Appendix A	North Coast Air Basin - County: Mendocino					Table A-57														

OZONE (ppm)	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005
Peak 8-Hour Indicator (State)	0.063	0.073						0.06	0.063	0.064	0.064	0.062	0.065	0.068	0.067	0.065	0.065	0.067	0.068	0.064
Avg. of 4th High 8-Hr. in 3 Yrs (Nat)	0.052	0.056							0.05	0.056	0.052	0.05	0.052	0.058	0.058	0.055	0.055	0.057	0.058	0.057
Peak 1-Hour Indicator (State)	0.074	0.084						0.073	0.076	0.076	0.077	0.074	0.08	0.078	0.079	0.077	0.076	0.08	0.08	0.075
4th High 1-Hr. in 3 Yrs2	0.07	0.09						0.08	0.08	0.08	0.074	0.069	0.069	0.073	0.073	0.073	0.083	0.083	0.083	0.071
Max. 8-Hr. Concentration	0.062	0.076	0.076				0.043	0.065	0.061	0.065	0.049	0.061	0.071	0.069	0.059	0.055	0.072	0.066	0.056	0.06
Maximum 1-Hr. Concentration	0.07	0.09	0.09				0.06	0.08	0.087	0.084	0.058	0.071	0.09	0.079	0.071	0.07	0.092	0.09	0.07	0.088
Days Above State 8-Hr. Std.	0	2	3				0	0	0	0	0	0	1	0	0	0	2	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
Days Above State 1-Hr. Std.	0	0	0				0	0	0	0	0	0	0	0	0	0	0	0	0	0

PM10 (ug/m3)	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005
Max. 24-Hr. Concentration (State)			101	82	60	74	51	54	62	54	56	66	52	69	51	64	72	67	45	49
Max. 24-Hr. Concentration (Nat)			101	82	60	74	51	54	62	54	56	66	50	66	49	61	74	65	44	46
Max. Annual Average (State)				29.7	23.7	25.4	21.9	23.2	21.9	26	24.4	23.4	22.1		23.5	25.4	22.9	22.2	20.6	18.6
Max. Annual Average (Nat)			26.5	29.9	23.7	25.3	21.8	22.6	23.9	26.1	24.6	23.4	21.1	24.3	22.4	24.1	22.2	21.4	19.8	17.9
Calc Days Above State 24-Hr Std				40	24	17	6	13	6	13	7	6	6		6	24	12	25	0	0
Calc Days Above Nat 24-Hr Std				0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

PM25 (ug/m3)	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005
Max. 24-Hr. Concentration (State)														35.6	22.3	38.3	59.7	15.6	18.5	20.8
Max. 24-Hr. Concentration (Nat)														35.6	22.3	38.3	59.7	15.6	18.5	20.8
98th Percentile of 24-Hr Conc.														26.3		27	39.7	15.2	14.4	15.2
Annual Average (State)														8.8			9.1	7.4	7	6.2
Avg. of Qtrly. Means (Nat)														8.9		8	9.1	7.4	7	6.2

CARBON MONOXIDE (ppm)	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005
Peak 8-Hr. Indicator	5.2							2.4		3.2	3.4	3.3	3.1	3.6	3.4	3.3	2.6	2.3	2	1.8
Max. 1-Hr. Concentration	6		1				1	6		5.4	4.8	7.4	4.8	5.2	4.4	4	3.1	5.3	2.3	2.6
Max. 8-Hr. Concentration	3.1		1				0.6	2.4		3.2	2.7	3.2	3.5	3.7	2.6	2.3	2.5	2.2	1.8	1.5
Days Above State 8-Hr. Std.	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

NITROGEN DIOXIDE (ppm)	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005
Peak 1-Hr. Indicator								0.054	0.053	0.053	0.053	0.049	0.05	0.054	0.053	0.052	0.042	0.045	0.044	0.039
Max. 1-Hr. Concentration			0.03				0.08	0.05	0.079	0.078	0.044	0.061	0.052	0.066	0.042	0.052	0.08	0.053	0.037	0.037
Max. Annual Average									0.008	0.009		0.01	0.01	0.01	0.011	0.01	0.01	0.009	0.009	0.008

SULFUR DIOXIDE (ppm)	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005
Peak 1-Hr. Indicator								0.01	0.01											
Max. Annual Average			0				0	0	0											
Max. 24-Hr. Concentration			0.01				0.01	0	0