Appendix A	Mountain Counties Air Basin - County: El Dorado					Table A-43														

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								0.138			0.128	0.122	0.127	0.131	0.137	0.14	0.147	0.144	0.144	0.137
4th High 1-Hr in 3 Yrs								0.12			0.12	0.12	0.124	0.124	0.126	0.123	0.143	0.144	0.143	0.128
Avg of 4th Hi 8-Hr in 3 Yrs								0.103			0.098	0.095	0.097	0.099	0.103	0.099	0.103	0.103	0.107	0.104
Maximum 1-Hr. Concentration								0.13			0.12	0.12	0.13	0.126	0.136	0.145	0.163	0.144	0.128	0.148
Max. 8-Hr. Concentration								0.11			0.112	0.108	0.104	0.113	0.113	0.106	0.127	0.118	0.113	0.109
Days Above State Standard								21			29	10	26	32	41	19	32	39	37	42
Days Above Nat. 1-Hr. Std.								2			0	0	2	1	3	1	6	4	2	1
Days Above Nat. 8-Hr. Std.								24			29	12	22	31	36	16	26	40	31	35

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							56	59	89		103	62	34	53	58	62	41	49	38	52
Max. Avg. of Quarters												17.7	18.1	18.3	17	17.4	14.7	18.4	16.5	16.9
Calc Days Above State 24-Hr Std							6	18	12		6	6	0	6	6	6	0	0	0	6
Calc Days Above Nat 24-Hr Std												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								4.1	4.3		1.6	1.3	1.3	1.2	1	1	0.9	0.8	0.8	0.8
Max. 1-Hr. Concentration								6	5		3	2	1.7	1.6	1.3	1.6	1.7	1.4	2.7	1.4
Max. 8-Hr. Concentration								4.6	3.5		2.4	1.5	1	1	0.9	0.8	0.9	0.9	1	0.8
Days Above State 8-Hr. Std.								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

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																				

A portion of El Dorado County lies within the Lake Tahoe Air Basin