Appendix A Great Basin Valleys Air Basin - County: Inyo Table A-32 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 0.083 0.083 0.097 0.097 0.094 0.09 0.092 0.09 0.09 0.09 4th High 1-Hr in 3 Yrs 0.04 0.08 0.08 0.093 0.093 0.093 0.086 0.088 0.089 0.09 0.092 Avg of 4th Hi 8-Hr in 3 Yrs 0.04 0.055 0.06 0.068 0.064 0.076 0.074 0.079 0.079 0.08 0.079 Maximum 1-Hr. Concentration 0.05 0.08 0.08 0.101 0.085 0.095 0.084 0.092 0.094 0.09 0.095 Max. 8-Hr. Concentration 0.041 0.076 0.077 0.089 0.073 0.082 0.08 0.085 0.089 0.08 0.089 Days Above State Standard 0 0 0 2 0 1 0 0 0 0 1 Days Above Nat. 1-Hr. Std. 0 0 0 0 0 0 0 0 0 0 0 Days Above Nat. 8-Hr. Std. 0 0 0 3 0 0 0 1 1 0 2 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 394 1861 866 181 526 781 388 2668 491 402 1116 514 715 3189 Max. Avg. of Quarters 53.4 38.6 71.6 Calc Days Above State 24-Hr Std 78 68 30 33 36 35 42 33 55 55 82 19 48 42 Calc Days Above Nat 24-Hr Std 13 27 12 3 19 8 4 14 26 17 22 0 13 17 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 3.5 3.2 3.1 2.9 Max. 1-Hr. Concentration 6 11 5 5 4 Max. 8-Hr. Concentration 3.6 3.8 2.8 2.8 2 Days Above State 8-Hr. Std. 0 0 0 0 0 Days Above Nat. 8-Hr. Std. 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