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:)4uu- bub raciix Avenue - - J 1WyMiluCl Zvv4 <br /> Stockton, Sari Joaquin County <br /> The MW 1 Report recommends performing additional well redevelopment w7th a lttgher capacity pump and <br /> additional scrubbing of the well casing, and conducting an evaluation of the volume of the oil-based sealant <br /> released into MW-1, to determine the;mpact to groundwater <br /> The Workplan is approved as written I also concur to the MW-I Report recommendation to perform a second <br /> attempt to redevelop MW-1. I suggest that you use a down-bore camera to video the condition of MW-1, in order <br /> to guide your efforts to clean the well and quantify the remaining amount of oil-based sealant, and resample for <br /> TPHmo. i <br /> Please procure the appropriate dnlling permits and give San Joaquin County Environmental Health Department 'I <br /> and myself at least 3 working days notice prior to commencement of fieldwork. Provide a report of the work as <br /> an attachment in the next quarterly monitoring report. <br /> You may call me at(916)464-461 S for questions or additional informanon I <br /> I <br /> JAMES L.BARTON,R G <br /> Engineering Geologist <br /> cc, Mr.Mark Owens,UST Cleanup Fund, SWRCB, Sacramento <br /> Mr.Mike Infixraa, San Joaquin County Environmental Health Division, Stockton- <br /> Ms All Tracy,Esq , UNOCAL, Brea <br /> Mr Ben Ilemngburg, ENSR International, Sacramento <br /> Mr yGary Hall, GHH Engineering, Inc , Auburn,CA I <br /> TOTAL P.03 <br />