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ENVIRONMENTAL HEALTH DIVISION <br /> 304 E.Weber Ave.Third Floor <br /> P. O. Box 388, Stoc n CA 95201-0388 <br /> Approved <br /> Denied ❑ <br /> W / Conditions SEE Connwt�wt3 �?�t�ow <br /> Date q-j(.,•a-) by 44u)• a6w-f— <br /> au- �,` w � =` CAMBM <br /> sMv►otos vrw�- $� <br /> /kN14U(�D f�TZ YY1�E l <br /> �CW1Et l�lf�E, eT%Et CIVAL/ August 14,1997 <br /> �Vt EjY1V�►�t TBA ' \ Mr.Ron Rowe <br /> Y1rl� <br /> rL 1 San Joaquin County Public Health Services <br /> Environmental Health Division <br /> ?tib!taG rtS W 304 East Weber Ave.,3rd Floor <br /> D Ib� ��,Q k 0 .�_.� Stockton,California 95201-0388 <br /> �L) f Ti1C&ULA - CTM Re: Investigation Work Plan Addendum <br /> Shell Service Station <br /> 1071 North Main Street <br /> Manteca,California <br /> WIC ria##204-4728-0502 <br /> 2 <br /> {!a �1JfCl��(�J'�c • Cambria#24-323-7 <br /> P�A�YZG Sa�LS F'1J12 n ll 1t�1 J <br /> Dear Mr.Rowe: <br /> _I>E1J 11_Yt /K66=4E 4 As discussed during our July 17,1997 meeting,Cambria Environmental Technology,Inc.(Cambria) <br /> is submitting this work plan addendum for a subsurface investigation at the site referenced above on <br /> behalf of Shell Oil Products Company. In our meeting,you requested that we install three wells to <br /> define the extent of hydrocarbons in soil and assess whether hydrocarbons are in ground water beneath <br /> V (A�fMl the site. Our proposed scope of work for this investigation is described below. <br /> G717i�f�'o <br /> qu,l-Cq PROPOSED SCOPE OF WORK <br /> The only areas where elevated hydrocarbon concentrations were detected in soil following tank and <br /> piping upgrades were the western dispenser and the east side of the former underground storage tanks <br /> 3 • lZt��i?-T� where the product piping entered the tank pit. We will install one well at each of these two locations. <br /> We will install a third well at the northeast comer of the property to determine ground water flow <br /> j NtAA1l]C CANERIA direction and gradient and to further define the extent of any hydrocarbons that are detected in ground <br /> DI water in the two source area wells. Well locations re 1. <br /> DIVE <br /> ENVIRONMENTAL s are sown on FiS�, <br /> Tim.otocr,Inc. The specific tasks to he performed include: <br /> 0I' 1144 65tH STREET, <br /> L aA))�y�/Q��-� Utility Location: Cambria will notify Underground Service Alert of our drilling activities to identify <br /> L7 ObV'-� SUITE B utilities in the site vicinity. <br /> Site Health and Safety Plan: We will prepare a comprehensive site safety plan to protect site workers. <br /> CA 94608 The plan will be kept on site during site activities and signed by each site worker. <br /> 4 1 IN(.uolmM <br /> EVf1t.uA'T� C 1'�C F,c!61010v+1711 <br /> G')UW0D WAna elf__'dATta36 <br /> bmf T*e ffIC-1L"T5 5. � � 5 - br✓ Ih , <br /> 6?&WKa <br /> l�As'f OIJt bi) ttSlG 'Tb hW61 <br /> t'O ti,t- V�0-6t'o To TSE . WOfLK- IYlnrS'f Pim i„�1nig5ED $� <br /> owe' 6)(1w)vh Q �"�, � P►�5�� Sly' <br /> '56iV yh"X �totl156 lJ '� p,I' Vji1 � Wri��t�ttllh�5� <br /> o#?MNO) . 11(� 5"V' �Pb <br /> GoN�awo(I4j baft%h <br />