20 



MBDS SEDIMENT TOTAL HMW PAH 

 CONCENTRATIONS (ppb) 



ND = Not Detected 



42°26.00' N 



42°25.00' N 



Figure 4-2. Contour map of total high molecular weight PAH concentrations (ppb) 



Chemical Analyses of Sediment Sampling at the Massachusetts Bay Disposal Site, June 1989 



