Table 3-23. Results of Statistical Testing For 



Significant Differences Between Core Sections 



STNH-N Stations And The Center Station, 



July 1986 



Variable 



400W 150W 200E 400E 200N 100N 100S 250S 



Top 



Hg 



ns 



ns 



+ 



+ 



+ 



ns 



- 



ns 



Pb 



ns 



+ 



+ 



ns 



ns 



- 



- 



ns 



Zn 



ns 



ns 



ns 



ns 



ns 



- 



- 



ns 



As 



ns 



ns 



ns 



ns 



ns 



- 



- 



ns 



Cr 



ns 



ns 



ns 



ns 



ns 



ns 



+ 



ns 



Cu 



ns 



ns 



ns 



ns 



ns 



ns 



+ 



ns 



Fe 



ns 



ns 



ns 



ns 



ns 



- 



ns 



ns 



% Tot. C 



ns 



ns 



ns 



+ 



ns 



- 



ns 



ns 



COD 



+ 



+ 



+ 



+ 



+ 



ns 



ns 



+ 



Oil&Grease 



ns 



+ 



ns 



+ 

 Bottom 



ns 



ns 



ns 



ns 



Hg 



ns 



ns 



ns 



ns 



ns 



+ 



- 



- 



Pb 



+ 



+ 



+ 



ns 



+ 



ns 



ns 



+ 



Zn 



ns 



ns 



ns 



ns 



ns 



ns 



ns 



ns 



As 



+ 



+ 



+ 



+ 



+ 



ns 



ns 



ns 



Cr 



+ 



+ 



+ 



ns 



+ 



bdl 



bdl 



+ 



Cu 



ns 



ns 



ns 



ns 



ns 



ns 



- 



ns 



Fe 



ns 



ns 



ns 



ns 



ns 



- 



ns 



ns 



% Tot. C 



ns 



ns 



ns 



+ 



ns 



- 



ns 



ns 



COD 



+ 



+ 



+ 



+ 



+ 



ns 



ns 



+ 



Oil&Grease 



ns 



+ 



ns 



+ 



ns 



ns 



ns 



ns 



+ = station value is significantly greater than center station, 



p < 0.05, Kruskal-Wallis, one-way analysis of variance. 

 - = significantly less than center station, p < 0.05. 

 ns = no significant difference, p > 0.05. 

 bdl= all samples below detection limit. 



