Pretreatment pollutant removal characteristics - all devices Pretreatment pollutant removal characteristics - all devices

Pretreatment pollutant removal characteristics - all devices.
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Proprietary devices	Primary mechanism	Secondary mechanism	Other mechanism	Proprietray/nonproprietray	Above ground/below grade	Pollutants removed
Vortechs TM by Contech1	Hydrodynamic separation	Settling	Buoyancy/Skimming			Sediment, particulates > 50 microns, floatables
Continuous Deflective Separation (CDS) R by Contech1	Hydrodynamic separation	Settling/straining	Buoyancy/Skimming			Sediment, trash, floatables
Downstream Defender TM H.I.L. Technology1	Hydrodynamic separation	Settling	Buoyancy/Skimming			Particles >150 microns, floatables, oil and grease
First Defense R by Hydro International2	Hydrodynamic separation	Settling	Buoyancy/Skimming			Total suspended solids, sediment, trash, hydrocarbons, oil and grease
Stormceptor R by Imbrium or Rinker Materials3	Hydrodynamic separation	Settling	Buoyancy/Skimming			Sediment, oil and grease
Barracuda by BaySaver4	Hydrodynamic separation	Settling				Total suspended solids
Dual Vortex Separator by OldCastle5	Hydrodynamic separation	Settling				Total suspended solids, gross solids, trash, debris, oil and grease
SciClone TM by BioClean6	Hydrodynamic separation	Buoyancy/skimming				Total suspended solids, trash, oil and grease
Rain Guardian - Bunker	Screening and straining			Proprietary	Below grade	Litter and coarse debris, sediment
Rain Guardian - Turret	Screening and straining			Proprietary	Below grade	Litter and coarse debris, sediment
Rain Guardian - Foxhole	Screening and straining			Proprietary	Below grade	Litter and coarse debris, sediment
Riprap check dams	Screening and straining			Nonproprietary	Above ground	Sediment
Wattles	Screening and straining			Proprietary/nonproprietary	Above ground	Sediment, organic matter
Hydro Screen	Screening and straining			Proprietary	Above ground/below ground	Trash, debris, organics
Pretreatment row on underground storage/filtration	Above ground and below grade storage and settling	Screening/straining	Infiltration (for volume loss)	Nonproprietary	Below grade	Sediment, total suspended solids
StormTech Isolator Row (see adjacent figure) [1]	Above ground and below grade storage and settling	Screening/straining	Infiltration (for volume loss)	Proprietary	Below grade	Sediment, total suspended solids (>110 µm)
Settling chamber/vault	Above ground and below grade storage and settling			Nonproprietary	Below grade	Sediment
Oil/water/grit separators	Above ground and below grade storage and 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	Above ground and below grade storage and settling	Screening/straining	Buoyancy/skimming	Proprietary	Below grade	Total suspended solids, oils, gross debris, nutrients [4]
Suntree Nutrient Separating Baffle Box (NSBB)	Above ground and below grade storage and 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	Above ground and below grade storage and settling	Screening/straining		Nonproprietary	Below grade	Sediment, suspended solids, trash, floatables [6]
Environment 21 StormPro	Above ground and below grade storage and settling			Proprietary	Below grade	Suspended solids, hydrocarbons, trash, floatables [7]
BaySeparator by BaySaver	Above ground and below grade storage and settling	Buoyancy/skimming		Proprietray	Below grade	Sediment, floatables, oil
Sump Manhole with SAFL Baffle	Above ground and below grade storage and settling	Screening/straining		Proprietray	Below grade	Sands and large silt sediment, total suspended solids
Deep sump catch basin	Above ground and below grade storage and settling	Buoyancy/skimming		Nonproprietary	Below grade	Sediment, debris, trash, oil
Forebay/pre-settling basin for wet pond	Above ground and below grade storage and settling			Nonproprietray	Aboveground	Sediment
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 [8]
Up-Flo Filter by Hydro International	Filtration	Settling	Screening/Straining	Proprietary	Underground	Sediment, heavy metals, oil, nutrients, floatables, trash [9]
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) [10]
The StormBasin TM	Filtration			Proprietary	Underground	Sediment, trash, vegetation, nutrients, bacteria, oil, metals [11]
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 [12]
StormExx R by Filtrexx	Filtration	Screening/Straining		Proprietary	Underground	Sediment, bacteria, heavy metals, hydrocarbons, nutrients
SNOUT	Screening/Straining	Buoyancy/Skimming		Proprietary	Underground	Floatables, trash, oil [13]
Eliminator	Screening/Straining	Buoyancy/Skimming	Filtration	Proprietary	Underground	Floatables, trash, oil [14]
Floatable boom	Buoyancy/Skimming			Proprietary/Nonproprietary	Water surface	Oil, trash and debris, turbidity [15]
Hood	Buoyancy/Skimming			Nonproprietary	Underground	Floatables, trash, oil

Reference links: 1; 2; 3; 4; 5; 6