Appendix A	North Coast Air Basin - County: Sonoma - NC					Table A-56														

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										0.085	0.088	0.089	0.09	0.088	0.091	0.103	0.109	0.105	0.093	0.083
4th High 1-Hr in 3 Yrs										0.08	0.09	0.09	0.09	0.09	0.09	0.11	0.11	0.11	0.1	0.08
Avg of 4th Hi 8-Hr in 3 Yrs										0.063	0.065	0.066	0.069	0.069	0.072	0.077	0.082	0.076	0.069	0.063
Maximum 1-Hr. Concentration										0.09	0.09	0.1	0.1	0.08	0.1	0.13	0.1	0.09	0.09	0.08
Max. 8-Hr. Concentration										0.072	0.073	0.08	0.09	0.071	0.091	0.106	0.087	0.077	0.073	0.068
Days Above State Standard										0	0	1	1	0	2	7	4	0	0	0
Days Above Nat. 1-Hr. Std.										0	0	0	0	0	0	1	0	0	0	0
Days Above Nat. 8-Hr. Std.										0	0	0	1	0	1	5	2	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)						62	85	266	78	58	53	57	43	40	54	33	74	45	63	37
Max. 24-Hr. Concentration (Nat)						86	85	266	78	58	53	57	43	40	54	32	71	44	59	36
Annual Average (State)								23.8	24.8		20.7	18.4		16.4	16.5	16.6	19.4	12.6		15.6
Annual Average (Nat)						25.4	27.2	23.8	24.2		20.3	18.4		16.5	16.5	16	18.3	14.7	15	15
Calc Days Above State 24-Hr Std								22	23		12	13		0	5	0	18	0		0
Calc Days Above Nat 24-Hr Std						0	0	6	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																				
Max. 1-Hr. Concentration																				
Max. 8-Hr. Concentration																				
Days Above State 8-Hr. Std.																				
Days Above Nat. 8-Hr. Std.																				

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																				
Max. 1-Hr. Concentration																				
Max. Annual Average																				

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																				
Max. Annual Average																				
Max. 24-Hr. Concentration																				

A portion of Sonoma County lies within the San Francisco Bay Area Air Basin