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DEC 14 '94 02=35PM 209 838 3509 P.1 <br /> Working To Restore Nature <br /> 1710 Main'Street <br /> Esca Ion, CA 95320 C 1 1994 M <br /> Phone: (2019) 838-3541' �t,�� Ea ...tet � f.0 V <br /> FAX: (209)838-3509 'ENVIRONMENTAL HEALTH r�aksca <br /> PERMITISERVICES 4 AUNAlndusorftwt n <br /> December 14, 1994 <br /> 150059,01 <br /> Ms, Mary Meat's <br /> San Joaquin County Public Health Services <br /> Environmental HdaUb Division <br /> P.O. Box 2009 <br /> Stockton, CA 95201 <br /> Subject: McAllista Trust, 601 S. 'Ventura Strat, SUwkton,'Califarn1a, Site!Code 1275 <br /> Ms. Mays: <br /> 'Phis loner is submitted to sumnwize the proposed work activities at the subject sits. The <br /> proposed workplan wu discussed at.aa,site meeting on De=ber 1, 1994 by representatives of <br /> McAllister 'Trust, PXWA Industries The. (EMNA) and San Joaquin County Public Health <br /> Services, Environmental Health Division "SIEH ). The results of.the site meeting w+em <br /> summarised in a letter from PHWEED dated D ber 5; 1994. The following tasks ate <br /> Prod - <br /> Tuk 1: Purge the exemdon pat of eaoess surface runoff and gmundwaner. Recent <br /> rains have resulted in significant ruttoCollecting in the eaGcava*M. The depth <br /> to wow in the excavation pit is apps `mately 13.3 feet below grade; the depth <br /> to groundwater in wells M azsd are approximately 15,1 and' 14.12 <br /> respectively; the depth of the +excava` n varies from approximately 13 to 17 <br /> feet below the gumd .surface. At a direction of PHS/E D, up.to 30,000 <br /> gallons of water purged from the ex pit wall be contained on sift in a <br /> portable tank. Disposal options will be evaluated atter a ample is collected <br /> fiom the containerized water and anal for the pres+enee of benzene, toluffte, <br /> ethylbeaz�ene, and xyldnes (BTEQ, Tal petroleum hydrocarbons as gasoline <br /> (TPft, and t� petroleum hydm=. oras as d escl eti'I"PHO. if flet removal of <br /> 20,000.gallons of water does not pur the excavation pit sufficiently to enable <br /> backfilling activities to procaed, RFS A will consider additional measum such <br /> as imparting crushed rock to place i the botonrn of the pit or, employing an <br /> additional storage tank. <br /> 1S=91Ir121494.dot <br />