Appendix A Mojave Desert Air Basin - County: Kern Table A-37 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 0.122 0.134 0.125 0.121 0.125 0.121 0.121 0.116 4th High 1-Hr in 3 Yrs 0.12 0.121 0.123 0.123 0.123 0.126 0.119 0.119 0.118 Avg of 4th Hi 8-Hr in 3 Yrs 0.102 0.102 0.101 0.1 0.097 0.099 0.096 0.097 0.096 Maximum 1-Hr. Concentration 0.13 0.124 0.142 0.13 0.119 0.134 0.119 0.113 0.126 Max. 8-Hr. Concentration 0.112 0.107 0.109 0.109 0.096 0.117 0.1 0.095 0.106 Days Above State Standard 15 43 54 46 22 43 39 25 33 Days Above Nat. 1-Hr. Std. 2 0 3 2 0 2 0 0 1 Days Above Nat. 8-Hr. Std. 13 46 46 42 19 40 34 15 33 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 148 54 462 534 65 64 116 235 92 130 165 45 90 115 Max. Avg. of Quarters 34.5 18.5 19.2 21.3 21.1 Calc Days Above State 24-Hr Std 66 6 30 18 12 12 18 6 12 6 12 0 12 6 Calc Days Above Nat 24-Hr Std 6 0 0 0 0 0 0 0 0 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 Max. 1-Hr. Concentration Max. 8-Hr. Concentration Days Above State 8-Hr. Std. Days Above Nat. 8-Hr. Std. 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 0.063 0.067 0.072 0.072 0.072 0.067 0.07 0.066 Max. 1-Hr. Concentration 0.07 0.06 0.12 0.075 0.075 0.082 0.083 0.071 0.071 Max. Annual Average 0.008 0.01 0.011 0.01 0.01 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 A portion of Kern County lies within the San Joaquin Valley Air Basin