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id�ntify the asount o! th� sit� ares and propos�d <br /> i�p�rvious eurlec� er�6 thet will drein into eaaA <br /> draineg� basin. Id�ntily and evaluats ispecte froa th� <br /> proposel to th� atorw wat�r qu�lity and quantity in <br /> aach a!lect�d draineq� be�in, including iap�cts on th� <br /> SR 526 draineq� laciliti�s. Ev�luate th� risk o! <br /> �ro�ion deaaq� to utility leciliti�s in Povd�r�ill <br /> Gulch. <br /> Conctptual drainaq� solutions includinq any nNd !or <br /> ad4ltionel �tor� w�t�r dat�ntion end/or w�t�r quality <br /> l�atur�s should b� id�ntili�d for �ach o! th� b�sins <br /> alf�ctW by th� propos�d d�v�lopNnt, inoludinq <br /> J�pan�s�, Edqwat�r, and otA�r a!l�ct�d drainaq� <br /> b��in�. Id�ntily �uaur�s to �dpu�c�ly tr�at rruwf! <br /> pollutent� prior to discharq� to sny of th� r�c�ivinq <br /> wat�r bodi�e. <br /> Id�ntily any hasardow or har�lul mat�rials to b� <br /> stor�d and/or u��d on th� sitt and !h� b�st menaq�nt <br /> practic�� to W u��d to �iniaist th� risk of spill�. <br /> AYaluat� th� pot�nlial iapacts to th� surlac� and <br /> qroundwat�r r��ourc��. <br /> Id�ntity th� lxation of �xf:stinq and proposed lu�linq <br /> •it�s. id�ntily b�st *anaq��nt practic�� !or <br /> ■ini�isinq th� pot�nti�l tor fu�ls or oth�r has�rdow <br /> •at�rials to b� apill�d or aacuaul�t� lroa drips �nd <br /> contwinst� th� surlaa� or qroundv�ter r��ourc�s. <br /> D�valop a apill containa�nt and action pl�n for td� <br /> •it�. 1lvaluat� th� l�asibility o! �ith�r cov�rinq th� <br /> fu�linq er�as (isolating th�a fro� �lon�vat�r runolt) <br /> and/or draininq lu�l ar��s to th� industrial <br /> pr�-tr�eta�nt lsaility. Evaluat� th� ad�quacy o! th� <br /> exi4tinq and propo��d oil/w�t�r s�parators to �t <br /> curxant stat� end lxal quid�lin�s and r�quir���nts. <br /> Evalust� hi�toric, �xistinq and anticipat�d wat�r <br /> quality impects q�n�rsled lro� th� eo�inq sit� on th� <br /> strea� corridors, includinq th• pot�ntiel for lu�l or <br /> other toxic sat�risl epills at th� facility. Provid� <br /> dxu'�ntetion o! wat�r quality suplinq conduat�d by <br /> eo�inq whar� storaMat�r �nt�rs th�ir sit�, at th� <br /> outlet of th� Powd�raill Cr��k d�t�ntion pond, end in <br /> otttar alfected drainaq� basins. <br /> Provida analy�is o! pr�viou�ly docua�nt�d PCs <br /> conta�inetion at th� Powd�r Mill Cr��k eo�inq <br /> d�t�ntion laailf.ty outlall di�cloa�d in 19e7 by th� <br /> D�part��nt o! Laoloqy. Ia�ntily pot�ntiel sourc�s oi <br /> PCB conta�ination. D�tin� a x� sonitorinq and <br /> control s�chani�� to essura that PCB conta*ination <br /> 5 <br />