Laserfiche WebLink
8. B. - Page 77 <br /> RNIt Frei�l�t - Los Angcics, C�li��oi <br /> Prepared a coi�nprehec�sive F't'eliminary Endai3�ennent Assess�r�ent (PLA) of pefroleurn <br /> hycirocarbon a.nd mctai contatninatian of a�orrt�er Freight depat. This evalziation was �s <br /> the baszs fc�r reaehing c1osure c�f Che site with lead regulalory agei�ey. <br /> Kaiser Venkures ir�corparated, l�ontana, California <br /> Prepared co���prehensive h�afth z°is� assessine�t of seini-volalile orgaalic chemieals a�d <br /> metais fo� 23-acre parcel of a 1,100-acre fo��ner steel mill. T3ie ]�ea�th � assessment <br /> was used to dete� clean �tp �aals and as i�f�E �asis for granting closure of tlse site by <br /> lead regtflatoXy agency. Air dispersion modeling usin� ISC5'7"3 was perFormed to <br /> detennine cfownwind ex�osiire point conceititrafions at sensi�ive receptars wit'hin a 1 <br /> kilo»Zetcr radius aPthe site. 3'he resuIts of the healtli risk assessn�ent were preseEited at a <br /> pu�Iic meetialg spoalso� by the Departr�ent �f Toxic Ssabstances Coratrol (�3TSC} in fhe <br /> cc�rramunaty pot�ntiatly affected by t�ae site. <br /> Un�cai Corporation - L,os Aeage�es, �aEifiarn�a <br /> Preparcd ca�n�sz'ehensive asscssment o'P getroleu��a hyd�'ocarbons ai�d metals �f�r a former <br /> petroleti�n service station located next to sei�sitive po�ulatia�� ce��te� {elea�lentary sc�ool). <br /> The assessment used a l�robabiiistic apgroach ta es�imate X�rsks t�o t1�e caininunity and was <br /> used as the basis for grantiz�g clas�re of the site by lead re�ulaEory a�ency. <br /> �lie�iC: Con�denEial, laos �nbe(es, Cali�or�tia <br /> Managed c�versigt�t of rer�aedial investi�ation most contaaninated �eavy met�l site i�l <br /> California. �.cad cot�ceniratioi�s ii� sosl �xcess of LS,flC10,€304 �aris �er billion (�pb) l�ave <br /> be�n nieastarcd at the site. "Tl�is S4ate Superftitnd Site was a former hard chrotne plaCi�7g <br /> opera�ion that ol�erated for approxiinai�ly 40-years. <br /> �Eient: C`anfid�n�iai, �an �'rancisco, Caiifarnia <br /> Caordinatar of regiot�al moE�itor'sna pragram Ca deter�nine background concea�trations of <br /> Fi�etals in air. AcCed as liaison with SCIIQMB and CARS �o per°Fortn co-location <br /> sazx�plin�; and eonsparison of accepted re�ulatary method with ASTM methodolo�;y. <br />