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GENE INTERNATIONAL 5 913305 P. 01 <br /> 0 <br /> Jahn P. Cummings & Associates <br /> Environmental Consultants <br /> Pii:(1#01.505-0722 P.O. Rnx :)847 <br /> Fax�5l0) 791-3308 E C E I V E D3� Fremont, CA 84538.2847 <br /> File No. 0293020. 01 SEP 2 0 1993 <br /> . September 17, 1993 ENVIRONMENTAL HEALT <br /> Mr. Mike Infurna PERMIT/SERVICES <br /> San Joaquin County 1023 <br /> Environmental Health Divisionlf <br /> 445 N. San Joaquin Street <br /> P 0 BOK 2009 <br /> Stockton, CA 95201 SEP ®1993 <br /> Re: Hess-Dubois Site ENVIRONMENTALHEALTH <br /> 348 W. Harding Way, Stockton, CA PERMIT/SERVICES <br /> Dear Mr. Infurna: <br /> At the request of Mr. Wallace, John P. Cummings and Associates <br /> (JPCA) prepared the attached workplan, which is based on a review <br /> of the site conditions and available data for the site, to further <br /> characterization this site. <br /> Eight UST were removed from .this site by Falcon Energy on January <br /> 25 and 29, 1991. The tanks contained StoddardAdAv�,rij <br /> ppoin the <br /> dry cleaning process. Seven UST were it d*dVAd ',; 'q brie . large <br /> exueavation and one UST from another smaller ox'ypvationTfid UST <br /> removed from the umallar excavation was reporte&tla be i cxaoliont <br /> condition. The other seven were reported, hit �:�t-erW9rk Corp. , to <br /> be in poor condition. <br /> seven soil samples were collected at depths ranging from <br /> approximately 9 ft to 24 ft in the large excavation. Two soil <br /> samples were collected from the smaller pit. All samples were <br /> analyzed for total petroleum hydrocarbons (TPH) and Benzene, <br /> Toluene, Ethyl.benzene and Xylene (BTEX) . TPH concentrations <br /> ranged from 97P to 3.000 parts per aftl;liQn,-'( ) Jn samples from <br /> Tank Pit 1. Soil from Tank Pit 2}.'had no .detectdbIs results. <br /> Tank pit i soil wns reiuov44 during 4" fTMT_;,Iemoval and lator <br /> replaced in the pit without remiata�� ;Tnk Pit 2 sail was <br /> removed put back into the pit. '�°' � <br /> If you have any questions, please contact me at (510) 505-0722 . <br /> Sincerely, <br /> JoKncip;al <br /> gs, REA, EP, PhD <br /> pr <br />