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<th>Secondary mechanism</th> | <th>Secondary mechanism</th> | ||
<th>Other mechanism</th> | <th>Other mechanism</th> | ||
+ | <th>Proprietray/nonproprietray</th> | ||
<th>Above ground/below grade</th> | <th>Above ground/below grade</th> | ||
<th>Pollutants removed</th> | <th>Pollutants removed</th> |
Above ground and below grade storage and settling - pollutant removal information
Link to this table
Device | Primary mechanism | Secondary mechanism | Other mechanism | Proprietray/nonproprietray | Above ground/below grade | Pollutants removed |
---|---|---|---|---|---|---|
Pretreatment row on underground storage/filtration | Settling | Screening/straining | Infiltration (for volume loss) | Nonproprietary | Below grade | Sediment, total suspended solids |
StormTech Isolator Row (see adjacent figure) [1] | Settling | Screening/straining | Infiltration (for volume loss) | Proprietary | Below grade | Sediment, total suspended solids (>110 µm) |
Settling chamber/vault | Settling | Nonproprietary | Below grade | Sediment | ||
Oil/water/grit separators | Settling | Screening/straining | Nonproprietary | Below grade | Trash and debris, floatables, oil and grease, coarse sediment, total suspended solids when placed off-line [2]; [3] | |
Hydro Dry Screen | Settling | Screening/straining | Buoyancy/skimming | Proprietary | Below grade | Total suspended solids, oils, gross debris, nutrients [4] |
Suntree Nutrient Separating Baffle Box (NSBB) | Settling | Screening/straining | Buoyancy/Skimming; Biodegradation; Filtration (SkimBoss option) | Proprietray | Below grade | Total suspended solids, nutrients, organics, trash, litter, oils and grease [5] |
Manhole Baffle Box | Settling | Screening/straining | Nonproprietary | Below grade | Sediment, suspended solids, trash, floatables [6] | |
Environment 21 StormPro | Settling | Proprietary | Below grade | Suspended solids, hydrocarbons, trash, floatables [7] | ||
BaySeparator by BaySaver | Settling | Buoyancy/skimming | Proprietray | Below grade | Sediment, floatables, oil | |
Sump Manhole with SAFL Baffle | Settling | Screening/straining | Proprietray | Below grade | Sands and large silt sediment, total suspended solids | |
Deep sump catch basin | Settling | Buoyancy/skimming | Nonproprietary | Below grade | Sediment, debris, trash, oil | |
Forebay/pre-settling basin for wet pond | Settling | Nonproprietray | Aboveground | Sediment |