Table 6.

A sample mass balance analysis of trivalent Cr for Runs 8, 11, and 13.

Runs	Run 8	Run 11	Run 13
Initial concentration, mg/kg	37.20	77.95	37.20
Residual concentration, mg/kg	23.46	58.08	24.23
1st GAC chamber, F
Initial concentration, mg/kg	6.90	6.90	6.90
Residual concentration, mg/kg	21.15	0.00	19.70
2nd GAC chamber, G
Initial concentration, mg/kg	6.90	6.90	6.90
Residual concentration, mg/kg	14.48	0.00	25.30
Mass balance, %	121.75	74.51	148.99