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8. B. - Page 76 <br /> m�tate that ianpactcd �;z�oun�3��at�er 6eneath fhe site anrI ihe sot�rces of VOCs in soi] gas <br /> ���d �roundwater. "fhc RI snclucied a ni��l�c�ical n�odei of vapor €��trus'ton into the <br /> bui�ciings ai the site frozn the vadose zc�nc ta d�termine expos�re eoi�ccr�ttatiaons and an <br /> air dis��ersion model of VOCs from the proposcd snii vapor treatinent systern. The <br /> I?easibility Study for the Site is currently bein� drafted and ��3ay be used as the basis �nr <br /> grantinb cic�sure of che site by D�"SC. <br /> Clienti: Confic�entiaE, �,os Angeles, California <br /> Prep�red cozzaprehertsiva hurna�� 17ea1t1� risic assessn�ent of students, staff, and resides�ts <br /> potentially exposed lc� heavy metals (principally lead), VOCs, SVOC;s, ar�d PCBs fron� <br /> soil soil va��or, and �;roundwater at 15-acre former manufacturin� faci3ity. �I"he sife is <br /> currently used as a yeae round scl�aol housing approxiinately 3,UC1U children. The <br /> evaluation �ieterminec3 that the site was safe for the ct�rreztt arad Future us�s and will be <br /> basis far regsalatary closurc of site. <br /> CRient: �onfielent�al, Los Aragetes, Cata�ornsa <br /> Prepared cosa�prehesxsive evaluatian of VOC vapor intrusian into classrao�x�s of middle <br /> schao[ fhaf: was fo�rrier IS-acre industrial facilit}�. Using ehe Joltnsoi�-��ttinge�r Vapor <br /> Intrusion madel, Che eva3uatic�n determined aece�3table soil �;as ec�neentrations at tI�e site <br /> that did not pose health Chreati ta s�udents, staff and resic#ents. �'l�is evaluatio�� is laeing <br /> useci to deten�ine cicanr�p goals and will be basis foz re�u(atiary closure af site. <br /> Cli:;nt--I�o�r�in�uer �:ncr�y Carson, C'alifor3�i,� <br /> Prepared coinpreher�sive evalua[ioi� of t�ae po�ent'sat health rssks associated with #he <br /> redeve[oprnent nf 6-�cre porcion of a 5[30-acre oil ar�d natural gas praducfian facil€ty rn <br /> Carson, California. The risk assessmcalt was used as tl�e basis for closu3 c�Cfhe site. <br /> k�aiser Ventures Incarporated, Fn��tana, California <br /> Prepared hcalth risk �ssess�nent of sen�i-vo3atil� carganic che�3licals ai�d inetals far a rfty- <br /> year old wastewater L�eat�ment faci]ity used at a 1,I00-aci°e former stcel mill. Tliis <br /> �vaEuatian was ��sed as fhe basis 'for grarstrng closure of the sile by ]ead regulatory <br /> agez�cy. <br />