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<sup>d</sup>Note 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. | <sup>d</sup>Note 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. | ||
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+ | <noinclude> | ||
+ | [[Category:Level 2 - Pollutants/Pollutant removal]] | ||
+ | </noinclude> |
BMP group | Hydrocarbons> |
---|---|
Bioretentiona | 80c |
Filtrationb | 80 |
Infiltrationd | 100 |
Stormwater ponds | 80 |
Stormwater wetlands | 85 |
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.