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{|class="wikitable"
{|class="wikitable"
|+ Soil Additives
|+ Filter Media Additives
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!Material
!Material
|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]
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![[Iron filings or Zero valent iron (ZVI)]]
![[Iron filings (ZVI)]]
|Proven phosphorus retention <br> Retained phosphorus is stable||May harm plants<ref>Logsdon SD, Sauer PA. Iron Filings Cement Engineered Soil Mix. Agron J. 2016;108(4):1753. doi:10.2134/agronj2015.0427.</ref> <br> Removal efficiency declines with increased concentration of incoming phosphorus
|Proven phosphorus retention <br> Retained phosphorus is stable||May harm plants<ref>Logsdon SD, Sauer PA. Iron Filings Cement Engineered Soil Mix. Agron J. 2016;108(4):1753. doi:10.2134/agronj2015.0427.</ref> <br> Removal efficiency declines with increased concentration of incoming phosphorus
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![[Red sand]]
![[Red sand or Iron-enriched sand]]
|Proven phosphorus removal <br> Also removes TSS||Poor orthophosphate removal in hypoxic or anoxic conditions
|Proven phosphorus removal <br> Also removes TSS||Poor orthophosphate removal in hypoxic or anoxic conditions
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|Removes phosphorus, as well as TSS, fecal coliform bacteria and heavy metals <br> Non-leaching||1-3 year lifespan, after which the product is removed as solid waste <br> [http://www.abtechindustries.com/smart-sponge Proprietary]
|Removes phosphorus, as well as TSS, fecal coliform bacteria and heavy metals <br> Non-leaching||1-3 year lifespan, after which the product is removed as solid waste <br> [http://www.abtechindustries.com/smart-sponge Proprietary]
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![[Sorbtive media]]<sup>TM</sup>
![[Sorbtive Media]]<sup>TM</sup>
|High phosphorus removal efficiency||[http://www.imbriumsystems.com/Portals/0/documents/sm/brochures/Sorbtive%20Media%20Brochure.pdf Proprietary]
|High phosphorus removal efficiency||[http://www.imbriumsystems.com/Portals/0/documents/sm/brochures/Sorbtive%20Media%20Brochure.pdf Proprietary]
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![[Water treatment residuals]]
![[Water treatment residuals]]
|Waste product reuse||Quality control (capabilities depend on source, treatment methods, storage time, etc of WTR)
|Waste product reuse||Quality control (capabilities depend on source, treatment methods, storage time)
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