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<tr> | <tr> | ||
<th>Practice</th> | <th>Practice</th> | ||
− | <th>TSS Low-Med-High | + | <th>TSS Low-Med-High</th> |
− | <th>TP Low-Med-High | + | <th>TP Low-Med-High</th> |
<th>TN<sup>4</sup></th> | <th>TN<sup>4</sup></th> | ||
− | <th>Metals<sup> | + | <th>Metals<sup>3</sup> (average of Zn and Cu)</th> |
− | <th>Bacteria<sup> | + | <th>Bacteria<sup>3</sup></th> |
− | <th>Hydrocarbons<sup> | + | <th>Hydrocarbons<sup>3</sup></th> |
</tr> | </tr> | ||
<tr> | <tr> | ||
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<font size=1><sup>1</sup> For example, sand, mixed sand/peat and other geologic media<br> | <font size=1><sup>1</sup> For example, sand, mixed sand/peat and other geologic media<br> | ||
<sup>2</sup> Grass filter/swale<br> | <sup>2</sup> Grass filter/swale<br> | ||
− | <sup>3 | + | <sup>3</sup> Not enough information given in databases to differentiate ype of filter so both combined for this entry</font size> |
− | |||
[[category:table]] | [[category:table]] |
Pollutant removal percentages for filtration BMPs.
Link to this table
Pollutant Removal Percentages for Filtration BMPs (Source: ASCE International BMP Database (ww.bmpdatabase.org) and Winer (CWP), 2000 (see also Appenidx N) | ||||||
---|---|---|---|---|---|---|
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 ype of filter so both combined for this entry