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

OZONE (ppm)	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006
Peak 8-Hour Indicator (State)	0.085						0.077	0.085	0.09	0.091	0.093	0.078	0.079	0.079	0.08	0.084	0.083	0.086	0.069	0.072
Avg. of 4th High 8-Hr. in 3 Yrs (Nat)								0.062	0.077	0.078	0.065	0.06	0.06	0.07	0.069	0.071	0.069	0.067	0.062	0.063
Peak 1-Hour Indicator (State)	0.091						0.086	0.086	0.092	0.093	0.096	0.083	0.084	0.083	0.083	0.087	0.088	0.088	0.072	0.077
4th High 1-Hr. in 3 Yrs2	0.09						0.09	0.09	0.092	0.092	0.092	0.09	0.084	0.083	0.084	0.089	0.089	0.089	0.074	0.087
Max. 8-Hr. Concentration	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	0.068	0.074
Maximum 1-Hr. Concentration	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	0.076	0.087
Days Above State 8-Hr. Std.	2					0	3	25	23	6	0	2	8	2	2	50	0	0	0	1
Days Above Nat. 8-Hr. Std.	0					0	0	0	2	0	0	0	0	0	0	0	0	0	0	0
Days Above State 1-Hr. Std.	0					0	0	0	1	0	0	0	0	0	0	0	0	0	0	0

PM10 (ug/m3)	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006
Max. 24-Hr. Concentration (State)		113	144	138	162	120	130	98	52	55	66	69	115	67	60	48	33	37	53	50
Max. 24-Hr. Concentration (Nat)		113	144	138	162	120	130	98	52	55	66	74	125	75	60	49	50	58	65	54
Max. Annual Average (State)								33.4	24.2	21.5		25.3	25.3	19.9			17.6		18	17.6
Max. Annual Average (Nat)		28.1	77.9	38.2	40.3	37.5	35.4	33	24	25.9	23	25.3	27.6	21.3	22.5	19.1	20	23	20.1	18.8
Calc Days Above State 24-Hr Std								42	6	6		19	24	25			0		6	0
Calc Days Above Nat 24-Hr Std				0		0		0	0	0	0	0	0	0	0		0		0	0

PM25 (ug/m3)	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006
Max. 24-Hr. Concentration (State)													92	46	58	41	47.8	53.8	179.7	62.7
Max. 24-Hr. Concentration (Nat)													92	46	58	41	43	44	60	51
98th Percentile of 24-Hr Conc.													84	44	43	38	40	33	27	31
Annual Average (State)																		11.7	10.6	
Avg. of Qtrly. Means (Nat)															15.6		13.3	11.7	10.6	10.9

CARBON MONOXIDE (ppm)	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006
Peak 8-Hr. Indicator	4.5																			
Max. 1-Hr. Concentration	3																			
Max. 8-Hr. Concentration	2.3																			
Days Above State 8-Hr. Std.	0																			
Days Above Nat. 8-Hr. Std.	0																			

NITROGEN DIOXIDE (ppm)	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006
Peak 1-Hr. Indicator	0.046																			
Max. 1-Hr. Concentration	0.04																			
Max. Annual Average (Nat)																				

SULFUR DIOXIDE (ppm)	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006
Peak 1-Hr. Indicator																				
Max. Annual Average																				
Max. 24-Hr. Concentration