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Bioretention: Filter media
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Revision as of 16:26, 11 October 2017
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|-
|-
|Proportions
|Proportions
|*70 - 80 % coarse [[sand]]
|
*70 - 80 % coarse [[sand]]
*10 - 15 % [[topsoil]]
*10 - 15 % [[topsoil]]
*10 - 15 % organic soil component and [[additives]]
*10 - 15 % organic soil component and [[additives]]
|*70-80% coarse sand
|
*70-80% coarse sand
*20-30% organic soil component and additives
*20-30% organic soil component and additives
|}
|}
Jenny Hill
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