Table 1: Average, maximum, and standard deviation (stdev) values of Cu, Cr, and As concentrations in runoff from the suspended log and water quality guidelines [28].

2002 Average, maximum, and stdev (of 14)2004 Average, maximum, and stdev (of 33)2005 Average, maximum, and stdsev (of 11)Limit for drinking waterLimit for fresh waterLimit for marine waterLimit for livestockLimit for irrigation

Cu
(mol/L)
3.85
33.4
8.56
12.8
149
26.9
3.26
5.17
1.00
15.71

Cr
(mol/L)
2.74
31.5
8.31
7.08
77.7
15.0
2.79
5.48
1.23
0.961

As
(mol/L)
1.53
14.0
3.63
5.70
55.8
12.4
1.13
2.60
0.625
0.1330.0670.1670.3341.33

Aesthetic objective, [28].