92 



Table 3-9 



Results of Physical Analysis of Samples Collected from the 



Seawolf Mound Cores, July 1998 



Core/Zone Depth 



Radius 



Core 



TOC 



Solids 



Moisture 



Gravel 



Sand 



Fines 



fin) 



(m) 



Type 



(%) 



(%) 



(%) 



(%) 



(%) 



(%) 



Inner zone, core top 



















22A 0-0.5 



0-200 



Short 



2.20 



45.6 



54.4 







4 



96 



24A 0-0.5 



0-200 



Short 



5.10 



50.7 



49.3 



2 



3 



95 



25A 0-0.5 



0-200 



Short 



5.50 



47.0 



53.0 



1 



4 



95 



Mean 







4.27 



47.8 



52.2 



1 



4 



95 



Middle zone, core top 



















18A 0-0.5 



200-400 



Short 



2.20 



49.3 



50.7 







6 



94 



20B 0-0.5 



200-400 



Short 



2.30 



48.8 



51.2 







5 



95 



21 A 0-0.5 



200-400 



Short 



2.00 



58.9 



41.1 



5 



51 



44 



Mean 







2.17 



52.3 



47.7 



2 



21 



78 



Outer zone, core top 



















14B 0-0.5 



400-600 



Short 



2.10 



44.8 



55.2 



2 



12 



86 



15A 0-0.5 



400-600 



Short 



2.00 



44.2 



55.8 







2 



98 



16A 0-0.5 



400-600 



Short 



1.80 



55.7 



44.3 







7 



93 



Mean 







1.97 



48.2 



51.8 



1 



7 



92 



All zones, long cores 



















23A 0.50-0.75 



0-200 



Long 



2.40 



49.2 



50.8 



1 



4 



95 



23A 0.75-1.00 



0-200 



Long 



6.70 



48.7 



51.3 



1 



11 



88 



23A 1 .00-2.00 



0-200 



Long 



5.50 



62.4 



37.6 



20 



37 



43 



19A 0.50-0.75 



200-400 



Long 



2.00 



51.4 



48.6 



1 



8 



91 



19A 0.75-1.00 



200-400 



Long 



2.00 



52.8 



47.2 



1 



8 



91 



19A 1.00-2.00 



200-400 



.....Long..... 



1.80 



51.8 



48.2 



1 



8 



91 



17A 0.50-0.75 



400-600 



Long 



2.20 



52.3 



47.7 







6 



94 



17A 0.75-1.00 



400-600 



Long 



2.00 



51.0 



49.0 



5 



8 



87 



17A 1.00-1.70 



400-600 



Long 



2.30 



53.7 



46.3 







7 



93 



Mean 







2.99 



52.6 



47.4 



3 



11 



86 



All Data Summary 



















Mean 







2.89 



51.0 



49.0 



2 



11 



87 



Std. Dev. 







1.58 



4.7 



4.7 



5 



13 



15 



Maximum 







6.70 



62.4 



55.8 



20 



51 



98 



Minimum 







1.80 



44.2 



37.6 







2 



44 



1997 Data Summary Mean* 





2.13 



48.5 



51.5 



N/A 



19 



81 



References 



















WESTREF 26A 







1.60 



71.6 



28.4 



3 



65 



32 



Pre-dredge UDM Mean (1990 only) 













58 



43 



Pre-dredge CDM Mean (1990 only) 













53 



47 



N/A% gravel and sand combined in 1997 analysis. 



* Methods of silt/clay analyses defined between 1997 and 1998; see text for explanation. 



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



