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California Air Resources Board

Annual Statewide Toxics Summary		 ARB's ADAM Air Quality Database
Ethylene Dibromide
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    
1998
            0    
1997
            0    
1996
            0    
1995
0.005       0.005 0.000 5 0.01  
1994
0.005 0.005   0.005 0.01 0.000 298 0.01  
1993
0.005 0.005 0.005 0.005 0.03 0.002 596 0.01 3
1992
0.005 0.005 0.006 0.005 0.07 0.006 598 0.01 3
1991
0.005 0.005 0.005 0.005 0.03 0.002 579 0.01 3
1990
0.005 0.005 0.007 0.01 0.07 0.006 575 0.01 4
1989
0.005 0.005 0.005 0.005 0.02 0.001 452 0.01 3
Graph It!
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.