Laserfiche WebLink
P4'6 <br /> `. _. tca(Te,chnics lnc• <br /> 27417Z=%?Er Rp°d <br /> Modesto CI'Afpmia 95351 <br /> (209)538-64241fdC.#538-5852 <br /> April 21,;-199.7 <br /> Project No251.3 <br /> 251.3 . N Fotmer M oresco Property (Ga` ne <br /> project NamM . <br /> ' Mr Ron RoWepublic Health Services <br /> San Joaquin County <br /> ntal Health Division <br /> Environme <br /> Weber Ave'Third Floor t„: <br /> 304 E. F <br /> P.O.Box 388 88•yi ,�. <br /> 4 kion CA 95201-03 8197r''. <br /> } Sto tq��y 1 _ .. <br /> to Interim Remedial Action e Road, Stockton; CA ' <br /> ' RE. Addendum 16865 Gawn <br /> Former Moresco Property, <br /> ' prepared this Addendum <br /> to Geological <br /> Dear Mr RoWe We have p P er Moresco Pro essed <br /> { McGranahan, Trustee, Plan, for the Fob ou exp <br /> icb—1 D. edial.Action addresses the concerns Y <br /> On behalf Of M ril 8? 1997 Iriterim Rem Th15 addendum vapor extraction• <br /> Technics Inc•'Ap Stockton, California. ediationbY <br /> 16865 Gawne Road,ri111, 1991 with regards to soil rem + <br /> in your. <br /> fax <br /> Exchange.Rates <br /> �€ t€ ff <br /> . 'd Pore Volume _ s :k ;_ �.. i, . <br /> r :U, Pore V olumeS a4,r F . A . <br /> osedfvapor extraction Weil at 50,893 <br /> + Volume . , -sn the area around the prop F <br /> V1re stimated pore volume (b) (n) ”. ,; ► . .. :. <br /> 'W, a � ,; � k:.Volume�; (n) �..�i� _ :,.� �ti � � est recharge well• <br /> well to tine faith <br /> f' . , '3p feet;distance from.the extraction - _- <br /> n b(th10 <br /> ickness) 45 feet. . }:ed from 36 4 r i <br /> • . n(Porosity)�. which i, <br /> 250 SCFM <br /> times .greater then the ext <br /> e Rate �, a blower rated of L� <br /> �- e Exchan .is n equipped wi e is 7 .. <br /> Pore Volum This volum 5is -ast ti eriencewith vapor <br /> Oxidizer (TO) <br /> -- The Thermal cubic feet per`'day' owever, P <br /> alent of ?60,000 day.... lI for the first several weeks et <br /> equiv ore volume Pyr that typically because of <br /> rate:of 1 P shown til-. <br /> :,:..., exchangeed with:TO units has : extraction' from the Seal extraction un wells <br /> systems eq'upP- °the,system 'of;100/o ; _ passive recharge <br /> ,j risible to run The system must first be Doth the p , <br /> I. P the subsurface e subsurface thr g .V <br /> conditions h oxygeri is added to th <br /> . 1 Enoug urn in the TO vapor have been removed to - <br /> S <br /> for complete b concentrations of gasoline. <br /> el high out over heating <br /> • F. *_. ,_2_ <br /> The eXtrem y. full capacity,with <br /> TO,to be run . , . <br /> yy s6 :t -n} <br /> t <br /> r <br /> S <br />