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_ <br /> PACIFIC <br /> ENVIRONMENTAL <br /> GROUP INC. <br /> SAN JOAQUIN COUNTY <br /> PUBLIC HEALTH SERVICES <br /> ENVIRONMENTAL HEALTH DIVISION <br /> P. 0. BOX 2009,STOCKTON,CA 95021 November 8, 1996 � ;� <br /> PHONE. (209)468-3420 Project 320-159.1 A <br /> 00V 1 0 1995 <br /> Mr.Brett Hunter <br /> Chevron U.S.A.Products Company ENVIRONMENTAL HEALTH <br /> D Approved P.O.Box 5004 PERMIT/SERVICES <br /> San Ramon,California 94583-0804 <br /> ArRpproved with changes: See <br /> Re nark <br /> Re: Work Plan <br /> D <br /> Chevron U.S.A.Service Station 9-1 <br /> isaeproved; See Remarks 452 <br /> II 334 E.Main Street <br /> SES COM►4tk�T; f�e:Lo� Ripon,California <br /> Remarks �___ - <br /> Dear Mr.Hunter: . <br /> C1kLA_ 4$ ftrgo'_(til ADU�dtit E_Q_-i.(,Nt- r N6Pu vJ S This letter,prepared by Pacific Environmental Group,Inc.(PACIFIC)on behalf of <br /> Date �' a` — B y " ' � Chevron U.S.A.Products Company(Chevron),presents a work plan to investigate soil <br /> and groundwater conditions at the site referenced above(Figures I and 2). The purpose <br /> ( of the investigation is to investigate soil and <br /> Approval of these z3iz�,as exee:I�ss aniy -fo. that � g groundwater conditions beneath the site. <br /> The service station on the site is currently being reconstructed. The field work proposed <br /> which IS shown J.tadPsc:;'lE�ed hereon but in this work plan has therefore been planned to be performed prior to December 1, 1995 <br /> does not authorize or approve any omission" when site paving is scheduled. <br /> or deviation of re u;rements of State taws Ar <br /> � ' The"scope of work of the investigation will generally include the drilling and installation <br /> tical Ordinances. of four soil borings(B-1 through B-4)and four groundwater monitoring wells(MW-1 <br /> through MW-4);soil and groundwater sampling and analyses;the calculation of <br /> groundwater flow direction and gradient;and report preparation. <br /> This work plan includes a brief discussion of site background,proposed scope ofwork, <br /> SD i r6 o¢IW61 .1 K)T*6 01*04 So�q}{t"Qts� and schedule. Previous environmental investigation has not been performed at the site. <br /> Field and laboratory procedures are presented as Attachment A. <br /> QcSi ri rM1 •.t f c td W L t.� 6 G co�.t 1 t E'ltD <br /> AS NtANIN`¢t � -t- KAA SIC 1111-E A, SITE BACKGROUND <br /> S htaXACtl�RtAii.wEZt <br /> Ca Nn NU 0 US c4�Q-E �` l The subject site is an operating Chevron service station(currently under re-construction) <br /> �s F�.1 F� t.0 nlCl NIJBj K'i't <br /> and is located at 334 East Main Street,in Ripon,San Joaquin County,California. The <br /> W AS <br /> site was originally constructed in June of 1969. Site topography is relatively flat. Site <br /> TD t T'S pu o Wl trf ID �' � elevation is approximately 70 feet above mean sea level(MSL). Land use in the site <br /> t13 ro� ` D <br /> vicinity is agricultural. The nearest surface water in relation to.the site is the Staruslaus <br /> River located approximately 2,000 feet to the.east ofthe site(Figure 1). <br /> 2025 Gateway Plate,Suite 440:San lose,California 95110 (408)441-7500 FAX(408)441-7339 <br />