Appendix A	Mountain Counties Air Basin - County: Sierra					Table A-48														

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																				
4th High 1-Hr in 3 Yrs																				
Avg of 4th Hi 8-Hr in 3 Yrs																				
Maximum 1-Hr. Concentration																				
Max. 8-Hr. Concentration																				
Days Above State Standard																				
Days Above Nat. 1-Hr. Std.																				
Days Above Nat. 8-Hr. Std.																				

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															114	138	60	68	39	
Max. Avg. of Quarters																31.9	22.8	25.1		
Calc Days Above State 24-Hr Std															12	30	15	12	0	
Calc Days Above Nat 24-Hr Std																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																				
Max. 1-Hr. Concentration																				
Max. 8-Hr. Concentration																				
Days Above State 8-Hr. Std.																				
Days Above Nat. 8-Hr. Std.																				

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																				
Max. 1-Hr. Concentration																				
Max. Annual Average																				

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																				
Max. 24-Hr. Concentration																				
Max. Annual Average