m (→W) |
m (→Pa-Pm) |
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*<span title="Permeable pavements allow stormwater runoff to filter through surface voids into an underlying stone reservoir for temporary storage and/or infiltration. The most commonly used permeable pavement surfaces are pervious concrete, porous asphalt, and permeable interlocking concrete pavers (PICP)."> '''[https://stormwater.pca.state.mn.us/index.php?title=Permeable_pavement permeable pavement]'''</span> | *<span title="Permeable pavements allow stormwater runoff to filter through surface voids into an underlying stone reservoir for temporary storage and/or infiltration. The most commonly used permeable pavement surfaces are pervious concrete, porous asphalt, and permeable interlocking concrete pavers (PICP)."> '''[https://stormwater.pca.state.mn.us/index.php?title=Permeable_pavement permeable pavement]'''</span> | ||
*<span title="a subsurface emplacement of reactive materials through which a dissolved contaminant plume must move as it flows. Treated water exits the other side of the permeable barrier. This method may utilize bilogical or chemical methods for pollutant removal."> '''permeable reactive barrier'''</span> | *<span title="a subsurface emplacement of reactive materials through which a dissolved contaminant plume must move as it flows. Treated water exits the other side of the permeable barrier. This method may utilize bilogical or chemical methods for pollutant removal."> '''permeable reactive barrier'''</span> | ||
+ | *<span title="The permeameter is a laboratory tool to measure the saturated permeability, or K-factor, of soil samples." '''permeameter'''</span> | ||
*<span title="The Phase I program for MS4s requires operators of “medium” and “large” MS4s, that is, those that generally serve populations of 100,000 or greater, to implement a stormwater management program as a means to control polluted discharges from these MS4s"> '''Phase 1'''</span> | *<span title="The Phase I program for MS4s requires operators of “medium” and “large” MS4s, that is, those that generally serve populations of 100,000 or greater, to implement a stormwater management program as a means to control polluted discharges from these MS4s"> '''Phase 1'''</span> | ||
*<span title="The Stormwater Phase II Rule extends coverage of the NPDES stormwater program to certain “small” MS4s but takes a slightly different approach to how the stormwater management program is developed and implemented."> '''Phase 2'''</span> | *<span title="The Stormwater Phase II Rule extends coverage of the NPDES stormwater program to certain “small” MS4s but takes a slightly different approach to how the stormwater management program is developed and implemented."> '''Phase 2'''</span> |
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