Filtration - pollutant removal information
Filtration - pollutant removal information
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| Device | Primary mechanism | Secondary mechanism | Other mechanism | Proprietray/nonproprietray | Above ground/below grade | Pollutants removed |
|---|---|---|---|---|---|---|
| Pretreatment vegetated filter strip (VFS) | Filtration | Screening/Straining | Settling | Nonproprietary | Above Ground | Sediment, organic matter, trace metals, nutrients, pesticides |
| Level-Spreader - Vegetative Filter Strip System (LS-VFS) | Filtration | Screening/Straining | Settling | Nonproprietary | Above Ground | Sediment, organic matter, trace metals, nutrients, pesticides [1] |
| Up-Flo Filter by Hydro International | Filtration | Settling | Screening/Straining | Proprietary | Underground | Sediment, heavy metals, oil, nutrients, floatables, trash [2] |
| Storm Clean R catch basin filtration insert by CleanWay | Filtration | Screening/Straining | Proprietary | Underground | Trash and debris, sediment and total suspended solids, and oil (hydrocarbons and heavy metals depending on filter element options - Vermiculite media and MetalZorb media respectively) [3] | |
| The StormBasin TM | Filtration | Proprietary | Underground | Sediment, trash, vegetation, nutrients, bacteria, oil, metals [4] | ||
| Gravel filtration (e.g.,Filter socks, Rock Sox, gravel bags, gravel filter booms, etc.) | Filtration | Screening/Straining | Proprietary and Nonproprietary | Above Ground | Sediment, trash, organic matter | |
| Filtration berm | Filtration | Nonproprietary | Above Ground | Sediment, trash, nutrients | ||
| SiltSoxx R by Filtrexx | Filtration | Screening/Straining | Proprietary | Above Ground | Sediment, hydrocarbons, nutrients [5] | |
| StormExx R by Filtrexx | Filtration | Screening/Straining | Proprietary | Underground | Sediment, bacteria, heavy metals, hydrocarbons, nutrients |