42 



CDS 1994 Mound Depth Difference 

 SAIC July 1994 versus OSI April 1995 



41° 09.400' N 



41° 09.300' N 



41° 09.200' N 



Total Accumulation of 

 laterial at Phase 1 Cap Stage 



UDM Dep 



1 



72° 53.200' W 



72° 53.100' W 



1 



72° 53.000' W 



CLIS 



Mound Height in Meters 

 NAD 27 



0m 



100 m 



200 m 



Figure 3-18. Depth difference plot of SAIC's July 1994 baseline survey versus OSI's 

 April 1995 interim cap survey, overlaid with the detectable margin of the 

 UDM deposit, 0.25 m contour interval 



Monitoring Cruise at the Central Long Island Sound Disposal Site, September 1995 



