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Table B-2: Historical Groundwater Measurements and Analytical Results
<br /> DEPTH TO GROUNDWATER
<br /> SAMPLE DATE GROUNDWATER ELEVATION ETHYL
<br /> LOCATION SAMPLED (Feet bee) (Feet.1) TPH.K TPH.M0 TPH-D TPH-G BENZENE TOLUENE BENZENE NYLENES MTBE DIPE ME TAME TEA I:-DCA EDB N.phihalene
<br /> With well so 151vV 80216/ 8021 B/ 802IB/ 802IB/
<br /> etein6elevation EPA Method * 8015M 8015M 8015M 8260B 8260B 8260B 8260E S260B 8260E 8260B 8260B 8260B 8260B 8260E 8260B 8260E
<br /> (Feet.1) Woo, None None 100 µg/L' 5 µg/L' 1 0 gg/L 150 ge,/L 300 µg/L 1,750 µg/L 13 µS/L None IN... None 12 98/1,- 0.5 µg/L 0.05 µg/L 17 VWL
<br /> MW-6 12/04/07 41.50 '278 NA NA NA *' 128 0.5 0.5 0.5 1.0 OS OS 0.5 =05 -
<br /> 05 < 0.5 NA
<br /> 03/31/09 3975 -1_I03 NA NA NA 106 3.8 0.5 0.5 Lo 05 < 0.5 OS 05 05 NA
<br /> 06/09/08 3972 .21.W NA NA NA 83.6 3.2 0.5 05 lu 05 05 0.5 05 05 NA
<br /> 09/05/08 4058 .21.86 NA NA NA 169 0.5 0.5 05 1.0 05 05 0.5 05 05 NA
<br /> 11/20/08 4146 .22.94 NA NA NA 71.5 1.9 = 0.5 05 1.0 0.5 05 0.5 - 05 05 NA
<br /> 02/24/09 41.03 2?31 NA NA NA 658 - 01 0S 05 < 1.0 0.5 05 < 0.5 - OS 0 5 NA
<br /> 05/13/09 40.65 2193 N07'SAMPLED-WELL SAMPLED ANNUALLY
<br /> 10/20/09 42.35 23.63 NOTSAMPLED-WELL SAMPLEDANNUALLY
<br /> 05/14/10 40,61 -21,89 NA NA NA 50 < 05 - 0.5 0.5 L0 < 0.5 NA NA NA NA NA NA NA
<br /> 04/29A1 3845 -1973 NA NA NA 50 0.5 < 0.5 0.5 1.0 NA NA NA
<br /> 06/17/11 37.89 49.17 NA NA NA 50 - 0.5 0.5 0.5 < 1,0 < 0.5 NA NA NA NA NA NA NA
<br /> 11/03/11 37.65 -18,93 NO•/'SAMPLED.WELL SAMPLEDANNUALLY
<br /> 04/17/12 36.72 .18.00 NA NA NA " 50 < 0.5 0.5 --0.5 1- 1.0 1'- 0.5 1 NA NA NA NA NA NA NA
<br /> 09/28/12 3688 48.16 NOTSAMPLED-WELL SAMPLEDANNUALLY
<br /> 03/20/13 35.80 -17.08 NA NA NA = 50 0S 0.5 < 0.5 1 1,0 0.5 1 NA NA NA NA NA NA NA
<br /> 12/09/13 3699 -1827 NU7'S'AMJ'L1iD-WELL SAMPLEDANNUALLY
<br /> 04/04/14 36,33 -17.61 NA NA NA = 50 - 0.5 < 0.5 0.5 1.0 < 0.5 NA NA NA NA NA NA NA
<br /> 11/07/14 38.11 -19.39 NOTSAMPLED.WELLSAMPLEDANNUALLY
<br /> 05/15/15 3]68 -18.96 NA NA NA - 50 05 0.5 0,5 k1.0 0.5 1 NA NA NA NA NA NA NA
<br /> 11/16/15 4 221 2150 N07'SAMPLED-WELL SAMPLEDANNUALLY
<br /> 05/31/16 3923 20.51 NA NA NA 50 0S 0.5 0.5 1 10 1 0.5 1 NA NA NA NA NA NA <I.0
<br /> 1D29/16 4106 -22,34 NO7'SAMPLED.WELL SAMPLED ANNUALLY
<br /> 05/30/17 35.84 -17.12 700 NA <00 J Il 0.50 0.50 -0 so 1 1.0 1< 0,50 1 NA NA NA NA < 0,50 NA <0 50
<br /> 1IC9/17 35.18 -16,46 NOT SAMPLED-WELL SAMPLED ANNUALLY
<br /> 2064 05/17/18 32.94 -12.30 <00 NA <m 50 < 0,50 - 050 -0.50 " 1.0 '= 0.50 NA NA NA NA 050 NA <0,50
<br /> 10/26/I8 32.78 42.14 <00 NA <00 < 50 0.50 < 0,50 0.50 1.0 0.50 NA NA NA NA 0.50 050 <0.50
<br /> 05/10/19 29.07 443 <200 NA <W 50 0.50 050 0.50 Lo OSO NA NA NA NA 0,50 0,50 <0.50
<br /> 0&13/19 1 29.47 483 <200 NA <W 50 - 0,50 050 0.50 Lo 0.50 NA NA NA NA 0.50 0.50 <0.50
<br /> 11/14/19 28.67 403 <00 NA <00 " 50 0.50 0,50 0.50 1.0 0.50 NA NA NA NA 0.50 < 0.50 10.50
<br /> 02/2420 27.98 -7.34 <00 NA <00 50 0,50 0.50 0.50 1.0 0.50 NA NA NA NA 0.50 - 0.50 <0.50
<br /> 05/26PO 2763 -6.99 <00 NA <00 50 050 -- 050 '0.50 I.0 - 0,50 NA NA NA NA 050 < 050 <0.50
<br /> 08/12/20 2825 -761 <200 NA <00 50 0.50 0.50 0.50 10 0.50 < 0,50 < 0.50 0.50 10 = 050 - 0.50 <0.50
<br /> 11/23/20 29.22 .8,58 <00 NA <00 J 7.4 050 050 0.50 1.0 0.50 < 0.50 0,50 050 < 10 0.50 0.50 <0.50
<br /> OVIMI 28.77 -8.13 <00 NA <00 - 50 1 0.50 050 . 0.50 10 0.50 < 0,50 z 0.50 050 10 0.50 OM <0.50
<br /> 05/19/21 2906 4 42 <00 NA <00 J 8.0 J 026 1 0.32 IJ 0.17 1 0.63 0.50 < 0.50 0.50 050 10 0,50 050 1 <050
<br /> 08/20/11 30.14 -9,50 <00 NA <200 J 13 0.50 0,50 0.50 a 1.0 - 0.50 < 0.50 1 0.50 - 0,50 1 10 0,50 < 0.50 <0.50
<br /> 11123/21 30.33 -9,69 <00 NA <00 - 50 0,50 0.50 0.50 1 1.0 0.50 < 050 0.50 050 1 10 - 0,50 050 <0.50
<br /> 03/0912-1 29.79 -9,15 <00 NA <200 50 0,50 050 0.50 1 0 0.50 < 0.50 0.50 < 0.50 10 050 0.50 <0.50
<br /> 05/19/22 30,15 -951 <00 NA <00 50 0.50 0.50 0.50 lu 0.50 < 0,50 0.50 050 10 0.50 - 050 <0,50
<br /> 09/08/22 31.38 -1074 <200 NA 200 50 - 0.50 - 0.50 - 0,50 1.0 0.50 < 0.50 050 050 10 0.50 0,50 <0.50
<br /> MW-7 03/23/05 4643 --28,38 NA NA NA 50 05 0.5 0.5 1.0 0.7 0.5 < 0.5 < 0.5 a 5.0 0.5 NA NA
<br /> 18,05 06/29/05 44,95 -26,90 NA NA NA S0 = 0S < OS -05 + 1.0 0.5 0.5 < 0.5 0.5 5,0 NA NA NA
<br /> 09/21/05 45.85 27.80 NA NA NA " 50 < 0.5 0.5 0.5 < lu < 0.5 05 0.5 05 < 5.0 NA NA NA
<br /> IV20105 4662 2857 NA NA NA 50 0.5 05 OS < LO < 0.5 0.5 0.5 O'S - 5.0 0.5 05 NA
<br /> 03/1 SIM 4IA5 Q6.40 NA NA NA 50 0.5 0.5 0.5 1.0 0.5 -- 05 0.5 0.5 5.0 05 + 0.5 NA
<br /> 06/21/06 4143 --'_3.38 NA NA NA 50 0.5 O5 < 0.5 + IO - 0.5 05 0.5 0.5 5.0 - 0.5 0.5 NA
<br /> X\PMjecM000_Prj\5960 SJC UST RFQ\5960C County of San Joaquin-SJC Public Works\596OC12\596OC12A GW Monitoring0ataN5960C12 2022Q3 Motor Pool Historical Data.AUTable B-2 Histoilml Data 8 of 11
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