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

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	0.072	0.074	0.076	0.078	0.081	0.082	0.083	0.082	0.084	0.081	0.073	0.075	0.074	0.075	0.074	0.078	0.078	0.081	0.08	0.085
4th High 1-Hr in 3 Yrs	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	0.078	0.081
Avg of 4th Hi 8-Hr in 3 Yrs	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	0.053	0.055
Maximum 1-Hr. Concentration	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	0.049	0.087
Max. 8-Hr. Concentration	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	0.038	0.075
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)	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)						58	59	63	60	74	60	61	46	188	40	63	51	33	33	73
Max. 24-Hr. Concentration (Nat)						92	59	63	60	74	60	61	46	188	40	66	56	53	41	86
Annual Average (State)							24.8			23.6		22.1	16				16.8			17.5
Annual Average (Nat)						25	24.8	23.5		23.6		22.1	16	13.6	12.9	11.1	17.7	13.9	14.1	18.6
Calc Days Above State 24-Hr Std							29			24		0	0				0			6
Calc Days Above Nat 24-Hr Std						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																				
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)	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