Pollutant Concentrations1 for Filtration BMPs (Source: ASCE International BMP Database (ww.bmpdatabase.org), Tornes (2005) and Winer (CWP, 2000) (see also Appenidx N) | |||||
---|---|---|---|---|---|
Practice | TSS High-Med-Low4 | TP High-Med-Low4 | TN5 | Cu5 | Zn5 |
Media Filter2 | 5-11-16 | 0.06-0.10-0.19 | 1.1 | 0.008 | 0.060 |
Vegetative Filter3 | 13-20-44 | 0.15-0.24-0.36 | 1.1 | 0.008 | 0.060 |
1 All concentration values in mg/L which equals parts per million 2 For example, sand, mixed sand/peat and other geologic media 3 Grass filter/swale 4 See Appendix N discussion 5 Not enough information given in databases to differentiate type of filter so both combined for this entry |