Appendix A	Northeast Plateau Air Basin - County: Siskiyou					Table A-62														

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)	0.074	0.077	0.076	0.076	0.076	0.077	0.073	0.069	0.069	0.065	0.066	0.068	0.071	0.071	0.072	0.07	0.074	0.075	0.075	0.074
Avg. of 4th High 8-Hr. in 3 Yrs (Nat)	0.064	0.069	0.069	0.069	0.067	0.059	0.057	0.051	0.058	0.057	0.059	0.058	0.061	0.062	0.063	0.053	0.055	0.057	0.065	0.064
Peak 1-Hour Indicator (State)	0.079	0.081	0.081	0.083	0.082	0.084	0.08	0.073	0.075	0.074	0.075	0.073	0.074	0.077	0.079	0.081	0.085	0.082	0.082	0.078
4th High 1-Hr. in 3 Yrs2	0.08	0.08	0.08	0.08	0.08	0.08	0.08	0.07	0.07	0.07	0.07	0.07	0.078	0.077	0.081	0.082	0.082	0.087	0.081	0.077
Max. 8-Hr. Concentration	0.07	0.081	0.071	0.076	0.076	0.046	0.073	0.07	0.068	0.062	0.063	0.074	0.071	0.067	0.071	0.038	0.075	0.074	0.071	0.064
Maximum 1-Hr. Concentration	0.08	0.09	0.08	0.08	0.08	0.05	0.08	0.07	0.08	0.07	0.07	0.082	0.078	0.07	0.082	0.049	0.087	0.089	0.077	0.07
Days Above State 8-Hr. Std.	0	4	1	2	3	0	1	0	0	0	0	1	1	0	1	0	1	3	1	0
Days Above Nat. 8-Hr. Std.	0	0	0	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	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)				59	63	60	74	60	61	46	188	40	63	51	33	33	73	31	29	28
Max. 24-Hr. Concentration (Nat)				59	63	60	74	60	61	46	188	40	66	56	53	41	86	33	32	29
Max. Annual Average (State)				24.8			23.6		22.1	16				16.8			17.5	12.8	12.8	13.3
Max. Annual Average (Nat)				24.8	23.5	21.4	23.6	21.4	22.1	16.6	16.1	12.9	14.2	17.7	14.7	14.1	18.6	13.3	13.6	13.9
Calc Days Above State 24-Hr Std				29			24		0	0				0			6	0	0	0
Calc Days Above Nat 24-Hr Std				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)																				26
Max. 24-Hr. Concentration (Nat)																				26
98th Percentile of 24-Hr Conc.																				
Annual Average (State)																				
Avg. of Qtrly. Means (Nat)																				

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																				
Max. 1-Hr. Concentration		12	4																	
Max. 8-Hr. Concentration		10.4	1.8																	
Days Above State 8-Hr. Std.		1	0																	
Days Above Nat. 8-Hr. Std.		1	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																				
Max. 1-Hr. Concentration																				
Max. Annual Average																				

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																				
Max. Annual Average																				
Max. 24-Hr. Concentration