Appendix A Sacramento Valley Air Basin - County: Tehama Table A-71 OZONE (ppm) 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Peak 8-Hour Indicator (State) 0.111 0.103 0.1 0.097 0.097 0.1 0.093 0.091 0.099 0.107 0.109 0.105 0.094 0.095 0.095 0.091 Avg. of 4th High 8-Hr. in 3 Yrs (Nat) 0.089 0.086 0.086 0.086 0.083 0.086 0.091 0.091 0.086 0.083 0.084 0.085 0.082 Peak 1-Hour Indicator (State) 0.12 0.115 0.113 0.106 0.104 0.108 0.102 0.099 0.107 0.114 0.115 0.111 0.1 0.106 0.103 0.098 4th High 1-Hr. in 3 Yrs2 0.12 0.11 0.11 0.1 0.1 0.1 0.108 0.101 0.12 0.12 0.12 0.114 0.101 0.101 0.101 0.099 Max. 8-Hr. Concentration 0.1 0.085 0.091 0.093 0.087 0.103 0.084 0.093 0.112 0.108 0.088 0.085 0.095 0.088 0.089 0.086 Maximum 1-Hr. Concentration 0.12 0.11 0.1 0.1 0.1 0.11 0.108 0.101 0.12 0.128 0.095 0.094 0.109 0.102 0.097 0.098 Days Above State 8-Hr. Std. 37 38 39 18 25 40 43 27 62 73 33 31 44 40 51 36 Days Above Nat. 8-Hr. Std. 11 2 9 4 3 9 0 2 11 20 2 1 7 3 2 2 Days Above State 1-Hr. Std. 15 6 9 5 2 10 4 2 12 18 2 0 7 6 2 2 PM10 (ug/m3) 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Max. 24-Hr. Concentration (State) 68 67 85 75 67 74 63 56 58 118 99 49 73 71 58 57 43 Max. 24-Hr. Concentration (Nat) 68 67 85 75 67 74 63 56 58 119 98 49 71 69 58 57 41 Max. Annual Average (State) 31.4 29.7 32.4 29.3 24.9 25 Max. Annual Average (Nat) 31.4 29.7 32.5 29.3 25 30 25.2 20.2 22.5 23.6 28.8 23.6 26.2 30.5 22.6 24.5 21.9 Calc Days Above State 24-Hr Std 42 24 67 30 18 12 Calc Days Above Nat 24-Hr Std 0 0 0 0 0 0 0 0 0 0 0 0 0 PM25 (ug/m3) 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Max. 24-Hr. Concentration (State) Max. 24-Hr. Concentration (Nat) 98th Percentile of 24-Hr Conc. Annual Average (State) Avg. of Qtrly. Means (Nat) CARBON MONOXIDE (ppm) 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 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) 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Peak 1-Hr. Indicator Max. 1-Hr. Concentration Max. Annual Average SULFUR DIOXIDE (ppm) 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Peak 1-Hr. Indicator Max. Annual Average Max. 24-Hr. Concentration