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Table B-2: Historical Groundwater Measurements and Analytical Results
<br /> DEPTH TO GROUNDWATER
<br /> SAMPLE DATE GROUNDWATER ELEVATION ETHVL-
<br /> LOCATION SAMPLED (Feet bp) (Feet ml) TPH-K TPH-MO TPH-D TPH-G BENZENE TOLUENE BENZENE SYLENES MTBE DIPE ETBE TAME TBA I2DCA EDB N4Phthnlene
<br /> With well so I5M/ 8021W 8021 B/ 8021B/ 80'-IB/
<br /> casing elevation EPA Method BOISM BOISM 8015M 8260B 82608 8260B 82608 8260B 8260E 8260B 82608 8260B 82608 82608 8260B 8260E
<br /> (FeM msl) Woo- None None 100 µg/L' 5 Pg/L' 1.0 µg/L 150 µg/L 300 µg/L 1.750 µg/L 13 µg/L None None None 12 Pg/L- 0 5 µ8/L 0.05 µg/L 17 µg/L
<br /> MW-8 05/09/19 2946 -974 <200 NA <00 J 14 0.50 0.50 050 1.0 11 NA NA NA NA 1.6 0.50 <050
<br /> 09/13/19 28.90 -8.18 1200 NA COD J 32 0.50 0,50 0,50 1 0 9.1 NA NA NA NA 1.4 -- 0.50 <0.50
<br /> 11/14/19 29.03 -8.31 <200 NA <00 J 9.6 0.50 0.50 0.50 1.0 6.8 NA NA NA NA Id 0.50 <0.50
<br /> 0=4/20 28.37 -7.65 <200 NA C00 J 8.6 0.50 < 0,50 0.50 to 10 NA NA NA NA 2.4 < 0,50 <050
<br /> 05/27/20 2802 .7.30 <00 NA <00 ✓ 13 0,50 0.50 0,50 < 1.0 8.0 NA NA NA NA 2.1 050 <050
<br /> 08/13/10 28.62 -790 <200 NA <00 J 11 0.50 0.50 0.50 ' LO 7.9 = 0.50 0.94 050 10 1A 0.50 10.50
<br /> 11/232O 29.60 -8.88 <200 NA <00 J 10 0.50 -- 0.50 0.50 1.0 8.1 0.50 0,50 0.50 + 10 1.2 050 <0.50
<br /> 0J16R1 29.23 -851 <=o NA <20 J 75 < 0.50 050 0.50 LO 5.1 0.50 < 0.50 050 10 1.3 0.50 <050
<br /> D5/19G1 29.55 43.83 1200 NA <00 J9.5 J 0.14 1 0.18 =0.50 1.0 4.7 0.50 0.57 050 10 1.6 0.50 10,50
<br /> 0&20Rt 30.65 -992 <200 NA <00 .114 0.50 1 0.14 '0.50 1.0 52 0.50 050 0.50 10 1.2 0.50 <050
<br /> I l/23P1 30,92 -10.20 <30 NA <30 50 050 < 0.50 0.50 1.0 3.6 0.50 0,77 0.50 10 13 0.50 <050
<br /> 03/10/22 3029 .9.57 <00 NA <00 50 0.50 < 0.50 0.50 Lo 4.0 0.50 0,89 0,50 10 12 0.50 <0.50
<br /> 05/19/22 30.66 -9.94 <00 NA <00 50 0.50 < 0.50 <0.50 10 18 0.50 1.0 050 10 13 050 <0.50
<br /> 09/07/21 31.94 -11.= <00 NA <00 50 050 � 0.50 050 1.0 38 < 0.50 0.50 < 0.50 '+ 10 1.6 0.50 <050
<br /> MW-9 05/17/18 34.18 -12.60 C00 NA 6400 ✓ 24 < 0.50 1 0.098 0.50 '= 1.0 1.8 NA NA NA NA 2.1 NA 10.50
<br /> 21.58 10/26/18 33,99 -12.41 <00 NA 4900 68 0.50 0.50 <0.50 < 1.0 18 NA NA NA NA 1.8 050 <0.50
<br /> 05/10/19 30.18 -860 <00 NA 5400 J23 < 0.50 050 0.50 10 1.3 NA NA NA NA 2.1 0,50 <050
<br /> 08/13/19 2962 -804 <00 NA <00 56 0.50 0.50 1 0.50 1.0 L5 NA NA NA NA 2.0 = 050 < ,So
<br /> 11/15/19 29.80 -822 <200 NA 5400 J 18 0.50 < 050 050 1.0 13 NA NA NA NA 1.3 0,50 1050
<br /> 02C4/20 29.12 -T. <00 NA 6300 J 20 0.50 ' 050 ' 0.50 to 2.1 NA NA NA NA 1.7 0,50 <0.50
<br /> 05/2&/'_0 28.77 4.19 1200 NA 590o J 17 ' 0.50 050 030 < 1.0 2.5 NA NA NA NA 1.0 0.50 <0.50
<br /> 08/13/20 29.36 -7.78 1200 NA 2600 J 15 0.50 1 0.14 0.50 -- 10 to < 0.50 4.9 050 10 033 0.50 <0.50
<br /> 11123/10 30,36 418 17V NA <00 J 17 0.50 0.50 0.50 < 10 1.5 0.50 = 0,50 0.50 10 0.96 050 <050
<br /> OV16111 2994 436 <00 I NA 44U0 120 0.50 0.50 0.50 " 10 1.2 0.50 7.1 050 10 13 050 <050
<br /> 05/20PI 30.23 -8.65 <00 NA 5300 J 17 1 0,13 1 0,18 1 0.11 < 10 1.2 050 4.0 1 0,50 " ID 0.99 0.50 1050
<br /> 0&20/21 31.35 -9,77 2201 NA <200 J 19 < 050 J 0,13 <0.50 < 10 1 1.2 1 050 1 3.7 - 0.50 '- 10 0.79 . 0.50 <0.50
<br /> 11/23/21 31,55 -9,97 <00 NA 5700 J 21 < 0.50 < 0.50 <0.50 1.0 1,5 0.50 5,8 0.50 < 10 0.89 0,50 <050
<br /> 03/10C2 31.00 -9.42 <50 NA 2300 J24 < 050 < 0.50 1,0,50 1,0 1.6 050 55 050 10 0.95 0,50 <0.50
<br /> 05/19/22 31.3S -9.80 <00 NA 9300 77 < 0.50 < 0,50 1,0.50 _ 10 16 0.50 52 '- 050 10 1.1 0,50 <050
<br /> 09/08/22 3265 -1107 170K NA <200 50 < 0,50 < 0,50 <0,50 1.0 2.3 0.50 3.2 0.50 - 10 1A 0,50 <050
<br /> MW-10 05/17/19 33.42 -12.57 <00 NA <200 61 - 0.50 050 "0.50 1,0 11 NA NA NA NA 0.75 NA <0.50
<br /> 20.85 10/26/18 3326 -12,41 <200 NA <200 110 1 0,11 0.50 - 050 < 1.0 35 NA NA NA NA 0.83 0.50 <0.50
<br /> 05/10/19 29.41 -8,56 C00 NA <00 67 1 0.12 050 0.50 10 28 NA NA NA NA 1 047 0,50 <050
<br /> 0&13/19 2887 -8,02 <00 NA <00 95 0.50 050 0.50 1.0 30 NA NA NA NA J 036 -- 0.50 1050
<br /> 11/15/19 29.06 -821 <00 NA JT 82 1 0,11 0.50 0.50 Lo 38 NA NA NA NA J 0,33 0.50 <050
<br /> O'J'ACO 28.36 -7,51 <200 NA <200 92 L 0.50 0,50 0.50 1,0 43 NA NA NA NA 0,50 050 <050
<br /> 05/27PO 2800 -7,15 <200 NA <200 56 0.50 0.50 -0.50 1.0 39 NA NA NA NA J 036 050 <050
<br /> 0&13G0 28.63 -778 c200 NA <00 100 1 0.14 0.50 '0.50 < 1.0 45 0.50 0.50 0.50 10 1 0.28 0.50 <0.50
<br /> I IMPO 29.59 -8,74 <200 NA <00 79 050 < 050 0.50 10 55 0.50 0.50 050 " 10 1 0.37 050 <0.50
<br /> ox 16G1 29.13 -829 <20 NA C'0 59 0.50 0,50 <0.50 1.0 30 0,50 < 0.50 050 < 10 1032 050 <0.50
<br /> 05120PI 29.49 4.61 <20 NA <220 73 1 021 1 0,16 0.50 1.0 41 < 0.50 = 0,50 050 < 10 J 025 0.50 10.50
<br /> 09/20/21 Well lnaceessable NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
<br /> 11/23m 3079 -9,94 <00 NA C00 59 < 0,50 < 0,50 =030 1.0 35 0.50 ' 0,50 '< 0.50 < 10 1 028 0.50 <050
<br /> 03/10/12 3023 -9.38 <00 NA <200 J 32 < 0,50 < 0,50 <0.50 Lo 34 0.50 - 050 - 0.50 IO 1 025 '< 0,50 <050
<br /> 05/19/= 30.53 -268 <Oo NA <00 83 < 0.50 < 050 0.50 to 37 050 < 0.50 0,50 10 1 0.22 '- 0.50 <0.50
<br /> X\Project\5000_prj15960 SJC UST RFO\5960C County of San Joaquin-SJC Publie Works\5960C12\5960C12A GW Monitoring\Data\5960C12 202203 Motor Pool Historical Data.AsxTable B-2 Historical Data 10 of 11
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