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Table A: Historical Groundwater Measurements and Analytical Results
<br /> E
<br /> DEPTH TO GROUNDWATER
<br /> SAMPLE DATE GROUNDWATER ELEVATION ETHYL- 1,2-
<br /> LOCATION SAMPLED (Feet bgs) (Feet mst) TP"-K TPH-rvIO TPH-D TPH-G BENZENE TOLUENE BENZENE XYLENES MTBE DIPE ETBE TAME I TBA DCA EDB Naphthalene
<br /> Method 8015M 8015M 8015M 8015NI 8021B 8021B 802€B 8021B 8260B 8260E 8260B 926013 8260E 8260B 8260E 8260B
<br /> top of casing 56} 1L 2 5 1 /L 2 I.0µglL 150}g/L 300}�gIL 1,750 g/1, t3µg1L None None None 12}LgIC 0.5 1t IL 0.05}r
<br /> gIL
<br /> elevation MCL None None
<br /> MAY-2 04/14/99 42.78 -23.33 NA NA 86,000 90,100 28,900 5,060 1,890 11,750 644 < 10 < 10 < 10 < 50 <NA NA NA
<br /> 19.45 12/18/00 43.93 -24.48 NA NA 50 57,000 30,000 <2,500 2,500 4,000 2,500 NA NA NA NA NA NA IVO
<br /> 12/06/01 4690 -27.45 NA NA NA 110,000 33,000 1,200 2,100 9,800 6,700 < 100 < 100 < 100 < 1000 < 100 NA NA
<br /> 03/29/02 44.31 -24.86 NA NA Nil 82,000 27,000 600 1,400 6,600 9,9()0 < 100 < 100 < 100 < 1000 < 100 NA NA
<br /> 05/06/02 45.47 -26.02 NA IVA NA 90,000 35,000 650 29400 9,600 5,500 < 50 < 50 <50 < 500 <50 NA IVA
<br /> 08/22/02 47.17 -27.72 NA Nef NA 100,000 36,000 620 3,100 11,300 32,000 < 50 < 50 < 50 5300 100 NA Net
<br /> 11126102 48.26 -28.81 Nff NA NA 94,000 40,000 320 2,000 5,900 25,000 < 50 < 50 < 50 <500 1,400 NA NA
<br /> 03/07/03 47.17 -27.72 N11 NA NA 42,000 14,000 200 1,000 1,800 15,000 < 500 < 500 < 500 <5,000 NA NA NA
<br /> 05/09/03 46.90 -27.45 NA NA NA 84,000 29,000 390 2,600 6,900 24,000 < 500 <500 < 500 <5,000 < 500 NA NA
<br /> 09/12/03 48.62 -29.17 NA NA NA 94,000 28,000 <250 2,100 3,700 17,000 < 500 < 500 <500 < 5,000 <500 NA NA
<br /> 12/19/03 49.22 -29.77 NA NA NA 6I,000 17,000 <200 1,400 1,900 24,000 < 500 < 500 < 500 < 5,000 <500 NA NA
<br /> 03/24104 47.71 -28.26 Nei NA NA 93,000 38,000 <200 2,900 5,400 34,000 < 500 <500 < 500 <5,000 < 500 NA NA
<br /> 06/09/44 47.45 --28.00 NA NA N11 85,000 9,600 10,000 2,500 16,000 9,700 < 800 < 500 < S00 <5,000 < 500 NA NA
<br /> 08/23/04 48.75 -29.30 NA NA NA 68,000 3,200 3,500 3,400 18,000 660 < 500 < 500 < 500 < 5,000 < 500 NA IVA
<br /> 12/29/04 48.98 -29.53 NA NA NA 80,000 3,600 6,500 4,100 18,000 350 < 50 < 50 <50 < 500 < 50 NA Nef
<br /> 03/23105 48.48 -29.03 NA NA NA 63,000 4,900 6,300 41300 16,000 530 < 50 < 50 <50 < 500 <50 NA INA
<br /> 06129105 47.00 -27.55 NA NA NA 55,500 5,380 3,650 4,160 13,400 720 < 50 <50 <50 <500 NR NA NA
<br /> 09/21/05 48.00 -28.55 NA NA NA 62,200 9,470 4,030 4,070 11,600 4,670 < 50 <50 <50 <500 NA NA NA
<br /> 12/20/05 48.62 -29.17 NA NA NA 62,200 11,600 6,030 3,560 8,950 30,800 < 50 < 50 <50 < 500 < 50 <50 Net
<br /> 03/15/06 46.42 -26.97 NA NA NA 75,700 16,700 6,610 4,240 9,890 42,600 < 500 < 500 <500 < 5,000 <500 <500 NA
<br /> 06/21/06 43.40 -23.95 NA NA NA 66,000 17,200 9,010 1,650 10,200 37,400 < 500 <500 < 500 <5,000 <500 < 500 NA
<br /> 09/20/06 43.38 -23.93 NA NA NA 87,400 18,000 19720 3,640 6,830 62,800 < 500 < 500 < 500 < 5,000 < 500 < 500 NA
<br /> 12/12/06 43.25 -23.80 NA NA NA 96,700 19,600 1,010 3,880 6,300 54,100 < 500 < 500 <500 < 5,000 < 500 NA NA
<br /> 03/20/07 42.00 -22.55 NA NA NA 46,600 10,700 <400 2,690 39020 42,500 < 500 < 500 <500 < 5,000 < 500 <500 NA
<br /> 06/11/07 41.58 -22.13 NA NA NA 24,900 5,100 <200 I,(00 2,070 37,800 < 500 < 500 < 500 < 5,000 <SOD NA NA
<br /> 09/25/07 42.25 -22.80 NA NA NA 40,500 11,600 <200 1,250 1,460 29,100 < 500 <500 < 500 <5,000 <500 <500 NA
<br /> 12/04/07 42.46 -23.01 NA NA NA 41,800 12,200 <333 1,630 844 29,000 < 500 <500 <500 < 5,000 <S00 <500 Nel
<br /> 03/31/08 40.68 -21.23 1 NA NA NA 18,000 3,820 < 100 701 357 31,100 < 500 < 500 <500 < 5,000 < 500 <500 NA
<br /> 06/09/08 40.67 -21.22 NA NA NA 15,800 4,370 < 100 620 275 43,000 < 500 < 500 < 500 < 5,000 <500 <500 NA
<br /> 09/05/08 41.60 -22.15 NA NA NA 8,070 800 < 50 86.0 < 100 9,330 < 50 < 50 < 50 < 500 <50 <50 NA
<br /> 11/20/08 42.41 -22.96 NA NA NA 27,400 6,550 < 100 792 < 200 38,600 < 50 <50 < 50 <500 <50 <50 NA
<br /> 02/24/09 42.05 -22.60 NA NA NA 6,060 462 <SO 156 < 100 16,700 < 100 < 100 < 100 < 1,000 < 100 < 100 NA
<br /> 05/13/09 41.66 -22.21 NA NA NA 14,500 4,630 < 50 1,340 185 45,200 NA NA NA NA NA NA NA
<br /> 10/20/09 43.40 -23.95 NA NA NA 7,550 982 < 50 930 < 100 58,600 NA NA NA NA NA NA NA
<br /> 05/14/10 41.64 -22.19 NA NA NA 3,470 986 <20 133 149 2,870 NA NA NA NA NA NA NA
<br /> 04/29/11 39.47 -20.02 NA Net NA 1,500 110 < 1 53 37 210 NA NA NA NA NA NA NA
<br /> 06117111 38.84 -19.39 NA NA NA 1,200 64 1.2 29 28 69 NA NA NA NA NA NA INA
<br /> 11/03/11 38.59 -19.14 NA NA NA 1,800 110 2.0 44 58 52 NA NA NA NA N11 NA NA
<br /> 04/17/12 37.65 -18.20 NA NA NA 2,000 130 < 1.2 61 150 24 Nel NA NA NA NA NA NA
<br /> 09/28/12 37.80 -18.35 NA NA NA 7,800 350 25 120 320 150 NA N11 NA NA NA M4 NA
<br /> 03/21/13 36.70 -17.25 NA NA NA 4,200 210 5.2 41 190 71 NA NA NA NA NA NA NA
<br /> 12/09/13 37.90 -18.45 NA NA ArA 8,400 1,200 370 220 740 350 NA NA NA NA < 5.0 NA NA
<br /> 04/04/14 37.30 -17.85 <50 <250 <50 5,700 2,000 13 110 270 1,300 NA NA NA NA <2.5 NA 240
<br /> 11/07/14 39.07 -19.62 <100 <500 <100 19,000 5,600 140 340 990 25,000 NA NA NA NA <5.0 NA 310
<br /> 05/15/15 38.72 -19.27 NA NA NA 31,000 7,400 240 600 1 1,400 26,000 NA NA NA NA NA NA NA
<br /> all by 8260B 11/16/15 41.23 -21.78 NA NA NA 42,000 6,900 <50 600 700 37,000 NA NA NA NA < SO NA 200
<br /> XAProject15000_Prj15960 SJC UST RFQ15960C County of San Joaquin-SJC Public Works\5960C5\596005A MonitoringlReports12H2O15120151116_5960C5A Historic Data 2H2O15.xlsxTable A 2 of 8
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