"NOx Emissions (tons/day, annual average)"								"ROG Emissions (tons/day, annual average)"							
County	1975	1980	1985	1990	1995	2000	2005	2010	1975	1980	1985	1990	1995	2000	2005	2010
Lassen	9	9	9	9	8	7	7	6	9	13	13	12	12	12	12	11
Modoc	7	9	5	5	5	4	4	3	4	4	4	4	4	3	3	3
Siskiyou	23	21	19	18	16	12	11	9	21	25	23	27	26	23	23	23


	"PM10 Emissions (tons/day, annual average)"								"CO Emissions (tons/day, annual average)"							
County	1975	1980	1985	1990	1995	2000	2005	2010	1975	1980	1985	1990	1995	2000	2005	2010
Lassen	13	15	18	21	23	24	27	29	70	88	92	90	87	74	68	63
Modoc	19	21	17	18	18	19	20	22	29	33	35	38	32	25	23	20
Siskiyou	18	24	22	32	34	35	37	40	192	221	212	341	321	303	306	315