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!� M M <br /> M r T M r M <br /> E1 <br /> Groundwater Monitoring and Analytical Data <br /> Ranch Markel <br /> 23559 South Santa Fe Road <br /> Riverbank California <br /> Well No 1 Ethyl EPA method 8266 B <br /> Elevation Date Benzene Toluene benzene Xylenes TPH G MTBE 78A RIPE ETBf I TAME 12 DCA EDB <br /> " DTV' SPT WTE <br /> (TOC ( ) (pg1L) (pg1L) (pg1L) ( 1L (p9lL) {p91L) (p91L) (pg1L} {ugll-) ( 1L) (pg14} (R} (8] (ftJ <br /> DW 3 Cont 01/10103 – – – – <br /> 04101103 <0 50 <0 50 <0 50 <0 50 <50 b <0 50 <20 -050 <0 50 <0 50 <0 50 <0 50 – – – <br /> 07102103 — — – – – – – – – <br /> 10/02103 -050 <0 50 -050 <0 50 <50 a <0 50 <100 <0 50 <0 50 <0 50 — – – – – <br /> 01/09104 <0 SO -050 <0 50 <0 50 <50 b <0 50 <20 <0 50 <0 50 <0 50 <0 50 -050 – – – <br /> DW4 10/07/99 – -- a <10 <10 <10 <10 <10 – -- -- <br /> 12/25199 <0 3 <03 <0 3 <0 3 <50 a <5 <20 <5 <5 <5 <5 <5 – – – <br /> 04/06100 <0 50 <0 50 <0 50 <0 50 <50 b <0 50 <5 0 <0 50 4050 <0 50 <0 50 <0 50 – <br /> W16100 -050 <0 50 <0 50 <0 50 <50 b <0 50 <5 0 <0 50 <0 50 <0 50 <0 50 <0 SO – – – <br /> 11/16100 <0 50 <0 50 <0 50 -050 <50 b <0 50 <5 0 <050 <0 50 <0 50 <0 50 <0 50 – – <br /> 01103101 <050 <0 50 <0 50 <0 50 <50 b <0 50 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 – <br /> 04111/01 <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 /> 07103f01 -050 <0 50 <0 50 <0 50 <50 b 11 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 » <br /> 0811 <060 <0 50 <0 50 <0 50 <50 b <050 – – – – – <br /> 10101101 <0 50 <0 50 <050 <0 50 <50 b <O 50 <5 0 -050 <0 50 <0 50 <0 50 <0 50 – – – <br /> 01103102 <O 50 <0 50 <050 <0 50 -50 b <050 <5 0 <050 <0 50 <0 50 <0 50 e0 50 – – – <br /> 04105102 <0 50 <0 50 <0 50 <0 50 <50 b <0 50 <5 0 <0 50 <0 50 -050 <0 50 -050 – – – <br /> 07112102 '050 -050 <0 50 <0 50 <50 b <0 50 <5 0 <0 50 -050 <0 50 -050 <0 50 – – <br /> 10101/02 <0 50 <0 50 <050 <O 50 X50 b <0 50 <S 0 <0 50 <0 50 <0 50 <0 50 <0 50 – – – <br /> 01110!03 <0 50 <0 50 <0 50 <0 50 <50 b <0 50 <5 0 <0 50 <0 50 <0 50 <0 50 -050 – – <br /> 04101/03 <0 50 <Q SO <0 50 <0 50 <50 b <0 50 <20 <0 50 <0 50 <0 50 <0 50 <0 50 – – – <br /> 071Q2103 <0 50 <G50 <050 <0 50 50 b <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 – – <br /> 10102103 No sample Well not accessable <br /> 01109104 No sample Well not accessable <br /> Exolanaticn <br /> TOC =Top of Casing elevation in feet above mean sea level TPH G=Total petroleum hydrocarbons as-gasoline <br /> =Free floating product present No groundwater sample was collected MTBE=Methyl tort butyl ether <br /> =Feel below top of casing measured from the northerly We TBA=tort Butanol <br /> pg1L=Micrograms per liter DIPE=Dusopropyl Ether <br /> =Not sampledfnot analyzedlnot measured ETRE=Ethyl tori butyl Ether <br /> OTW=Depth to water TAME=tert Amyl Methyl Ether <br /> SPT-Separate phase thickness 1 2 DCA=12 Dichloroethane <br /> WTE=Water table elevation EDB=1 2 Dibromoelhane <br /> a=analyzed for TPHg and BTEX using EPA methods 802016015 <br /> b=analyzed for BTEX&Oxygenates using EPA method 6260B <br /> c=Grab water sample collected <br /> d=Welf resampled to confirm presence of toluene reported in first water sample collected after well installation <br /> e=Analyzed for NitratelNitnte using EPA method 300 0 OW 1(06111100)Nitrate as NO3=78 6DO ug1L and Nitrate as nitrogen=<400 uglL <br /> OW 2(09/21100)Nitrate as NO3=60 200 ug1L and Nitrate as nitrogen=13 600 ug1L <br /> DW 2R(0110B101)Nitrate as NO3=1 000 ug1L and Nitrate as nitrogen=<400 ug1L <br /> f=Matrix SpikelMalnx Spike Duplicate Results associated with samples MW 1 through MW-4 MW 7 &DW 3 for the analyte TBA <br /> were affected by the analyte concentrations already present in the unspiked sam ie <br /> GW data 1 Q 04 xis 1 GW Hydro&Depth 8 Of 8 1!20!2004 <br />