OZONE (ppm) 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 Peak 1-Hour Indicator 0.050 0.062 0.058 0.066 0.063 0.063 0.062 0.063 0.062 National 1-Hr. Design Value 0.040 0.039 0.059 0.059 0.060 0.060 0.060 0.060 0.060 0.060 Nat. 8-Hr. Design Value 0.040 0.035 0.043 0.042 0.053 0.051 0.051 0.050 0.051 0.049 Maximum 1-Hr. Concentration 0.050 0.040 0.068 0.050 0.070 0.060 0.070 0.060 0.064 0.056 Max. 8-Hr. Concentration 0.042 0.038 0.060 0.042 0.060 0.051 0.061 0.053 0.061 0.052 Days Above State Standard 0 0 0 0 0 0 0 0 0 0 Days Above Nat. 1-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 PM10 (ug/m3) 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 Max. 24-Hour Concentration 46 41 42 58 48 39 Max. Annual Geometric Mean 18.8 15.2 Calc Days Above State 24-Hr Std 0 0 0 3 0 0 Calc Days Above Nat 24-Hr Std 0 0 0 0 0 0 CARBON MONOXIDE (ppm) 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 Peak 8-Hr. Indicator Max. 1-Hr. Concentration Max. 8-Hr. Concentration NO MONITORING DATA AVAILABLE Days Above State 8-Hr. Std. Days Above Nat. 8-Hr. Std. NITROGEN DIOXIDE (ppm) 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 Peak 1-Hr. Indicator Max. 1-Hr. Concentration NO MONITORING DATA AVAILABLE Max. Annual Average SULFUR DIOXIDE (ppm) 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 Peak 1-Hr. Indicator Max. 24-Hr. Concentration NO MONITORING DATA AVAILABLE Max. Annual Average