Ecology letter finding Eco-Tec, Inc. Adsorb-it filtration fabric, when configured properly, can be used as a catch basin insert for stormwater control.

Letter showing Envirotac II functionally equivalent to C126 (Polyacrylamide for Soil Erosion Protection) and C140 (Dust Control) best management practices for stormwater management.

Ecology letter finding EarthGuard Fiber Matrix can be used as temporary erosion control mechanism.

Letter showing Deltalok product can be used to meet Element 6 (Protect Slopes) of the Stormwater Pollution Prevention Plan for construction sites.

Letter stating that Erosion EEL is equivalent to straw wattle for use in stormwater control.

Ecology finds Filtrexx SiltSoxx functionally equivalent to a silt fence, InletSoxx functionally equivalent to storm drain inlet protection options, and DitchChexx functionally equivalent to check dams options for stormwater management.

Ecology finds Floc™ is functionally equivalent to the flocculent chemicals identified in Best Management Practice C250 for construction stormwater chemical treatment.

Ecology finds Gator Guard Sediment Control Wattles functionally equivalent to C235 (Wattles) and C220 (Storm Drain Inlet Protection for earthen surfaces) Best Management Practices for stormwater management.

Ecology finds that GeoCurve Stormwater Inlet Filter is functionally equivalent for Best Management Practive C220 (Storm Drain Inlet Protection) for stormwater control.

Ecology finds this water decontaminator is functionally equivalent to the catch basin insert for stormwater control. While this product does not meet Washington's water quality performance criteria, it may be used in retrofit or construction situations to provide some level of TSS removal for stormwater.

Ecology finds the Kittitas County Solid Waste Sediment Control Compost Wattles produced at their compost facility is functionally equivalent to Best Management Practice C235 Wattles for stormwater management.

This is the signed functional equivilant document granted by Ecology for OptiRTC CMAC.

Ecology finds OutPak Corrugate Washout functionally equivalent to Best Management Practice C154 (Concrete Washout Area) for stormwater management.

A letter from Ecology stating this technology is equivalent to BMP C235..

A letter from Ecology stating this technology is equivalent to a Bioretention Facility.

Letter about use of Rubberform Trackout Mat.

Procedure for sizing Silva Cells to meet water quality standards using the Western Washington Hydrology Model. Silva Cells have been found to be functionally equivalent to rain gardens (Bioretention) for stormwater control.

Ecology finds Soaker-Tire Wash system is functional equivalent to BMP C106 (Wheel Wash) for stormwater management.

PowerPoint report gives the procedure for demonstrating compliance with water quality standards when using Splash Boxx for stormwater management using the Western Washington Hydrology Model.

Functional equivilancy letter.