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* Step 8. Divide required storage (m<sup>3</sup>) by the 1 dimensional storage (in m) to find the required footprint area (''A<sub>p</sub>'') for the bioretention in m<sup>2</sup>.  
 
* Step 8. Divide required storage (m<sup>3</sup>) by the 1 dimensional storage (in m) to find the required footprint area (''A<sub>p</sub>'') for the bioretention in m<sup>2</sup>.  
 
* Step 9. Calculate the peak flow rate (''Q<sub>p</sub>'', in L/s) through the filter media:
 
* Step 9. Calculate the peak flow rate (''Q<sub>p</sub>'', in L/s) through the filter media:
<math>Q_{p} = A_{p}\times K_{sat}\times 3.6 \times 10^{-3}</math> 
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{{Plainlist|1=Where:
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*''K<sub>sat</sub>'' is the saturated hydraulic conductivity of the filter media (mm/hr), and
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*''A<sub>p</sub>'' is the area of the practice (m<sup>2</sup>).}}
   
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