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1 <br /> I <br /> .,:��. ,o, ,�,. <br /> � , , . , ., ,: �, <br /> � �: �� �. �� � , <br /> � a��ru zooc <br /> (Updatcd Uccember 2006) <br /> CONUITIONAL USE LF.�'EL DESIGNA7'ION FOR PRETr�EA'1'1fENT (7'SS) <br /> �or <br /> Stormceptor S��stemB <br /> F.coloc�•'s Decision: <br /> Based on Imbrimn Systems Corpuration's application submisslons and recommendations <br /> by the Technical Re��ic�v Commitice(TRC), Ecolog�� hereby issues the folloNing Use Le��cl <br /> ' Dcsiguation for the Imbrium Systetns Corporation Stormeeptor S��stem�: <br /> j 1. Conditional Use Levcl Designation (CULD) fnr pretreatment,as deflned in the Ecologp <br /> � Manual Velumc 1, (a) ah�;ad af infiltration trcatmcnt,or(b)to protect and extend thc <br /> maintenanc�c��cic of a rSasic or Enhanced 7'rcatment de��ice(c.g.,sanJ or media tilter). <br /> IThis CIJLD applies to 5tormceptor Sl'stem� units sized in accordance wit6 7'able 1 <br /> � (bclo���) at thc rcatcr qunlily dcsign tlowrale as determined using the�Ycstcrn <br /> \Vashington Ilydroing}' �7odcl (N�V11M): <br /> � <br /> � 7'ablc 1 <br /> Trcahucnt �lo���ratc <br /> � Unit � m <br /> STC 450i lq3 <br /> � STC 900 2g5 <br /> STC 1200 285 <br /> STC 1800 285 <br /> I S'1'C 2400 _ 476 <br /> STC 3(00 47fi <br /> S7'C 4800 793 <br /> l STC(000 7y3 <br /> sTc noo �l lo <br /> s�•c <br /> 11000 1585 <br /> S7'(' <br /> 13000 1585 <br /> 51'C <br /> IG000 2220 <br /> 2. 71�c CUI.0 expires on .�pril 3U, 2009 unless extended bc Ecology. <br /> „ > <br /> _�— <br /> � <br />