188

Table 7.5.

Soil Properties and Experimental Conditions Used in Column Tests with Zinc Solution.

Drynent
Foundry  TOC   TIC   Clay  Iron    pH      Vsa      Densit   Length  Porosity   ent
Sand    (%)   (%)   (%)   (%)            (cm/sec)  (Mg/m)   (cm)             (mg/L)
Sand 1   1.5   0     5.1   2.83  3.0±0.3  8.7x10-3   1.60     29     0.39      50±2.0
Sand 1   1.5   0     5.1   2.83  4.0±0.3  1.8x10-3  1.49     28     0.43      50±2.0
Sand 2   2.6   0.5   7.0   0.15  4.0±0.3  2.6x 10-3  1.47     18     0.43      50±2.0
Sand 5   1.8   0     8.4   0.14  4.0±0.3  2.7x10-3   1.51     18     0.41      50±2.0
Sand 10  2.5   0.6   4.7   0.14  3.0±0.3  8.2x10-3   1.53      42     0.43     50±2.0
Sand 12  2.4    0    4.7   11.26  4.0±0.3  2.5x10-3  1.51      18     0.42     50±2.0
a Seepage Velocity