Difference between revisions of "Pollutant removal percentages for filtration BMPs"
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Revision as of 13:01, 19 August 2013
Pollutant removal percentages for filtration BMPs.
Link to this table
| Practice | TSS Low-Med-High | TP Low-Med-High | TN4 | Metals3 (average of Zn and Cu) | Bacteria3 | Hydrocarbons3 |
|---|---|---|---|---|---|---|
| Media Filter1 | 75-85-90 | 30-50-55 | 35 | 80 | 35 | 80 |
| Vegetative Filter2 | 40-70-80 | (-51)-0-35 | 35 | 80 | 35 | 80 |
1 For example, sand, mixed sand/peat and other geologic media
2 Grass filter/swale
3 Not enough information given in databases to differentiate type of filter so both combined for this entry