Screening and straining devices - general information
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Device Proprietary/nonproprietary Above ground or below ground Pollutants removed
Rain Guardian - Bunker Proprietary Below grade Litter and coarse debris, sediment
Rain Guardian - Turret Proprietary Below grade Litter and coarse debris, sediment
Rain Guardian - Foxhole Proprietary Below grade Litter and coarse debris, sediment
[ http://prj.geosyntec.com/npsmanual/checkdams.aspx Riprap check dams] Nonproprietary Above ground Sediment
Wattles Proprietary/nonproprietary Above ground Sediment, organic matter
Hydro Screen Proprietary Above ground/below ground Trash, debris, organics