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<td>Sand filters and biofiltration<sup>1</sup>
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<td>Sand filters and biofiltration [https://stormwater.pca.state.mn.us/index.php?title=Calculating_credits_for_sand_filter]
 
<td>0%</td>
 
<td>0%</td>
 
<td>25%</td>
 
<td>25%</td>
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<td>Iron-enhanced sand filter<sup>2</sup>
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<td>Iron-enhanced sand filter [https://stormwater.pca.state.mn.us/index.php?title=Calculating_credits_for_iron_enhanced_sand_filter]
 
<td>60%</td>
 
<td>60%</td>
 
<td>25%</td>
 
<td>25%</td>
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<font size=1><sup>1</sup>[https://stormwater.pca.state.mn.us/index.php?title=Calculating_credits_for_sand_filter]<br>
 
<sup>2</sup>[https://stormwater.pca.state.mn.us/index.php?title=Calculating_credits_for_iron_enhanced_sand_filter]</font size>
 

Revision as of 18:37, 9 August 2019

Recommend filtration efficiency for P8
Link to this table

Filtration type Filtration efficiency (% removal)
Dissolved (P0%) Particulate (P10%) Particulate (P30% through P80%)
Sand filters and biofiltration [1] 0% 25% 100%
Iron-enhanced sand filter [2] 60% 25% 100%