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ENVIRONMt}.rAL HEALTH DIVISION r <br /> 304 E. Weber Ave. Third Floor <br /> C A M B R I A Appr3olve Stod — ckton A 95201-0388 <br /> Denied 0 <br /> Conditions e : ,il <br /> - `i7' -7 P,; 1 33 <br /> Date by September 1, 1999 <br /> Mr. Jeffrey Wong <br /> San Joaquin County Public Health S ice <br /> Environmental Health Division <br /> 304 East Weber Avenue, Third Floor <br /> Stockton, California 95202 <br /> Re: Site Investigation Work Plan 'A a40LACe2 <br /> Former Shell Service Station 2 , ?ro U;C& WorIc /I t proff y <br /> 880 Victor Road // / <br /> Lodi, California Co�Clb> 'ce� ( Or SWvIt� y <br /> © SAP Code: 135446 {� /_ -I e <br /> Incident #: 98995526 fld�.. Vofbr- C�-e-feC to-yv cn <br /> SJCPHS/EHD Site Code: 1746 3 , <br /> USS. (-at Cc 61C <br /> - p <br /> Dear Mr. Wong: ' ,N <br /> �O C Q)'1`7"t'o I <br /> Cambria Environmental Technology, Inc. (Cambria) p ar6pGis *orrk <br /> plan on behalf of <br /> Equiva Services LLC in response to the June 21, 1999 San Joaquin County Public Health <br /> Services Environmental Health Division (SJCPHS/EHD) letter requesting additional soil and <br /> groundwater investigation at the above referenced site. The purpose of this investigation is <br /> to identify the product release source area and to delineate the vertical extent of petroleum <br /> hydrocarbons and methyl tertiary-butyl ether (MTBE) in soil and groundwater in the source <br /> area. The scope of.work presented in this work plan will comply with SJCPHS/EHD and / <br /> Regional Water Quality Control Board (RWQCB) guidelines. �� <br /> SITE BACKGROUND Gto/%vI6e 106 <br /> Ao �4 fef— <br /> �/or S'�o� ('dJylIX.P.rt CQ <br /> Site Description: The site is currently a non-operating gasoline station located on the )Uot/, is- 97 <br /> southeast corner of the intersection of Beckman Road and Victor Road in Lodi, California <br /> (Plate 1). The site layout includes a service station building, two dispenser islands, a fuel <br /> underground storage tank (UST) complex, and a waste oil tank (Plate 2). <br /> Oakland, CA <br /> Previous Investigations: During December 1994, four single-walled steel USTs (two 10,000- <br /> Sonoma. CA gallon and two 6,000-gallon) and associated product piping were removed. Petroleum <br /> Portland, OR hydrocarbons were detected in soil samples collected from beneath the former dispenser <br /> Seattle, WA islands and product piping and in the southeastern half of the UST excavation. Fugro West, <br /> Cambria Inc. (Fugro) of Roseville, California performed over-excavation beneath the dispenser area <br /> Environmental and UST complex and collected additional soil samples. One soil sample collected from the <br /> Technology,Inc. bottom of the UST excavation contained 1,000 parts per million (ppm) total petroleum <br /> 270 Perkins Street hydrocarbons as gasoline (TPHg), and one soil sample collected from the northern sidewall of <br /> P.O.Box 259 <br /> Sonoma,CA 95476 <br /> Tel(707)935-4850 <br /> Fax(7o7)935-6649 <br />