TABLE D-1 





Total OBS. 



Tidal Cur- 

 ; rent Inc. 



Residual 



Mean 





Current 



Mean 



Current 



Current 



Semi -major axis 











(cm/sec) 



4.7 * 



- 



- 



- 



Semi -minor axis 











(cm/sec) 



1.2 * 



- 



- 



- 



Di recti on 











(OT) 



072 * 



N.A 



N.A 



- 



Horizontal Kinetic 











energy (dynes/sec) 



11.35 * 



N.A 



N.A 



14.91 * 



10% Highest speeds 



14.0 







; 



(cm/sec) 



8,S% 



_ 



■ 



- 



Peak speed 











(cm/sec) 



- 



N.A 



- 



- 



Average maximum 











speed (cm/sec) 





N.A 



- 



- 



*Di recti on Not Working 



Sediment 



Sediment samples were taken at both the F'oul Ground and Lightship disposal 

 sites for analysis of heavy metal content. The results of this analysis are 

 presented in Table D-2. Samples were obtained in areas where disposal had 

 occurred in the past and all samples are among the highest in metal concentra- 

 tion found in this study. All Boston samples have high metal enrichment relative 



