	2.4	2.3
Days Above State 8-Hr. Std.	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Days Above Nat. 8-Hr. Std.	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

NITROGEN DIOXIDE (ppm)	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006	2007
Peak 1-Hr. Indicator	0.14	0.132	0.128	0.122	0.116	0.11	0.101	0.096	0.092	0.081	0.077	0.079	0.076	0.077	0.066	0.068	0.064	0.064	0.063	0.063
Max. 1-Hr. Concentration	0.13	0.12	0.12	0.12	0.1	0.09	0.106	0.077	0.09	0.084	0.063	0.104	0.065	0.074	0.066	0.081	0.061	0.062	0.069	0.057
Max. Annual Average (Nat)	0.024	0.024	0.022	0.023	0.021	0.022	0.021	0.019	0.02	0.018	0.018	0.019	0.018	0.017	0.017	0.015	0.015	0.015	0.014	0.013

SULFUR DIOXIDE (ppm)	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006	2007
Peak 1-Hr. Indicator																				
Max. Annual Average																				
Max. 24-Hr. Concentration