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Table 2 <br /> Historical Groundwater Monitoring and Analytical Data <br /> Ranch Market <br /> 23569 South Santa Fe Road <br /> Riverbank California <br /> MAN= " Y r & EPX,methad 82%B <br /> G MTBE i � Y1TPE�z�ETBA fiAME_ 1 S2 I [ IT.EDB <br /> Wtay d Z M k d l Ay{d -x••-• _}{I; <br /> I <br /> Domestic Wells <br /> W-1 <br /> 01/23/98 <3 0 <3 0 <3 0 <3 0 <50 a ND ND ND ND ND -- -- — <br /> 12/25/99 <03 <0 3 <0 3 <0 3 <50 a <5 <20 <5 <5 <5 <5 <5 — <br /> 04/06/00 <0 50 <0 50 <0 50 <0 50 <50 b -- <0 50 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 - <br /> DW-2 <br /> 10/07/99 -- — - a -- 38 <10 <10 <10 <10 -- -- - - <br /> 11/03/99 -- — a -- 58 -- -- -- - - <br /> 12/25/99 <0 3 <0 3 <0 3 <0 3 <50 a 11 <20 <5 <5 <5 <5 <5 -- - <br /> 04l06100 <0 50 <0 50 <0 50 077 <50 b,c 70 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 2715 <br /> W-3 <br /> 10/07/99 — -- -- — -- a - <10 <10 <10 <l0 <10 -- -- -- — <br /> 12125l99 <03 <0 3 <0 3 <0 3 <50 a <5 <20 <5 <5 <5 <5 <5 <br /> 04/06/00 <0 50 <0 50 <0 50 <0 50 <50 b <0 50 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 — <br /> W-4 <br /> 10/07/99 — -- — -- -- a <10 <10 <10 <10 <10 -- - — <br /> 12/25/99 <0 3 <0 3 <0 3 <03 <50 a <5 <20 <5 <5 <5 <5 <5 .. _. <br /> 04/06/00 <0 50 <0 50 <0 50 <0 50 <50 b <0 50 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 -- -- <br /> EXPLANATION Page <br /> TOC*=Top of Casing elevation in feet above mean sea level TPH-G=Total petroleum hydrocarbons-as-gasoline <br /> '•=Feet below top of casing measured from the northerly side MTBE=Mcthyl-tert-butyl-ether <br /> pg/L=Micrograms per liter TBA=tert-Butanol <br /> --=Not sampled/not analyzed/not measured DIPE=Di-isopropyl Ether <br /> DTW=Depth to water ETBE=Ethyl-tert-butyl Ether <br /> SPT=Separate-phase thickness TAME=ten-Amylmethyl Ether <br /> WTE=Water table elevation 1,2-DCA=1,2-Dichloroethane <br /> a=analyzed for TPHg,BTEX EPA methods 8020/815 EDB=1,2-DEbromoethane <br /> b=analyzed for TPHg,BTEX,&Oxygenates using EPA method 8260B <br /> c=No purge water sample bailed from well <br /> Re Rival nMTWesM 2 00 xls <br />