Appendix A Mojave Desert Air Basin - County: Kern - MD Table A-37 OZONE (ppm) 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 Peak 1-Hour Indicator 0.122 0.134 0.125 0.121 0.125 0.121 0.121 0.116 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 0.116 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 0.095 Maximum 1-Hr. Concentration 0.13 0.124 0.142 0.13 0.119 0.134 0.119 0.113 0.126 0.115 Max. 8-Hr. Concentration 0.112 0.107 0.109 0.109 0.096 0.117 0.1 0.095 0.106 0.102 Days Above State Standard 15 43 54 46 22 43 39 25 33 18 Days Above Nat. 1-Hr. Std. 2 0 3 2 0 2 0 0 1 0 Days Above Nat. 8-Hr. Std. 13 46 46 42 19 40 34 15 33 26 PM10 (ug/m3) 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 Max. 24-Hour Concentration (State) 54 462 534 65 50 33 143 92 130 159 40 90 112 194 Max. 24-Hr. Concentration (Nat) 148 54 462 534 65 64 116 235 92 130 165 45 90 115 208 Annual Average (State) 16.9 18.4 15 17.7 20.3 19.8 24.2 Annual Average (Nat) 34 21.2 17.3 16.9 18.6 16.2 19.3 21.6 21.2 26.1 Calc Days Above State 24-Hr Std 0 6 0 0 6 6 12 Calc Days Above Nat 24-Hr Std 6 0 0 0 0 0 0 0 0 7 CARBON MONOXIDE (ppm) 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 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) 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 Peak 1-Hr. Indicator 0.063 0.067 0.072 0.072 0.072 0.067 0.07 0.066 0.067 Max. 1-Hr. Concentration 0.07 0.06 0.12 0.075 0.075 0.082 0.083 0.071 0.071 0.071 Max. Annual Average 0.008 0.01 0.011 0.01 0.01 SULFUR DIOXIDE (ppm) 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 Peak 1-Hr. Indicator Max. Annual Average Max. 24-Hr. Concentration A portion of Kern County lies within the San Joaquin Valley Air Basin