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

OZONE (ppm)	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004
Peak 1-Hour Indicator	0.103	0.096	0.097	0.094	0.092	0.084	0.084	0.082	0.11	0.102	0.102	0.098	0.095	0.096	0.088	0.089	0.086	0.087	0.085	0.087
Peak 8-Hour Indicator	0.082	0.077	0.074	0.072	0.072	0.069	0.066	0.064	0.093	0.087	0.087	0.079	0.077	0.078	0.073	0.075	0.072	0.074	0.073	0.075
4th High 1-Hr. in 3 Yrs	0.09	0.09	0.09	0.09	0.09	0.08	0.09	0.08	0.1	0.1	0.1	0.094	0.091	0.092	0.084	0.089	0.084	0.085	0.085	0.085
Avg. of 4th High 8-Hr. in 3 Yrs	0.069	0.066	0.067	0.062	0.061	0.06	0.058	0.066	0.073	0.072	0.062	0.066	0.067	0.068	0.066	0.066	0.065	0.064	0.065	0.066
Maximum 1-Hr. Concentration	0.11	0.09	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
Max. 8-Hr. Concentration	0.088	0.077	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
Days Above State Standard	2	0	0	0	1	1	2	0	7	0	1	2	0	1	1	1	0	0	1	0
Days Above Nat. 1-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.	2	0	0	0	1	0	0	0	2	0	0	2	0	0	0	0	0	0	0	0

PM10 (ug/m3)	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004
Max. 24-Hr. Concentration (State)				65	51	49	49	36	102	106	152	115	113	78	106	52	74	81	72	83
Max. 24-Hr. Concentration (Nat)				65	51	49	49	36	102	106	152	115	113	76	103	50	72	77	70	80
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
Annual Average (Nat)						23.9	24.3		21.7	31.1	36.4	32.8	37	28.5	30.9	26.2	28.7	26.8	27.3	27.3
Calc Days Above State 24-Hr Std						0	0		12	31	71	71	72		50	18		24	31	43
Calc Days Above Nat 24-Hr Std						0	0		0	0	0	0	0	0	0	0	0	0	0	0

PM2.5 (ug/m3)	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004
Max. 24-Hr. Concentration (State)															31.3	23.3	23.1	22.8	15	22.6
Max. 24-Hr. Concentration (Nat)															31.3	23.3	23.1	22.8	15	22.6
98th Percentile of 24-Hr Conc.															21.9	17.9	23.1	22	13.6	14.9
Annual Average (State)																7.9	9.1	8.6		6.8
Avg. of Qtrly. Means (Nat)															9.4	7.9	9.1	8.6	7.4	6.8

CARBON MONOXIDE (ppm)	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004
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
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
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
Days Above State 8-Hr. Std.			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

NITROGEN DIOXIDE (ppm)	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004
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
Max. 1-Hr. Concentration		0.04	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
Max. Annual Average			0.005		0.008			0.006		0.005		0.005		0.004	0.005	0.005	0.005	0.005		

SULFUR DIOXIDE (ppm)	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004
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
Max. Annual Average		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	0.01	0	0.01	0.01	0.01	0.02	0	0	0.01	0	0	0.01	0.01	0.01	0