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10) Limitvehicleexteriorwashingandequipmenttoadefinedareaofthesite. <br />a) Runofffromthewashingareamustbecontainedinasedimentbasinorother <br />similarlyeffectivecontrols; <br />b) Wastefromthewashingactivitymustbedisposedofproperly; <br />c) Soaps,detergents,andsolventsmustbeproperlyusedandstored. <br />11) Liquidandsolidwastesgeneratedbywashoutoperations(e.g.concrete,stucco, <br />paint,formreleaseoils,curingcompoundsandotherconstructionmaterials)related <br />totheconstructionactivitymustbecontainedandnotcontacttheground.Asign, <br />indicatingthelocationofawashoutfacility,mustbeinstalled. <br />vi. TerminationConditions <br />1) Allconstructionactivitymustbecompletedandpermanentcovermustbeinstalled <br />overallareas; <br />a) Permanentcovermustconsistofauniformperennialvegetationwithadensity <br />of70percentofitsexpectedfinalgrowth; <br />b) Vegetationisnotrequiredwherethefunctionofaspecificareadictatesno <br />vegetation,suchasimpervioussurfacesorthebaseofasandfilter. <br />2) Permanentstormwatertreatmentsystemmustbecleanedofanyaccumulated <br />sediment; <br />a) Thesystemmustmeetallapplicablerequirementsandoperateasdesigned. <br />3) Sedimentmustberemovedfromconveyancesystem(s); <br />4) TemporarysyntheticerosionpreventionandsedimentcontrolBMPsmustbe <br />removed.BMPsdesignedtodecomposeonsitemaybeleftinplace; <br />5) Forresidentialconstructiononly,permitcoveragemaybeterminatedonindividual <br />lotsif: <br />a) Thestructure(s)arefinished,permanentcoverhasbeenestablished,andthelotis <br />soldtothehomeowner;or <br />b) Thestructure(s)arefinished,thelotissoldtothehomeowner, <br />temporaryerosionpreventionperimetercontrolsareproperlyinstalled <br />downgradientofanysoilswherepermanentcoverhasnotbeen <br />established,andthehomeownerisprovidedtheat/!͸ƭͻIƚƒĻƚǞƓĻƩ <br />Fact{ŷĻĻƷͼ͵ <br />6) Forconstructionprojectsonagriculturalland(e.g.,pipelines <br />acrosscropland),thedisturbedlandmustbereturnedtoitspreconstruction <br />agriculturaluse. <br />d. DesignCriteriaforTemporarySedimentBasins ΝLƷĻƒƭЊВ͵ЌğƓķЊВ͵ЎΞ <br />i. Where10ormoreacresofdisturbedsoildraintoacommonlocationorwhere5ormore <br />acresofundisturbedsoildraintoacommonlocationontheprojectthatiswithinonemile <br />(aerialradiusmeasurement)ofanͻźƒƦğźƩĻķǞğƷĻƩƭͼͲͻƚƷŷĻƩspecialǞğƷĻƩƭͼͲͻƦƩƚŷźĬźƷĻķ <br />ǞğƷĻƩƭͼͲand/orͻƩĻƭƷƩźĭƷĻķǞğƷĻƩƭͼasdefined,theapplicantmustprovideabasinto <br />providetreatmentoftherunoffbeforeitleavestheconstructionsiteorenterssurface <br />waters. <br />ii. Temporarysedimentbasinsmaybeconvertedtoapermanentbasinafterconstructionis <br />complete. <br />March2024|wqstrm498 <br />Page 14 of 23 <br /> <br />