Most of these data indicate that the tidal energy is the only significant 

 factor in current flow at the New Haven site. However, during the period from 

 14 to 15 May, 1978, a storm passed through the area that completely altered the 

 pattern of flow and more than doubled the velocities encountered on the bottom 

 (Fig. H-6). This storm had strong easterly winds that affected the water 

 column such that the westerly component of the tide on day "31" and "32" almost 

 doubled in speed while the easterly component was essentially eliminated. Al- 

 though this westerly drift must have moved significant amounts of water towards 

 the western end of the sound, no rebound or reverse flow was observed following 

 the storm. Events such as this must be monitored with the BOLT system to 

 evaluate the stress and Dotential for erosion of spoils that may occur. 



Sediments 



Heavy metal contents of sediments from the New Haven area are presented 

 in Table H-3. These samples have relatively high concentrations both on and 

 off the spoil mound that compare with values measured in Western Long Island 

 Sound. Although concentrations are high, the enrichment relative to iron is 

 not as great as found in the western sound. Identification of spoil material 

 on the basis of chemical content will be more difficult at New Haven, than at 

 other locations because of the lack of contrast with baseline conditions. 



Biochemical Studies 



The Mytilus edulis samples from Latimer's Light used at the New Haven 

 disposal site were collected on January 16, 1978. However, when ice. in the 

 Connecticut River caused a leak in the research vessel , the mussels were kept 

 under flowing seawater conditions at Noank , Conn, until April 10, 1978. When 



