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<p>To help ensure LID BMPs sustain healthy vegetation cover while not contributing substantially to nutrient loading of receiving waters, the quantity of extractable (i.e., available) P in the soil component needs to be measured and compared to design specifications or acceptance criteria. </p>----
→Chemical control
[[File:Phosphorus Cycle copy.jpg|thumb|500px|Phosphorus Cycle from Wikimedia Commons]]<br>
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==Limiting excess phosphorus==
===Volume reduction===
In many forms of LID practice, the dominant mechanism reducing the loading of phosphorus, is the significant volume reduction of the outflow achieved.
===Phosphorous Testing===
===Chemical control===
For infiltration practices an 'amendment' or chemically reactive 'additive' can help to retain even more phosphorus. Typically these components would make up 5 to 10% by volume of the filter media mixture.
[[Phosphorus testing]]
{{:Additives}}
==Phosphorus testing in media==
To help ensure LID BMPs sustain healthy vegetation cover while not contributing substantially to nutrient loading of receiving waters, the quantity of extractable (i.e., available) P in the soil component needs to be measured and compared to design specifications or acceptance criteria.
{{:Phosphorus testing in media}}
[[Category:Phosphorus]]
[[Category: Water quality]]
==References==