NLDS 4A 



200 400 600 800 1000 



0.5-75 



0.75-1 .0 



1.0-1.6 



I Phenanthrene (ppb) 

 I Pyrene (ppb) 



UDM Average UDM / average 



Phenanthrene Pyreno 



0.75-1 .0 



1.0-2.0 



200 



— I — 



NLDS 6A 



400 



600 



— I — 



800 1000 



■ Phenanthrene (ppb) 



■ Pyrene (ppb) 



UDM Average UDM / werag< i 



Phenanthrene Pyrem s 



0.5-0.75 



0.75-1.0 



1 .0-1 .75 



NLDS 10A 



400 600 



800 1000 



I Phenanthrene (ppb) 

 I Pyrene (ppb) 



UDM Average UDM Weragc 



Phenanthrene Pyren i 



Figure 3-26. Phenanthrene and pyrene concentrations measured in the long cores shown 

 with respect to the average predredge UDM samples. 



Monitoring Cruise at the New London Disposal Site, Seawolf Mound 1995 - 1998 



