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The median value of the 301 samples taken was '''9.50 mg/L''' whereas the mean was ''' 18.63 mg/L''', with a '''15%''' guideline exceedance.
The median value of the 301 samples taken was '''9.50 mg/L''' whereas the mean was ''' 18.63 mg/L''', with a '''15%''' guideline exceedance.
==External Performance Resources==
*[[https://www3.epa.gov/region1/npdes/stormwater/research/epa-final-report-filter-study.pdf USEPA, 2013 - Evaluation and Optimization of Bioretention Design for Nitrogen and Phosphorus Removal]]
**
==References==
==References==