Difference between revisions of "BMP pollutant removal for hydrocarbons"
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Revision as of 22:10, 3 January 2013
| BMP group | Hydrocarbons> |
|---|---|
| Bioretentiona | 85c |
| Filtrationb | 85 |
| Infiltrationd | 100 |
| Stormwater ponds | 80 |
| Stormwater wetlands | 75 |
aData based on fewer than five monitoring studies
bExcludes vertical sand filters and filter strips
cFiltration values used
dNote that 100% is assumed for all infiltration, but only for that portion of the flow fully treated in the infiltration facility; by-passed runoff does not receive any treatment.