Appendix A	Mountain Counties Air Basin - County: Plumas					Table A-49														

OZONE (ppm)	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004
Peak 1-Hour Indicator		0.09	0.09						0.087	0.09	0.094	0.094	0.096	0.083	0.084	0.083	0.084	0.088	0.088	0.087
Peak 8-Hour Indicator		0.082	0.082						0.075	0.081	0.087	0.087	0.089	0.076	0.077	0.076	0.078	0.081	0.08	0.084
4th High 1-Hr. in 3 Yrs		0.08	0.08					0.05	0.08	0.09	0.09	0.091	0.091	0.081	0.083	0.083	0.083	0.087	0.087	0.087
Avg. of 4th High 8-Hr. in 3 Yrs		0.073	0.071					0.037	0.053	0.062	0.077	0.078	0.065	0.06	0.06	0.07	0.069	0.071	0.069	0.067
Maximum 1-Hr. Concentration		0.09	0.08					0.05	0.09	0.09	0.105	0.091	0.046	0.087	0.086	0.081	0.086	0.091	0.075	0.073
Max. 8-Hr. Concentration		0.078	0.073					0.04	0.076	0.083	0.096	0.08	0.042	0.074	0.077	0.076	0.072	0.084	0.064	0.066
Days Above State Standard		0	0					0	0	0	1	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
Days Above Nat. 8-Hr. Std.		0	0					0	0	0	2	0	0	0	0	0	0	0	0	0

PM10 (ug/m3)	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004
Max. 24-Hr. Concentration (State)				113	144	138	162	120	130	98	52	55	66	69	115	67	60	48	47	82
Max. 24-Hr. Concentration (Nat)				153	144	138	162	120	130	98	52	55	66	74	125	75	60	49	49	84
Annual Average (State)										33.4	24.2	21.5		18.5		19.9			18.1	26.3
Annual Average (Nat)						38.2		37.5		33	24	21.4	22.4	25.3	27.6	21.3	22.5		19.7	28
Calc Days Above State 24-Hr Std										42	6	6		6		25			0	30
Calc Days Above Nat 24-Hr Std						0		0		0	0	0	0	0	0	0	0		0	0

PM2.5 (ug/m3)	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004
Max. 24-Hr. Concentration (State)															92	46	58	41	47.8	53.8
Max. 24-Hr. Concentration (Nat)															92	46	58	41	43	44
98th Percentile of 24-Hr Conc.															84		43		40	33
Annual Average (State)																				11.7
Avg. of Qtrly. Means (Nat)																	15.6		13.3	11.7

CARBON MONOXIDE (ppm)	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004
Peak 8-Hr. Indicator		4.5	4.5																	
Max. 1-Hr. Concentration		6	3																	
Max. 8-Hr. Concentration		4.2	2.3																	
Days Above State 8-Hr. Std.		0	0																	
Days Above Nat. 8-Hr. Std.		0	0																	

NITROGEN DIOXIDE (ppm)	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004
Peak 1-Hr. Indicator		0.046	0.046																	
Max. 1-Hr. Concentration		0.05	0.04																	
Max. Annual Average																				

SULFUR DIOXIDE (ppm)	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004
Peak 1-Hr. Indicator																				
Max. Annual Average																				
Max. 24-Hr. Concentration