Table 3-1 



Results of Chemical Analyses of Sediment Collected at FADS 



January 1987 



(Concentrations in ppm dry weight, except % TOC) 



SAMPLE # 1 4 5 6 8 9 10 11 12 14 



Mercury 0.31 0.30 0.40 <0.10 0.49 0.37 0.23 0.23 0.30 <0.10 



Arsenic 12.2 6.5 15.0 12.7 10.4 11.4 



Lead 94 67 144 117 116 146 



Zinc 143 127 183 150 166 134 



Chromium 63 <58 60 72 87 85 



Copper 79 59 87 77 88 67 



Cadmium <2.0 <2 . <2 . <2 . <2 . <2.0 <2 . <2 . <2.0 <2 . 



Nickel <38 <38 <38 <38 <38 <38 <38 <38 <38 <38 



TOC (%) 0.50 0.75 0.01 0.94 0.79 0.80 0.90 0.84 0.53 0.03 



PHC* 1300 620 1100 830 990 510 680 340 250 <50 



Total PCBs 0.12 0.11 0.14 0.23 0.07 0.20 0.10 0.15 0.30 <0.02 



DDTs <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 



Petroleum Hydrocarbons 



9.6 



9.8 



14.5 



9.7 



81 



54 



40 



<12 



127 



95 



113 



80 



68 



<58 



72 



<58 



73 



54 



56 



35 



