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− | <sup>a</sup>Data based on fewer than five monitoring studies | + | <sup>a</sup>Data based on fewer than five monitoring studies<br> |
− | <sup>b</sup>Excludes vertical sand filters and filter strips | + | <sup>b</sup>Excludes vertical sand filters and filter strips<br> |
− | <sup>c</sup>Filtration values used | + | <sup>c</sup>Filtration values used<br> |
<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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Bioretentiona | 85c |
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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.