Changes

|Documented total phosphorus removal of up to 71%<ref>Hood A, Chopra M, Wanielista M. Assessment of Biosorption Activated Media Under Roadside Swales for the Removal of Phosphorus from Stormwater. Water. 2013;5(1):53-66. doi:10.3390/w5010053.</ref>||[http://boldandgold.com/index.html Proprietary]

|Documented total phosphorus removal of up to 71%<ref>Hood A, Chopra M, Wanielista M. Assessment of Biosorption Activated Media Under Roadside Swales for the Removal of Phosphorus from Stormwater. Water. 2013;5(1):53-66. doi:10.3390/w5010053.</ref>||[http://boldandgold.com/index.html Proprietary]

|-

|-

![[Fly ash]]

![[Fly ash]]<ref>Brown, G., Vogel, J., and Storm, D. (2016). “Using Fly Ash in Bioretention Cells to Remove Phosphorus from Stormwater.” <http://rgvstormwater.org/wp-content/uploads/2016/09/Fly-Ash-Brown.pdf>.</ref>

|Ref <ref>http://rgvstormwater.org/wp-content/uploads/2016/09/Fly-Ash-Brown.pdf</ref>

|||

|

|-

|-

![[Iron filings (ZVI)]]

![[Iron filings (ZVI)]]