Appendix A Mountain Counties Air Basin - County: Calaveras Table A-42 OZONE (ppm) 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 Peak 1-Hour Indicator 0.121 0.118 0.123 0.124 0.128 0.123 0.124 0.116 0.116 0.116 Peak 8-Hour Indicator 0.105 0.102 0.105 0.105 0.111 0.109 0.109 0.101 0.1 0.099 4th High 1-Hr. in 3 Yrs 0.114 0.117 0.129 0.13 0.13 0.124 0.124 0.12 0.117 0.117 Avg. of 4th High 8-Hr. in 3 Yrs 0.099 0.096 0.097 0.093 0.096 0.096 0.1 0.094 0.092 0.091 Maximum 1-Hr. Concentration 0.121 0.146 0.138 0.14 0.134 0.126 0.134 0.12 0.131 0.117 Max. 8-Hr. Concentration 0.108 0.107 0.112 0.112 0.109 0.106 0.105 0.09 0.108 0.097 Days Above State Standard 35 23 24 6 27 21 16 8 14 20 Days Above Nat. 1-Hr. Std. 0 1 3 1 1 1 1 0 1 0 Days Above Nat. 8-Hr. Std. 34 19 18 4 28 18 17 5 12 18 PM10 (ug/m3) 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 Max. 24-Hr. Concentration (State) 44 118 36 112 34 63 36 42 47 39 Max. 24-Hr. Concentration (Nat) 44 118 36 112 35 65 35 44 44 40 Annual Average (State) 20.9 17.7 15.6 17.7 19.2 20.9 18.2 Annual Average (Nat) 21 17.8 19.9 15.8 20.7 17.9 19.4 20.9 18.2 Calc Days Above State 24-Hr Std 12 0 0 0 0 0 0 Calc Days Above Nat 24-Hr Std 0 0 0 0 0 0 0 0 0 PM2.5 (ug/m3) 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 Max. 24-Hr. Concentration (State) 33 48 31 40 20 Max. 24-Hr. Concentration (Nat) 33 48 31 40 20 98th Percentile of 24-Hr Conc. 28 30 18 30 19 Annual Average (State) 11.1 9 8.1 9.9 8.6 Avg. of Qtrly. Means (Nat) 11.1 9 8.1 9.9 8.6 CARBON MONOXIDE (ppm) 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 Peak 8-Hr. Indicator 0.7 1 0.9 0.9 0.9 0.9 0.8 1.1 1 1 Max. 1-Hr. Concentration 1.5 2.1 1.7 2.1 1.8 1.8 1.2 6.2 1.2 0.9 Max. 8-Hr. Concentration 0.7 1.8 0.9 1.7 0.9 0.8 0.9 4.3 0.8 0.7 Days Above State 8-Hr. Std. 0 0 0 0 0 0 0 0 0 0 Days Above Nat. 8-Hr. Std. 0 0 0 0 0 0 0 0 0 0 NITROGEN DIOXIDE (ppm) 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 Peak 1-Hr. Indicator Max. 1-Hr. Concentration Max. Annual Average SULFUR DIOXIDE (ppm) 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 Peak 1-Hr. Indicator Max. Annual Average Max. 24-Hr. Concentration