43 



Phase 1 Apparent CDM Thickness Depth Difference 

 OSI December 1994 versus OSI April 1995 Bathymetry 



41 "09.400 ' N- 



41° 09.300' N- 



41 ° 09.200' N- 



CDM 



Accumulation 



Net O 

 Consolidation 



Survey 

 Artifact 



CDM 

 Accumulation 



+ CDM Release Positions (700 yd 3 ) 



1 



72° 53.200' W 



72° 53.100' W 



72° 53.000' W 



CLIS 



Mound Height in Meters 

 NAD 27 



0m 



100 m 



200 m 



Figure 3-19. Depth difference plot of OSI's December 1994 baseline survey versus OSI's 

 April 1995 interim cap survey, overlaid with the reported 700 yd 3 barge 

 release positions, 0.25 m contour interval 



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



