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Groundwater Monitoring and Analytical Data Ranch Markel 23569 South Santa Fe Road Rrverttank California Welt No Ethyl EPA method 8266 8 Elevation Date Benzene Toluene benzene Xylenes TPli MTBE TBA DIPS ETBE TAME 12-DCA EDB bTY4'" SPT WTE (FOC' ) ( } pg1L} /L) (poll) N L} ( gtL) N N ) p ) to (ft) ft DW 3 Cont l0f01M2 — — — — — — 01/10/03 - - - - - - - - - - - 04101/03 <0 50 '050 <0 50 <O 50 <50 b <0 50 <20 <0 50 <0 50 <0 50 <0 50 <0 50 — 07102/03 --- — — — — — — — 10102/03 <0,50 <0 50 <0 5C <0 50 <50 a <0 50 <100 <0 50 <0 50 <0 50 — — — 01109104 <0 50 <0 50 <0 50 <0 50 <50 b <0 50 40 <0 50 <050 <0 50 <D 50 <0 50 — — — 041081D4 <050 <0 50 <0 50 <1 0 <50 b <0 50 <20 <0 50 <0 50 <050 <050 <050 — — — 071011D4 <0 50 <0,50 <0 50 <0 50 <50 b <0 50 <20 <0 50 <0 50 <0 50 <050 <0 5C 10115104 <0 50 <0 50 <0 50 <1 0 <50 b _<_0 5_0 __<_10 <0 50 <O 50 <050 <0 50 <0 50 — — — li 10107/99 — —— — —— — -- ——--— ——— — a <1 0 <10 <10 <1 0 _ <1 0 _— — — — - - 12125199 <0 3 <03 <D3 <0 3 <50 a <5 <20 <5 <5 <5 <5 <5 — — — 04M6100 <050 <0 50 <0 50 <0 50 <w b <0 50 <5 0 <0 50 -050 <0 50 <0 5C <0 50 — — — 08116/00 <0 50 <D50 <0 50 <0 50 <50 b <0 50 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 — — — 11116100 <0 s0 <0 50 <0 50 <0 50 <50 b <050 <5 0 <0 50 <050 <0 50 <0 50 <O 50 01 M3101 <D 50 <050 <0 50 <0 50 <50 b <D50 <50 -050 <O 50 <0 50 <0 50 <0 50 — — — 041111Dl <0 50 <0 50 <0 50 <0 50 <50 b <050 <5 D <0 50 <060 <0 50 <0 50 <0 50 — — — 07103l01 <D50 <050 <0 50 <0 5D <50 b 11 <50 <0 50 <0 50 <0 50 <0 50 <0 50 — — 08101/01 '050 <0 50 <0 50 <0 5D <50 b <0 50 — — — — — — — — — 10101/01 <050 -050 <0 50 <0 50 -50 b <0 50 <50 <050 <0 50 <0 50 <0 50 <0 50 — — 01/03M2 '050 <0 5D <050 <0 50 <50 b <0 50 <50 <0 50 <0 50 <0 50 '050 <0 50 04/05102 <O 5D <0 50 <D 50 <D 50 <50 b <O 51) <50 <050 <0 50 <0 50 <0 50 <0 50 — — 07/12/02 <0 5D <0 50 <0 50 -050 <50 b <0 50 <5 0 <D50 <0 50 <0 50 <0 50 <0 50 — — 10/01/02 <0 50 <0 5C <0 50 <O 50 <50 b <0 50 <50 <0 50 <0 50 <0 50 <0 50 <050 — — — 01/10/03 <0 50 <0 50 <0 50 <0 50 <50 b <0 5D <50 <0 50 <0 50 <0 50 <O 50 '050 -- 04101/03 <O 50 <O 50 <0 50 <0 50 <50 b -050 <20 <050 <0 56 <0 50 <0 50 <0 50 — — 07102103 <0 501 <0 501 <D 50 '0501 <50 b <0 5C I <0 501 <O 501 <0 501 <0 501 <0 501 <0 50 — — — 10102103 No sample Well not accessabie 01109/04 No sampte Weil not accessabfe — — — 04108/04 <0 50 <0 50 <0 50 <1'0 10 <50 b <0 50 <20 10501 <0 50 <O 50 <0 50 -060 07101/04 <0 50 <0 50 <0 50 <0 50 <50 b <0 50 <20 <0 50 <0 50 <50 <0 50 <0 50 — — — 10115104 <0 50 <0 50 <0 50 <S 0 <50 b <0 50 <10 <0 50 <0 50 <O 50 <0 50 <0 50 —Explanation TOG TOG =Top of Casing elevation In feet above mean sea level TPH G=Total petroleum hydrocarbons as-gasoline =Free floating product present No groundwater sample was collected MTBE=Methyl tart butyl ether =Feet below top of Casing measured from the northerly side TBA=ter!Butanol Ng1L=Micrograms per liter DIPE=Dilsbpropyl Ether --=Not sampled/not analyzedfnat measured ETBE=Ethyl-tert butyl Ether DTW=Depth to water TAME=tort Amy4 Methyl Ether SPT=Separate phase thickness 12 DCA=12 Dichlomethane WTE=Water table elevation EDB=1 2 Dibromcethane a=analyzed for TPHg and VEX using EPA methods 8020/8015 b=analyzed for 8TEX&Oxygenates using EPA method 82606 c=Grab water sample Collected d=Well resampled to confirm presence of toluene reported m first water sample collected after well Instalatlon e=Analyzed for Nitrate/Nitnte using EPA method 300 0 OW 1(08111100)Nitrate as NO3=78 600 ug/L and Nitrate as nitrogen=<400 ug7L OW 2(09121100)Nitrate as NO3=60 200 ug/L and Nitrate as nitrogen=13 600 ug7L OW 2R{01108!01)Nitrate as NO3=1 000 ug/L and Nitrate as ndtrogen=<400 ug/L f=Matrix 5pike/Matnx Spike Duplicate Results associated with samples MW 1 through MW-0 MW 7 &DW 3 for the analyte TBA wer6 affected by the analyte concentrations already present In the uns Iked sample GW data 30-04 As 1 GW Hydro&Depth 9 of 9 12130/2004