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STATE OF CALIFORNIA--BUSINESS,AWNSPORTATION AND HOUSING AGENCY T PETE WILSON, Govemor <br /> DEPARTMENT OF TRANSPORTATION � <br /> P.O.SOX 2048(1976 E.CHARTER WAY) <br /> STOCKTON,CA 95201 a <br /> TDD 209-948-7773 +. <br /> (209)948-7873 <br /> j <br /> r _ <br /> r <br /> April 4, 1994 <br /> F <br /> Mr. Michael M. Collins <br /> Public Health Services <br /> San Joaquin County <br /> Environmental Health Division <br /> 445 N.Saiti Joaquin Street <br /> Stockton,CA.95201-2009 <br /> i <br /> RE: Groundwater Monitoring of Caltrans-Shop 10,Stockton,CA 9 <br /> t <br /> I� <br /> Dear Mr.:Collins: <br /> This letter is in reference to our telephone conversation of March 28,1994. The Shop 10 project <br /> is gradually taking shape. By the end of April 1994 we plan to sample, analyze and send the <br /> groundwater results to you. We will,also,properly abandon the monitoring wells,1-8 and 10 <br /> which have either dried up or have very little water in them. The rest(monitoring well#9, 11, <br /> 12,13,14,.16,19,20 and 24)will be saved for future groundwater moMtoring['and soil and ground- <br /> water remedial work. These wells will be lowered five (5)feet below the present ground <br /> f'Surface to,preserve these wells during the lowering and regrading of the yard. <br /> A 15x15x4 feet area around borehole SB-17 will be excavated,soil'sampled and tested for TPH- <br /> D and properly disposed of. <br /> ii <br /> If you',have any questions,please do not hesitate to call me at the�pabove'noted telephone <br /> number. f 1 <br /> Sincerely, <br /> �! r <br /> �, ISFkFFr <br /> sA><YEn ALI . <br /> Hazardous Waste Coordinator <br /> 'i Id <br />