Leaching of Chromium, Copper, and Arsenic from CCA-Treated Utility Poles

Table 4

Mean and standard deviation (stdev) values and results of an unbalanced ANOVA of the Cu, Cr, and As concentrations at 0 cm from the utility poles of TLs 227, 225, and 259.

TL	Mean and stdev [Cu] (mmol/kg)	Mean and stdev [Cr] (mmol/kg)	Mean and stdev [As] (mmol/kg)
227	10.8; 9.37	3.57; 3.74	4.12; 3.60
225	4.11; 1.80	1.55; 0.960	1.20; 0.957
259	19.1; 10.7	21.8; 29.3	13.7; 16.9
values	0.019292	0.014372	0.018510