m
m
Line 17: Line 17:
 
<td>35</td>
 
<td>35</td>
 
<td>80</td>
 
<td>80</td>
<td>35</td>
+
<td>50</td>
 
<td>80</td>
 
<td>80</td>
 
</tr>
 
</tr>
Line 26: Line 26:
 
<td>35</td>
 
<td>35</td>
 
<td>80</td>
 
<td>80</td>
<td>35</td>
+
<td>0</td>
 
<td>80</td>
 
<td>80</td>
 
</tr>
 
</tr>

Revision as of 21:44, 27 January 2015

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 50 80
Vegetative Filter2 see here see here 35 80 0 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