California Air Resources Board 2008 Almanac (web)																															
Appendix A	Northeast Plateau									Table A-15 (NOx and ROG)																					
	"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											
Lassen	10	9	9	9	8	8	7	6	5	5	10	11	11	11	9	8	8	7	7	7											
Modoc	7	6	5	5	5	5	4	4	3	3	6	6	6	5	5	4	4	4	4	4											
Siskiyou	21	22	20	23	21	19	19	16	13	10	28	28	26	26	23	21	20	19	18	17											
Air Basin Total	37	37	34	37	34	32	30	25	21	18	44	45	42	42	37	33	31	30	28	27											
																															
Appendix A	Northeast Plateau									Table A-15 (PM10 and CO)																					
	"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											
Lassen	19	19	20	21	20	23	22	22	22	23	61	72	70	66	59	52	44	41	38	36											
Modoc	18	18	19	19	18	18	18	17	17	17	30	32	29	27	22	18	16	14	13	12											
Siskiyou	33	35	34	34	34	33	33	33	33	34	369	353	332	329	298	271	259	253	246	242											
Air Basin Total	69	72	73	74	72	74	73	72	73	74	460	457	430	422	380	341	319	307	297	289											
																															
Appendix A	Northeast Plateau									Table A-15 (PM2.5)																					
	"Directly Emitted PM2.5 Emissions (tons/day, annual average)"																														
County	1975	1980	1985	1990	1995	2000	2005	2010	2015	2020																					
Lassen	5	5	5	5	5	5	5	5	5	5																					
Modoc	4	4	4	4	3	3	3	3	3	3																					
Siskiyou	19	20	18	19	18	18	18	17	17	17																					
Air Basin Total	28	28	27	28	26	26	25	25	25	25