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ENVIRONME},�� EALTH DIVISION <br /> 304 I= Weber Ave,' iid Floor ,' } <br /> P O Box 388,- to 4 n GA 9520'1-0388 <br /> Approved , <br /> C A MB R I A Denied ,, n , <br /> 1 Concittons d � ' ��►�� <br /> , - .4ksT� JMIV5 41A4 <br /> 0 <br /> Date by '�� <br /> September 8, 2000 s� <br /> Mr Harlin Knoll <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> 304 E Weber Avenue, Third Floor <br /> Stockton, California 95202 <br /> Re Site Investigation/First Quarter 2000 Groundwater Monitoring Report <br /> Shell-branded (Independent) Service Station <br /> 420 West Kettleman Lane <br /> Lodi, California <br /> SAP Code 135445 <br /> Incident No 98995525 <br /> SJCPHS/EHD Site Code 19061 <br /> Dear Mr Knoll <br /> Cambria Environmental Technology, Inc (Cambria) prepared this report on behalf of Equiva <br /> Services LLC (Equiva) to document the recent site investigation activities at the above <br /> referenced site The purpose of the investigation was to further delineate the vertical extent <br /> 4of petroleum hydrocarbons and methyl tertiary butyl ether (MTBE) in soil beneath the site <br /> Cambria followed the scope of work presented in our September 30, 1999 Site Investigation <br /> Work Plan San Joaquin County Public Health Services, Environmental Health Division <br /> (SJCPHS/EHD) July 22, 1999 correspondence initiated the investigation, and the work was <br /> performed in accordance with SJCPHS/EHD and Central Valley Regional Water Quality <br /> Control Board (RWQCB) guidelines <br /> SITE BACKGROUND <br /> Site Description The subject site is located on the southeast corner of West Kettleman Lane <br /> and Hutchins Street in a primarily commercial area of Lodi, California (Figure 1) The site <br /> layout includes a station building, five dispensers, and an underground fuel storage tank (UST) <br /> complex (Figure 2) The service station was previously owned by Shell Oil Products <br /> Oakland CA Company, who transferred ownership to Equilon Enterprises LLC (Equilon) effective <br /> San Ramon, CA January 1, 1998 In early 1999, Equilon sold the station to the dealer The dealer now owns <br /> Sonoma CA <br /> Portland C R and operates the station as an independent dealer <br /> Cambria Previous Investigations: In September 1989, Aegis Environmental Consultants (Aegis) of <br /> Environmental Roseville, California drilled 15 soil borings in preparation for a proposed tank replacement <br /> technology,Inc <br /> protect Total petroleum hydrocarbons as gasoline (TPHg) and benzene were detected in one <br /> 270 Perkins Street boring, at 10 feet below grade (fbg) in the northwestern portion of the site at concentrations <br /> P 0 Box 259 <br /> Sonoma CA 95476 <br /> Te 1(707)935-4850 <br /> Fax(707)935-6649 <br />