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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> Not enough information given in databases to differentiate ype of filter so both combined for this entry</font size>
+
<sup>3</sup> Not enough information given in databases to differentiate type of filter so both combined for this entry</font size>
  
 
[[category:table]]
 
[[category:table]]

Revision as of 20:50, 18 July 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