Table 12. Summary of sediment organics data (ppb dw). 



a ZPAH is a summation of the concentrations of 19 polynuclear aromatic hydrocarbons. 



b Z DDT is a summation of the concentrations of six isomers of DDT/DDD/DDE. 



c ZPESTICIDE is a summation of the concentrations of nine pesticides other than DDT. 



d ZPCB is a summation of the concentrations of nine chlorination levels of polychlorinated 

 biphenyls. 



40 



