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S E M C 0 <br /> James C. Date4oan Petrr-•leufn Ser_ices Inc. <br /> 4'31 Leat Flatch Egad, Modesto, t,A 45351 <br /> General Engineering Building Contractor <br /> L_icens:e No. 4=a9F364 A, E{. C--61 <br /> (209) 5224-9653 <br /> July 26, 1989 <br /> i, �e <br /> 1 ... Q <br /> R. ,^ Darlene ROUSa - <br /> Environmental Health <br /> P.O. Ho;, 2009 <br /> Stockton, Ca 95POI <br /> RE: Report and conclusions of re ev.ea :aLion at rranzia <br /> Winery. 17000 E. Hwy 120, Ripon California. <br /> Re-excavation. was started of April 11., 1989. LEL levels were <br /> taken;,whaie excavating .in order to determine the ettont and <br /> direction, of contamlriaticn: up to the :bct,andar:ies of t�e':re- <br /> excavation <br /> e-excavation plan filed with .San JoaquinCounty. � r� `b}C <br /> This phase was completed cn April 13, 19x9, and samples were <br /> (� �y <br /> taken. R total of b were taken by California Water Labs andS <br /> -" analyzed. Please refer to the site map for location and lab <br /> number. <br /> ' Major coritaminatiDn. ..still exists at the end of the re- <br /> excavation in the'east"wall towards the ncrth (laboratory <br /> sample #P79119) , with the following contaminates found. <br /> FPB <br /> DEN2ENE ND <br /> TOLUENE 4,100 <br /> XYLENE. 470,C100 <br /> ETHYL. ErENZENE 34,000 <br /> GASOLINE 2 000,000 <br /> The west wall sample towards the south was nc,n detectable for <br /> DTX ",• E, (laboratory sample_ #P--79118) . <br /> Among the floor hales at a depth cif 2S feet, only sample <br /> (#P••79117) was above limits for- drir:king water. The results <br /> are: <br /> PPB PPB-S?:1TE LYMIT IN gFR1E }.LN, WATER <br /> -- -- ---- ---- --— 9EN�ENE 320 .- ----— ---5_ <br /> TOLUENE 1400 2000 <br /> XYLENE 1300 1750 <br />