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California Air Resources Board

Annual Toxics Summary		 ARB's ADAM Air Quality Database
Burbank-W Palm Avenue
Chloroform
parts per billion
Year Months
Present		 Minimum Median Mean 90th
Percentile		 Maximum Standard
Deviation		 Number of
Observations		 Detection
Limit		 Estimated
Risk
2002
0.02 0.05 0.062 0.11 0.16 0.036 31 0.02 2
2001
0.01 0.05 0.054 0.09 0.11 0.026 30 0.02 1
2000
0.02 0.05 0.057 0.10 0.11 0.028 29 0.02 1
1999
0.01 0.05 0.059 0.14 0.17 0.047 25 0.02 2
1998
0.01 0.06 0.069 0.09 0.18 0.033 27 0.02 2
1997
0.01 0.05 0.053 0.09 0.12 0.029 28 0.02 1
1996
0.01 0.06 0.066 0.12 0.15 0.035 30 0.02 2
1995
0.01 0.06 0.093 0.14 0.64 0.110 31 0.02 2
1994
0.01 0.06 0.063 0.11 0.15 0.039 29 0.02 2
1993
0.01 0.05 0.056 0.09 0.13 0.027 33 0.02 1
1992
0.01 0.06 0.063 0.10 0.16 0.036 30 0.02 2
1991
0.01 0.06 0.066 0.11 0.27 0.056 28 0.02 2
1990
0.01 0.05 0.056 0.09 0.16 0.034 31 0.02 1
1989
0.02 0.07   0.11 0.12 0.030 12 0.02  
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.