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Composition of media supplied to each of the experimental biofiltration columnsa
| Column | [PPCP] (μg liter−1) | [Acetate] (μg liter−1) | [HgCl2] (mg liter−1) |
|---|---|---|---|
| Abiotic | 10 | 100 | 10 |
| Active | 0.25 | 100 | 0 |
| Active | 10 | 100 | 0 |
| Active | 100 | 100 | 0 |
| Active | 1000 | 100 | 0 |
The listed PPCP concentrations represent the concentration of each of the 15 PPCPs added to the medium.
