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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 bp) (Feet mJ) TPH-E TPH-MO TPH-D TPH-G BENZENE TOLUENE BENZENE XYLENES MTBE DIPE ETBE TAME I TBA 12-DCA EDB NnPMhaleee
<br /> With well 8015M/ 1121W 8021B/ 8021B/ 80218/
<br /> cuing elevation EPA MMhod-� 8015M S015M 8015M 8260B 8260E 8160B 8160B 82606 82606 8160B 8260E 81_60B 81606 82606 8260B 8260B
<br /> (Feet..) WQO None None 100 µg/L 5 µg/L 1 1.0 µg/L 150 µg/L 300 µg/l, 1,750 µg/L 13 µg/L None None None 12 PS/C 0.5 µg/L 0,05 µg/L 17 µgIL
<br /> MW.5 W/29/11 39.17 -1966 NA NA NA 1 50 0.5 0.5 0.5 < 1.1 < 0.5 NA NA NA NA NA NA NA
<br /> 11/03/11 3846 -1895 NOTSAMPLED-WELL SAMPLED RI-ANNUALLY
<br /> OV17/12 37.46 -1795 NOTSAMPLED-WF,LLSAMPLEDR/-ANNUALLY
<br /> 09/28/12 37.72 .18,21 NOTSAMPLEDJ WLLL SAMPLEDB/-ANNUALLY
<br /> 03/20/13 36.57 717.06 NA NA NA j < 50 < 0.5 = 0.5 1,0.5 1.0 1 0.5 1 NA NA NA NA NA NA NA
<br /> 12/09/13 3736 .18.25 NOTSAMPLED-WELL SAMI'1.17)SI.ANNUALLY
<br /> 04/04/14 37.04 -17,53 NOT SAMPLED-WELL SAMPLED BI-ANNUALLY
<br /> 11/07/14 38.84 -19.33 No WELL SAMPLED RI-ANNUALLY
<br /> 05/15/IS 3942 .1891 NA NA NA < 50 - 05 0.5 0.5 1 L0 1 0.5 1 NA NA NA NA NA NA NA
<br /> II/IIA15 4082 -2131 NOTGIMPLED-WELL SAMPLED BL-ANNUALLY
<br /> 05/31/16 39.86 2035 NA NA NA < 50 < 0.5 < 0.5 <0.5 1, 10 < 0.5 NA NA NA NA NA NA <1,0
<br /> 1129/16 4171 2220 NOTSAMPLED.WELL SAMPLED ANNUALLY
<br /> 05/30/17 36.52 -17.01 <200 NA COO J 17 1 0.50 < 0.50 1<0.50 1< 1.0 1= 0.50 1 NA NA NA NA O50 NA 10,50
<br /> IIC9/17 36.02 -16.51 NOTSAMPLED-WELL SAMPLED ANNUALLY
<br /> 21.42 05/16/I8 33.72 -12.30 <00 NA <00 J 12 0.50 < 0,50 c om 1,0 = 0.50 NA NA NA NA OSO NA <0,50
<br /> 10/26/18 33.61 -12,19 <200 NA <200 50 0.50 < 0.50 <0.50 " I0 0.50 NA NA NA NA 0,50 0.50 1050
<br /> 05/09/19 29.76 434 <00 NA <200 J 13 0.50 < 0.50 <0.50 - 1.0 0.50 NA NA NA NA 0.50 0.50 <0.50
<br /> 09/13/19 29.27 -7.85 <200 NA <00 -, 50 0.50 < 0.50 <0.50 Lo 0.50 NA NA NA NA = 0.50 < 0.50 <0.50
<br /> 11/14/19 29.50 -8,08 1200 NA <00 J8.8 0,50 < 0.50 <050 lu 0.50 NA NA NA NA < 0,50 050 <050
<br /> 02/24/10 2876 -7.34 <00 NA <00 J 7.2 0,50 < 0,50 <0.50 -- 1.0 < 0.50 NA NA NA NA 050 0.50 <050
<br /> 05/26/10 28.40 -6,98 <00 NA <00 <50 0.50 < 0.50 <0.50 = 10 = 0.50 NA NA NA NA 050 0.50 <0 so
<br /> 08/1mo 29.07 -7.65 <00 NA <200 J 8.5 0.50 < 050 <0.50 1.0 0.50 - 0.50 - 0,50 0.50 - 10 050 050 <0.so
<br /> 11/2=0 2997 .8.55 <00 NA <00 J 7.7 050 < 0.50 <0,so 1.0 - 0.50 I< 0.50 ' 0.50 - 0,50 10 050 < 0.50 <0.50
<br /> On7/21 29.49 -8.07 <00 NA 200 J7.9 0.50 < 0.50 10.50 < 1.0 0,50 050 0.50 0,50 10 - 050 0.50 <0,50
<br /> 05/19/21 29.85 -8.43 <00 NA <00 J 13 0.64 0.61 IJ 0,34 1.2 0.50 0,50 - 0.50 1 050 - 10 - 0.50 - 0.50 30
<br /> 08/20121 30.94 -9.52 <00 NA <100 J12 050 10.14 10.50 1.0 0.50 0.50 0.50 050 10 < 050 0.50 <0.50
<br /> 11/13111 31.12 -9.70 <00 NA <00 50 0,50 < 0.50 <0,50 - 1.0 0.50 0.50 - 030 050 10 - 0.50 050 <0.50
<br /> 03/09P22 30.58 416 <00 NA <00 50 0,50 < 0.50 <0,50 1.0 - 0,50 0,50 - OSO 0.50 10 < 0.50 0.50 <0.50
<br /> 05/I8/1? 30.94 .9.52 <50 NA <50 50 0.50 < 0.50 <0,50 - 1.0 050 0.50 < 050 0.50 10 050 - 0.50 <0.50
<br /> 09/07r2 32.22 -10,80 1200 NA <200 50 0,50 < 0.50 <0.50 1.0 < 0,50 - 0.50 050 0.50 10 0.50 - 0.50 J 049
<br /> MW4 12/19/03 48A7 29,45 NA NA NA 7.800 2.100 50 < 50 820 = 5 5 5 5 50 5 NA NA
<br /> 18,72 03/24/04 46.77 .2905 NA NA NA 9,300 1"600 20 20 540 < 0.5 0.5 0.5 0.5 50 1 0.5 NA NA
<br /> 0N09104 4(1.90 28.18 NA NA NA S.600 00 ' 20 -20 81 0.5 1 0.5 05 0.5 5.0 05 NA I NA
<br /> 09/23IN 48A1 29.39 NA NA NA 3."0 ISO 10 10 29 < 5.0 5o 5.0 5.0 50 S.0 NA NA
<br /> 12/29/04 4865 -2993 NA NA NA 3.800 40 < 10 10 =20 - 0.5 0.5 0.5 0.5 5.0 OS NA NA
<br /> 03/23/05 47.50 28,78 NA NA NA 1.400 16 - 0.5 1.1 6 < 05 03 05 0.5 5.0 0.5 NA NA
<br /> OW29/05 46.00 =]28 NA NA NA 760 1&1 < 0.5 12 3.7 0.5 < 0.5 < 0.5 < 0.5 < SO NA NA NA
<br /> 09/21/05 46.97 -28 25 NA NA NA 602 lox 0.5 0,5 3.3 ' 05 < 0.5 < 0.5 < 0.5 < 5.0 NA NA NA
<br /> 12/20/05 47.62 -28,90 NA NA NA ' 440 18.7 0.5 07 4.7 0.5 < 0.5 0.5 05 37 05 05 NA
<br /> 0311 S/O6 45.45 -2673 NA NA NA 386 10.6 0.5 -0.5 4.4 0.5 = 0.5 05 0 5 = 5o 0.5 0.6 NA
<br /> 06/2V06 42.42 -2370 NA NA NA 233 12.6 0.8 07 1.0 O S 0.5 - 0.5 0.5 < 5.0 < 05 - 0.5 NA
<br /> 09/20/06 42.43 23.71 NA NA NA 269 OS < 05 0.9 < 1.0 < 0.5 ' 0.5 '- 0.5 0.5 27 0.5 ' 05 NA
<br /> I2/I2/06 41.17 -23.55 NA NA NA 229 0.8 0.8 0.8 1.0 " 0.5 ' 05 0.5 05 5.0 0.5 NA NA
<br /> 03C0/07 41.10 -21.38 NA NA NA 1]] 0.5 0.6 0.5 1.0 < 0.5 OS < 0.5 OS < 5.0 05 0.5 NA
<br /> 06/11/W 41.16 -^194 NA NA NA IT 5.2 0.5 O.S < 1.0 0.5 0.5 < 0.5 05 31 0.5 NA NA
<br /> 09/25/07 41.32 --1_2,60 NA NA NA ' 148 0.5 0.5 0.5 10 0.5 05 0.5 05 + 5.0 0.5 0.5 NA
<br /> )C\Plnjec1\5000_Ptj\5960 SJC UST RFQ\5960C County cf San Joaquin-SJC Public Works\5960C12\596OC12A GW Monitoling\Data\5960C12 202203 Motor Pool Historical Data.xlsxTable B-2 Historical Data 7 of 11
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