Table 3-26. Results of Statistical Testing for Significant 

 Differences Between Core Sections From The STNH-N Mound In July 1986 

 And Grabs From January 1982 and September 1984. 



Variab] 



e 



CTR 



400W 



150W 



200E 



400E 



200N 



100N 



100S 



250S 











January 

 Top 



1982 











Pb 





ns 



ns 



ns 



- 



ns 



- 



ns 



+ 



ns 



Zn 





ns 



+ 



ns 



ns 



+ 



+ 



ns 



+ 



ns 



Cr 





ns 



+ 



ns 



- 



+ 



ns 



bdl 



bdl 



ns 



Cu 





ns 



+ 



ns 



ns 



ns 



ns 



ns 



+ 



ns 













Bottom 











Pb 





ns 



ns 



ns 



- 



ns 



- 



ns 



+ 



ns 



Zn 





ns 



+ 



ns 



ns 



+ 



ns 



ns 



+ 



ns 



Cr 





ns 



+ 



ns 



- 



+ 



ns 



bdl 



bdl 



ns 



Cu 





ns 



+ 



ns 



- 



ns 



ns 



ns 



+ 



ns 











September 

 Top 



1984 











Hg 

 Pb 





ns 

 ns 







ns 



ns 











Zn 





ns 







+ 



+ 











As 





- 







- 



- 











Cr 





ns 







ns 



+ 











Cu 





ns 







ns 



ns 











Fe 





- 







ns 



ns 











% Tot. 



c 



ns 







ns 



ns 











COD 





ns 







ns 



+ 











Oil&Grease 



ns 







+ 



ns 





















Bottom 











Hg 



Pb 





+ 







ns 



ns 











Zn 





ns 







ns 



+ 











As 





ns 







ns 



- 











Cr 





ns 







ns 



+ 











Cu 





ns 







- 



ns 











Fe 





ns 







ns 



+ 











% Tot. 



c 



ns 







ns 



+ 











COD 

 Oil&Gr< 



»ase 



ns 

 ns 







ns 



+ 

 ns 











+ = value is significantly greater than 1986 core 



section, p < 0.05, Kruskal-Wallis, one-way analysis of 



variance. 

 - = value is significantly less than 1986 core section, p < 



0.05, 



Kruskal-Wallis, one-way analysis of variance, 

 ns = no significant difference, p > 0.05. 

 bdl= all samples below detection limit. 



