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� <br />z <br />w <br />} <br />U <br />x <br />W <br />U <br />u <br />k <br />w <br />a <br />p[ <br />y <br />0 <br />� <br />w <br />¢ <br />cn <br />� <br />� <br />1 <br />9t <br />8f <br />7C <br />c� <br />b0 <br />4Q <br />30 <br />20 <br />10 <br />Supporting Materials <br />1 ft - 0.305 r <br />� <br />) � <br />ZONE 7 � <br />�'�' I <br />I � , <br />y 6 � <br />h I <br />i <br />I <br />I I i <br />I <br />i <br />p= 20 NOURS <br />�=101 HOURS <br />vR-v�= 1.t31 <br />0.1 <br />0.2 0.4 0.6 0.8 1 2 4 6 8 10 <br />WET BASIN VOLUME / RUNOFF VOLUME, VB/VR <br />Figure 5. FHWP TSS removal versus VB/VR ratio for zone 7 <br />This figure is repnnted fmm a Federal Highway Administration (FHWA) report titled'Retention, Detention, <br />and Overland Flow for Pollutant Removal from Highway Stormwater Runof(, Volume II: Deslyn Guidelines" <br />dated Novembar 1996 as Publication No. PHWA•RD-96•096. <br />SF-22 T 800.543.46G7 F 800.5G1.1Z71 lh' srorn��n,�aterinc.com �'2�� <br />