Appendix A	North Coast Air Basin - County: Mendocino					Table A-55														

OZONE (ppm)	1982	1983	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001
Peak 1-Hour Indicator	0.079	0.076	0.076	0.073	0.074	0.083						0.073	0.075	0.075	0.076	0.074	0.08	0.079	0.079	0.077
4th High 1-Hr in 3 Yrs	0.08	0.08	0.07	0.07	0.07	0.08	0.08				0.05	0.06	0.074	0.08	0.073	0.069	0.069	0.073	0.073	0.073
Avg of 4th Hi 8-Hr in 3 Yrs	0.055	0.053	0.051	0.05	0.052	0.056	0.066				0.038	0.047	0.05	0.056	0.052	0.05	0.052	0.058	0.058	0.055
Maximum 1-Hr. Concentration	0.08	0.07	0.07	0.07	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
Max. 8-Hr. Concentration	0.065	0.057	0.062	0.056	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
Days Above State Standard	0	0	0	0	0	0	0				0	0	0	0	0	0	0	0	0	0
Days Above Nat. 1-Hr. Std.	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

PM10 (ug/m3)	1982	1983	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001
Max. 24-Hour Concentration							101	82	60	74	51	54	62	54	56	66	50	66	49	61
Max. Avg. of Quarters								29.8	23.7	25.4	21.9	22.5		26.1	24.8	22.9	21.1	24	22.2	24.2
Calc Days Above State 24-Hr Std							54	38	24	17	6	9	24	12	6	6	0	12	0	18
Calc Days Above Nat 24-Hr Std								0	0	0	0	0	0	0	0	0	0	0	0	0

CARBON MONOXIDE (ppm)	1982	1983	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001
Peak 8-Hr. Indicator				5.2	5.2							2.4		3.2	3.4	3.3	3.1	3.6	3.4	3.2
Max. 1-Hr. Concentration			6	8	6		1				1	6		5.4	4.8	7.4	4.8	5.2	3.1	1.6
Max. 8-Hr. Concentration			4.1	5.5	3.1		1				0.6	2.4		3.2	2.7	3.2	3.5	3.7	2.4	1.1
Days Above State 8-Hr. Std.			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

NITROGEN DIOXIDE (ppm)	1982	1983	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001
Peak 1-Hr. Indicator												0.054	0.053	0.053	0.053	0.049	0.05	0.054	0.053	0.052
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
Max. Annual Average														0.009		0.01	0.01	0.01	0.011	0.01

SULFUR DIOXIDE (ppm)	1982	1983	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001
Peak 1-Hr. Indicator												0.01	0.01							
Max. 24-Hr. Concentration							0.01				0.01	0	0							
Max. Annual Average							0				0	0	0