Table 3-24. Results of Statistical Testing for Significant 



Differences Between Core Sections From the STNH-N 



Mound, July 1986 



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



Hg ns + ns ns ns ns ns ns ns 



Pb ns ns + ns + ns ns ns 



Zn ns ns ns + ns ns ns ns ns 



As - ns ns ns ns ns ns ns ns 



Cr ns ns + ns ns ns bdl bdl 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 ns ns ns 



COD ns ns ns ns ns ns ns ns ns 



Oil&Grease ns ns ns + ns ns ns ns + 



+ = 2-10 cm core section is significantly greater than 0-2 cm 

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

 variance. 

 = significantly less than 0-2 cm section, p < 0.05. 



ns = no significant difference, p > 0.05. 



bdl= all samples below detection limit. 



