Appendix A Northeast Plateau Table A-15 "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 9 9 9 9 8 8 7 6 5 5 11 15 15 14 13 12 12 11 11 11 Modoc 6 6 5 5 5 5 4 4 4 3 6 7 6 6 5 4 4 4 4 4 Siskiyou 18 19 18 18 17 15 12 10 9 8 29 29 28 28 26 23 22 22 21 21 Air Basin Total 34 34 32 32 30 28 23 20 18 16 47 51 49 48 44 40 39 37 36 36 "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 65 81 81 76 73 64 58 54 51 49 Modoc 18 18 19 19 18 18 18 17 17 17 31 33 31 30 25 20 18 16 15 14 Siskiyou 32 34 33 33 33 33 33 33 33 34 355 347 334 334 309 279 270 261 254 249 Air Basin Total 69 71 72 73 71 74 73 72 73 74 451 462 446 440 407 363 346 331 319 312 "Directly Emitted PM2.5 Emissions (tons/day, annual average)" County 1975 1980 1985 1990 1995 2000 2005 2010 2015 2020 Lassen 7 7 7 7 7 7 7 7 7 7 Modoc 6 5 5 5 5 5 5 4 4 4 Siskiyou 20 21 19 19 19 19 19 19 19 19 Air Basin Total 32 33 31 32 31 31 30 30 30 30