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

OZONE (ppm)	1983	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002
Peak 1-Hour Indicator	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	0.076
4th High 1-Hr in 3 Yrs	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	0.083
Avg of 4th Hi 8-Hr in 3 Yrs	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	0.055
Maximum 1-Hr. Concentration	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	0.092
Max. 8-Hr. Concentration	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	0.072
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)	1983	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002
Max. 24-Hour Concentration (State)						101	82	60	74	51	54	62	54	56	66	52	69	51	64	72
Max. 24-Hr. Concentration (Nat)						101	82	60	74	51	54	62	54	56	66	50	66	49	61	74
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
Annual Average (Nat)							29.9	23.7	25.3	21.8	22.6	22.1	26.1	24.6	23.4	21.1	24.3	22.4	24.1	22.2
Calc Days Above State 24-Hr Std							40	24	17	6	13	6	13	7	6	6		6	24	12
Calc Days Above Nat 24-Hr Std							0	0	0	0	0	0	0	0	0	0	0	0	0	0

CARBON MONOXIDE (ppm)	1983	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002
Peak 8-Hr. Indicator			5.2	5.2							2.4		3.2	3.4	3.3	3.1	3.6	3.4	3.3	2.6
Max. 1-Hr. Concentration		6	8	6		1				1	6		5.4	4.8	7.4	4.8	5.2	4.4	4	3.1
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	2.6	2.3	2.5
Days Above State 8-Hr. Std.		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

NITROGEN DIOXIDE (ppm)	1983	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002
Peak 1-Hr. Indicator											0.054	0.053	0.053	0.053	0.049	0.05	0.054	0.053	0.052	0.042
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
Max. Annual Average												0.008	0.009		0.01	0.01	0.01	0.011	0.01	0.01

SULFUR DIOXIDE (ppm)	1983	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002
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