Performance Assessment of Underground Stormwater Treatment Devices Status: CompleteReport Date: 11/06/2007 Summary: Researchers developed a universal method for evaluating the performance of underground stormwater treatment devices in retaining sediment for removal after a storm event. The method was the first of its kind and was endorsed by ASTM. Final Deliverables: Performance Assessment of Underground Stormwater Treatment Devices (Report #2007-46) Performance Assessment of Underground Stormwater Treatment Devices (Research Summary) Related Materials: Related Research: