California Air Resources Board 2009 Almanac (web)																															
Appendix A	Lake Tahoe									Table A-5 																					
	"NOx Emissions (tons/day, annual average)"										"ROG Emissions (tons/day, annual average)"																				
County	1975	1980	1985	1990	1995	2000	2005	2010	2015	2020	1975	1980	1985	1990	1995	2000	2005	2010	2015	2020											
El Dorado	5	4	4	5	5	4	4	3	3	2	11	8	7	7	6	5	4	4	4	4											
Placer	2	1	2	2	2	2	2	2	1	1	6	3	3	3	3	2	2	2	2	2											
Air Basin Total	7	6	6	7	6	6	6	5	4	3	17	11	10	9	9	8	7	6	6	6											
																															
	"Directly Emitted PM10 Emissions (tons/day, annual average)"										"CO Emissions (tons/day, annual average)"																				
County	1975	1980	1985	1990	1995	2000	2005	2010	2015	2020	1975	1980	1985	1990	1995	2000	2005	2010	2015	2020											
El Dorado	2	2	3	3	3	4	4	4	4	5	131	95	79	64	51	42	33	30	28	28											
Placer	1	1	1	1	1	1	2	2	2	2	75	33	33	27	22	17	14	12	11	11											
Air Basin Total	3	4	4	5	5	5	5	6	6	6	206	129	112	92	73	59	46	42	40	39											
																															
	"Directly Emitted PM2.5 Emissions (tons/day, annual average)"																														
County	1975	1980	1985	1990	1995	2000	2005	2010	2015	2020																					
El Dorado	1	1	2	2	2	2	2	2	2	2																					
Placer	0	0	0	1	1	1	1	1	1	1																					
Air Basin Total	2	2	2	2	2	3	3	3	3	3