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California Air Resources Board

Annual Toxics Summary		 ARB's ADAM Air Quality Database
Santa Barbara-W Carillo Street
Chloroform
parts per billion
Year Months
Present		 Minimum Median Mean 90th
Percentile		 Maximum Standard
Deviation		 Number of
Observations		 Detection
Limit		 Estimated
Risk
2002
            0    
2001
            0    
2000
            0    
1999
0.01 0.02   0.04 0.08 0.018 17 0.02  
1998
0.02 0.05   0.06 0.08 0.015 23 0.02  
1997
0.01 0.08 0.102 0.18 0.35 0.072 28 0.02 3
1996
0.01 0.04 0.046 0.06 0.12 0.022 30 0.02 1
1995
0.02 0.04 0.052 0.07 0.10 0.020 29 0.02 1
1994
0.01 0.03 0.029 0.05 0.10 0.019 30 0.02 0.7
1993
0.01 0.03 0.038 0.06 0.10 0.021 31 0.02 1
1992
0.01 0.04 0.037 0.06 0.07 0.017 28 0.02 0.9
1991
0.01 0.04 0.038 0.07 0.09 0.022 34 0.02 1
1990
0.01 0.03 0.030 0.04 0.06 0.014 25 0.02 0.8
1989
0.02 0.04 0.043 0.05 0.07 0.013 20 0.02 1
Notes:  Values below the Limit of Detection (LoD) assumed to be ½ LoD.
Means and risks shown only for years with data in all 12 months.
Risks shown only for those substances with unit risk factors.