Appendix A North Central Coast Air Basin - County: Monterey Table A-52 OZONE (ppm) 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 Peak 8-Hour Indicator (State) 0.085 0.08 0.087 0.088 0.083 0.082 0.082 0.084 0.083 0.083 0.082 0.082 0.071 0.073 0.071 0.073 0.073 0.076 0.07 0.069 Avg. of 4th High 8-Hr. in 3 Yrs (Nat) 0.071 0.068 0.072 0.07 0.07 0.071 0.069 0.07 0.069 0.067 0.066 0.066 0.062 0.064 0.063 0.064 0.066 0.068 0.065 0.062 Peak 1-Hour Indicator (State) 0.095 0.092 0.098 0.096 0.094 0.093 0.091 0.095 0.096 0.092 0.09 0.093 0.084 0.088 0.082 0.081 0.082 0.083 0.078 0.076 4th High 1-Hr. in 3 Yrs2 0.09 0.09 0.09 0.09 0.1 0.09 0.09 0.09 0.09 0.091 0.087 0.089 0.084 0.085 0.081 0.082 0.082 0.08 0.08 0.08 Max. 8-Hr. Concentration 0.077 0.077 0.095 0.08 0.078 0.085 0.083 0.092 0.077 0.081 0.076 0.076 0.072 0.079 0.079 0.073 0.081 0.079 0.065 0.078 Maximum 1-Hr. Concentration 0.09 0.09 0.13 0.09 0.1 0.09 0.11 0.093 0.093 0.094 0.091 0.091 0.086 0.095 0.085 0.082 0.092 0.093 0.073 0.093 Days Above State 8-Hr. Std. 4 2 9 7 5 3 8 4 1 11 2 1 1 3 2 1 5 3 0 1 Days Above Nat. 8-Hr. Std. 0 0 1 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 Days Above State 1-Hr. Std. 0 0 3 0 1 0 2 0 0 0 0 0 0 1 0 0 0 0 0 0 PM10 (ug/m3) 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 Max. 24-Hr. Concentration (State) 54 56 46 41 86 50 50 50 91 54 94 77 72 60 90 58 60 51 Max. 24-Hr. Concentration (Nat) 54 57 58 45 86 50 50 50 91 52 91 74 68 62 87 56 58 49 Max. Annual Average (State) 22.5 11.6 19.5 20.6 20 21.4 30.3 31.2 28.9 31.6 25.9 15.8 18 Max. Annual Average (Nat) 25.4 29.1 23.4 19.7 19.5 19.5 20.6 20 29.9 27 29 29.9 29.4 27.7 30.1 24.9 18.4 17.3 Calc Days Above State 24-Hr Std 6 0 0 0 0 6 12 24 25 41 13 0 6 Calc Days Above Nat 24-Hr Std 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 PM25 (ug/m3) 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 Max. 24-Hr. Concentration (State) 30.8 26.4 25.6 23.5 15.9 22.3 16.2 13 Max. 24-Hr. Concentration (Nat) 30.8 26.4 25.6 23.5 15.9 22.3 16.2 13 98th Percentile of 24-Hr Conc. 21.5 21.7 22.8 14 15.5 14.2 Annual Average (State) 8.7 9.1 7.3 6.8 Avg. of Qtrly. Means (Nat) 7.9 8.7 9.1 7.3 7 6.8 CARBON MONOXIDE (ppm) 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 Peak 8-Hr. Indicator 2.5 2.5 2.5 2.5 2.5 2.5 2.4 2.3 2.2 2.2 2 2 2 1.6 1.6 1.5 1.4 1.2 1.2 1.1 Max. 1-Hr. Concentration 5 6 5 5 4 4 4 4.6 3.2 5.5 4.4 3.8 3.8 3.5 3.3 2.3 2.8 1.9 2.1 2.5 Max. 8-Hr. Concentration 2.3 2.4 2.4 2.5 2.5 2.9 2.7 2.1 2.1 2.6 1.8 2.2 1.8 1.4 1.6 1.4 1.1 1.2 0.9 1 Days Above State 8-Hr. Std. 0 0 0 0 0 0 0 0 0 0 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 0 0 0 0 0 0 0 0 0 0 NITROGEN DIOXIDE (ppm) 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 Peak 1-Hr. Indicator 0.083 0.077 0.072 0.071 0.068 0.062 0.064 0.064 0.062 0.059 0.059 0.059 0.054 0.046 0.045 0.046 0.046 0.05 0.051 0.052 Max. 1-Hr. Concentration 0.07 0.07 0.07 0.06 0.06 0.07 0.07 0.067 0.054 0.06 0.056 0.085 0.054 0.071 0.041 0.049 0.053 0.139 0.052 0.067 Max. Annual Average (Nat) 0.013 0.014 0.014 0.012 0.011 0.012 0.012 0.012 0.011 0.011 0.01 0.01 0.01 0.007 0.007 0.007 0.006 0.007 0.008 0.007 SULFUR DIOXIDE (ppm) 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 Peak 1-Hr. Indicator 0.01 0.01 0.01 0.01 Max. Annual Average 0 0 0 0 Max. 24-Hr. Concentration 0 0 0 0