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Table 11-4.2.1 Runoff Conveyance and Treatment BMPs by SWPPP <br /> Element (continued) <br /> Ele- Element Ele- Element Ele- <br /> ment #4 Ele- ment #8 Stab- Element ment Element <br /> BMP or Ele- #3 Install ment #7 Pro- ilize #9 Con- #10 #13 Protect <br /> ment Name Con- Sed- #6 Pro- tect Chan- trot Pol- Control Low Impact <br /> trot iment tect Drain nels lutants De- Devel- <br /> Flow Con- Slopes Inlets and Out- Water- opment <br /> Rates trols lets ing <br /> BMP C201: <br /> Grass- ✓ ✓ <br /> Lined Chan- <br /> nels (p.333) _ <br /> BMP C202: <br /> Channel ✓ <br /> Lining <br /> (p.338) <br /> BMP C203: <br /> Water Bars ✓ ✓ ✓ <br /> (p.339) <br /> BMP C204: <br /> Pipe Slope ✓ <br /> Drains <br /> (p.342) <br /> BMP C205: <br /> Subsurface ✓ <br /> Drains <br /> (p.346) <br /> BMP C206: <br /> Level ✓ ✓ <br /> Spreader <br /> (p.348) <br /> BMP C207: <br /> Check ✓ ✓ ✓ ✓ <br /> Dams <br /> (p.352) <br /> BMP C208: <br /> Triangular ✓ ✓ <br /> Silt Dike <br /> (TSD) (Geo- <br /> 2014 Stormwater Management Manual for Western Washington <br /> Volume 11- Chapter 4 -Page 328 <br />