Appendix A	Mojave Desert Air Basin - County: Riverside - MD					Table A-39														

OZONE (ppm)	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003
Peak 1-Hour Indicator		0.143	0.138	0.144	0.142	0.141	0.132	0.14	0.146	0.146										0.079
Peak 8-Hour Indicator		0.106	0.107	0.112	0.113	0.116	0.105	0.113	0.113	0.114										0.073
4th High 1-Hr. in 3 Yrs		0.11	0.14	0.147	0.147	0.14	0.131	0.13	0.13	0.131										0.074
Avg. of 4th High 8-Hr. in 3 Yrs		0.092	0.096	0.101	0.103	0.102	0.096	0.099	0.101	0.101										0.064
Maximum 1-Hr. Concentration		0.14	0.16	0.148	0.14	0.14	0.13	0.13	0.138	0.14										0.077
Max. 8-Hr. Concentration		0.102	0.105	0.127	0.105	0.117	0.102	0.115	0.115	0.108										0.071
Days Above State Standard		19	39	65	32	31	23	33	44	18										0
Days Above Nat. 1-Hr. Std.		3	3	10	4	2	1	6	7	1										0
Days Above Nat. 8-Hr. Std.		8	30	49	16	20	18	37	39	16										0

PM10 (ug/m3)	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003
Max. 24-Hr. Concentration (State)																				
Max. 24-Hr. Concentration (Nat)								112	242											
Annual Average (State)																				
Annual Average (Nat)																				
Calc Days Above State 24-Hr Std																				
Calc Days Above Nat 24-Hr Std																				

PM2.5 (ug/m3)	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003
Max. 24-Hr. Concentration (State)																				
Max. 24-Hr. Concentration (Nat)																				
98th Percentile of 24-Hr Conc.																				
Annual Average (State)																				
Avg. of Qtrly. Means (Nat)																				

CARBON MONOXIDE (ppm)	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003
Peak 8-Hr. Indicator																				
Max. 1-Hr. Concentration																				
Max. 8-Hr. Concentration																				
Days Above State 8-Hr. Std.																				
Days Above Nat. 8-Hr. Std.																				

NITROGEN DIOXIDE (ppm)	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003
Peak 1-Hr. Indicator																				
Max. 1-Hr. Concentration																				
Max. Annual Average																				

SULFUR DIOXIDE (ppm)	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003
Peak 1-Hr. Indicator																				
Max. Annual Average																				
Max. 24-Hr. Concentration