Appendix A	North Central Coast Air Basin - County: Santa Cruz					Table A-54														

OZONE (ppm)	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006
Peak 8-Hour Indicator (State)	0.077	0.075	0.074	0.07	0.068	0.079	0.09	0.087	0.088	0.082	0.08	0.081	0.075	0.078	0.075	0.077	0.076	0.078	0.074	0.071
Avg. of 4th High 8-Hr. in 3 Yrs (Nat)	0.067	0.062	0.061	0.06	0.058	0.058	0.059	0.072	0.062	0.066	0.067	0.068	0.066	0.066	0.065	0.064	0.065	0.066	0.063	0.062
Peak 1-Hour Indicator (State)	0.098	0.095	0.093	0.084	0.083	0.089	0.099	0.103	0.104	0.098	0.095	0.097	0.088	0.09	0.087	0.087	0.085	0.087	0.082	0.08
4th High 1-Hr. in 3 Yrs2	0.09	0.09	0.09	0.08	0.09	0.09	0.1	0.1	0.1	0.097	0.091	0.092	0.084	0.089	0.084	0.085	0.085	0.085	0.081	0.082
Max. 8-Hr. Concentration	0.073	0.07	0.087	0.08	0.082	0.075	0.086	0.078	0.07	0.088	0.071	0.077	0.072	0.078	0.073	0.077	0.074	0.083	0.066	0.071
Maximum 1-Hr. Concentration	0.09	0.08	0.1	0.1	0.12	0.09	0.1	0.094	0.097	0.107	0.089	0.107	0.097	0.096	0.085	0.086	0.098	0.091	0.078	0.094
Days Above State 8-Hr. Std.	2	0	3	1	2	1	13	4	0	7	1	1	3	2	2	1	2	3	0	1
Days Above Nat. 8-Hr. Std.	0	0	1	0	0	0	2	0	0	2	0	0	0	0	0	0	0	0	0	0
Days Above State 1-Hr. Std.	0	0	1	1	2	0	7	0	1	2	0	1	1	1	0	0	1	0	0	0

PM10 (ug/m3)	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006
Max. 24-Hr. Concentration (State)		65	51	49	49	36	102	106	152	115	113	78	106	52	74	81	72	83	69	65
Max. 24-Hr. Concentration (Nat)		65	51	49	49	36	102	106	152	115	113	76	103	50	72	77	70	80	66	63
Max. Annual Average (State)				23.8	24.3		21.7	31.1	36.3	32.8	36.9		32.3	27.1		28	28.6	28.2	24.3	25
Max. Annual Average (Nat)		26.3	25.5	23.9	24.3	17.4	35.6	31.1	36.4	32.8	37	28.5	30.9	26.2	28.7	26.8	27.3	27.3	23.6	23.9
Calc Days Above State 24-Hr Std				0	0		12	31	71	71	72		50	18		24	31	43	12	18
Calc Days Above Nat 24-Hr Std				0	0		0	0	0	0	0	0	0	0	0	0	0	0	0	0

PM25 (ug/m3)	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006
Max. 24-Hr. Concentration (State)													31.4	23.3	23.1	22.8	15	22.6	21.7	12.6
Max. 24-Hr. Concentration (Nat)													31.4	23.3	23.1	22.8	15	22.6	21.7	12.6
98th Percentile of 24-Hr Conc.														17.9	23.1	22	13.6			
Annual Average (State)														7.9	9.1	8.6				
Avg. of Qtrly. Means (Nat)														7.9	9.1	8.6	7.4			

CARBON MONOXIDE (ppm)	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006
Peak 8-Hr. Indicator	1.5	1.1	1.1	1.1	1.1	1.1	1.1	1.1	1.1	1	0.8	0.8	0.8	0.8	0.9	0.9	0.9	0.8	0.8	0.9
Max. 1-Hr. Concentration	1	2	3	2	1	2	1	2.2	1.4	3	0.9	1	2	1.3	1.9	1.3	1.6	2.1	1.6	1.3
Max. 8-Hr. Concentration	1	1.3	1.3	1	1	1.2	1	1.3	0.9	1	0.7	0.9	0.8	0.8	1	0.8	0.7	1	0.9	0.8
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)	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006
Peak 1-Hr. Indicator	0.044	0.048	0.049	0.05	0.049	0.047	0.043	0.051	0.052	0.05	0.045	0.041	0.035	0.036	0.036	0.035	0.036	0.035	0.031	0.032
Max. 1-Hr. Concentration	0.05	0.05	0.04	0.05	0.04	0.04	0.05	0.045	0.053	0.042	0.031	0.039	0.032	0.035	0.042	0.035	0.034	0.032	0.03	0.03
Max. Annual Average (Nat)	0.005	0.007	0.008	0.007		0.006		0.005	0.005	0.005	0.004	0.004	0.005	0.005	0.005	0.005		0.004	0.004	0.004

SULFUR DIOXIDE (ppm)	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006
Peak 1-Hr. Indicator		0.02	0.02	0.02	0.01	0.01	0.03	0.04	0.05	0.04	0.03	0.01	0.01	0.01	0.02	0.03	0.03	0.03	0.02	0.02
Max. Annual Average	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Max. 24-Hr. Concentration	0.01	0.01	0.01	0.01	0	0.01	0.01	0.01	0.02	0	0	0.01	0	0	0.01	0.01	0.01	0	0	0.01