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AR <br /> M A Fit—I'1AR Y1: '89.lel:��'3 FETROLEI =fJGINEEF'Ifl_; 70 545 06.6_S S s Y F' _ 'F.U <br /> DuPont Biosystems <br /> March 10, 1989 <br /> Job No. 1038-T-5 <br /> Conoco Inc. <br /> 900 S. Cherokee Lane <br /> Lodi , California 95240 <br /> Attentions 11s, Joyce Miley <br /> Subject : Soil Sampling During Tank Full <br /> Fast Gas Station <br /> 800 East. Highway 12 <br /> Lodi , California <br /> Dear Ms. Miley ; <br /> This letter describes the proposed soil 5ckmpling for <br /> the scheduled tank pull for the Fast Gas Station <br /> looatod at 800 East: Highway 1'W in. Lodi , �:alifornia . <br /> A representative from Du Font Biosystems will be <br /> on-site during the tank pull to obsecvr, the :antis <br /> for signs of possible leakage and collect samples <br /> of the soils underlying the tank% for chem:c,al <br /> analyses. The condition of each will be observed <br /> after the tank is removed from the pit, and plac.*,d <br /> on the ground surfaos. <br /> Two soil samples will be collected from billow eamar, <br /> tank excavated. Samples will be retained in Fred, <br /> washed 2 1,2-inch K 6- inch brasa tubas, lab8 lad, <br /> covered with aluminum foil , capped witrr polyetn;, sene <br /> lids, sealed with adhesive tape, and placed on ice, <br /> The samples will be delivered to Trace Analysis Lab- <br /> oratory is California certified laborator•y-i in Hayw;�rd , <br /> California and analyzed for total petroleum hydrG- <br /> carbons a<E9 gasoline, benzene, etmyIbanwene, tcivr s2, <br /> and xylenes. The results of the soil chemical arI& I V se ss <br /> along with the chain-of -custody' records will t;a <br /> included in s. summary report iollowing r0cs'pt Cit the <br /> chemical analy'tioal rasuits:. <br /> Respeotfully, <br /> DU P B10SYSTEMS <br /> George Reid <br /> certified Engineering geologist <br /> 7068 Koll Center ParkNay, Suits 401 ■ Pleasanton, Californla 94566 415■462■7772 ■ 800■468■2122 FA(X�(■ 415.462■7944 <br /> 50OW, i3trttort's Mill Road, Suite 102 ■ Astor, pennsylvanla 18014 ■ 215■a97■5800 ■ 800"548- 1 954• .l s' <br />