94 & 97 BAAQMD Toxic Air Contaminant Data for PBTs

PBT Chemical 94 BAAQMD 97 BAAQMD % Change 94 SC Co 97 SC Co % Change
Arsenic 47 23 -51% 0.825 0.816 -11%
Beryllium 2.8 2.1 -26% 0.4 0.38 -5%
Cadmium 93 83 -11% 10.07 5.87 -42%
Chlorinated dioxins & furans 0.00016 0.001 525%      
Chloroform 13000 14000 8% 3150 2331 -26%
Chromium 19 8.7 -54% 1.52 1.235 -19%
Copper 370 360 -3%      
Dichlorobenzene 1200 1400 16% 110 94 -15%
Hexachlorobenzene 0.06 0 -100%      
Lead 780 3200 310% 69   -100%
Mercury 380 310 -18%      
Nickel 3400 590 -82% 20.7 26.2 27%
PAHs 490 590 20% 0.54 0.73 35%
Phenol 48000 22000 -54%      
Selenium 510 400 -22%      
Trichlorobenzene 1036 4050 290%      
Trichloroethane 630000 207000 -67%      
Zinc 5200 4600 -12%      
             
Bold = TRI & BAAQMD TAC data available