Appendix A	Northeast Plateau Air Basin - County: Siskiyou					Table A-60														

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	0.071	0.072	0.074	0.076	0.079	0.081	0.082	0.083	0.082	0.084	0.081	0.073	0.075	0.074	0.075	0.074	0.079	0.078	0.081	0.086
4th High 1-Hr in 3 Yrs	0.07	0.07	0.07	0.07	0.08	0.08	0.08	0.08	0.08	0.08	0.08	0.07	0.07	0.07	0.07	0.07	0.075	0.075	0.078	0.091
Avg of 4th Hi 8-Hr in 3 Yrs	0.056	0.056	0.059	0.061	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	0.056
Maximum 1-Hr. Concentration	0.07	0.07	0.08	0.08	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	0.056
Max. 8-Hr. Concentration	0.066	0.062	0.066	0.075	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	0.05
Days Above State Standard	0	0	0	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	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	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							92	59	63	60	74	60	61	46	188	40	66	56	53	41
Max. Avg. of Quarters							24.8	24.7	23.1		23.9		22.3					17.7		14.2
Calc Days Above State 24-Hr Std							21	26	25	12	24	6	6	0	6	0	6	6	6	0
Calc Days Above Nat 24-Hr Std							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																				
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)	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