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TABLE 2
<br />Summary of Groundwater Analytical Data - Shallow Wells
<br />Equipment
<br />1245 W. Charter Way
<br />Stockton. California
<br />Project No. 507.2
<br />Wells Date Benzene Toluene Ethyl Total TPH M tBE DIPE ETBE TAME TBA Ethanol Methanol 1,2 DCA EDB
<br />Benzene Xylenes Gasoline
<br />ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L ug/L mg/L mg/L ug/L ug/L
<br />MW-9 04/16/99 17,000 6,400 2,600 9,000 100,000 860 ND( <50 ) N DI <50 ) ND( <50 1 ND( <500 I
<br />01/27/00 20,900 8,660 3,340 13,200 137,000 N/A
<br />03/08/00 N/A N/A N/A N/A N/A 410 ND( <250 ) NDR250) ND(<250) ND(<1000)
<br />06/16/00 23,300 8,060 2,740 10,200 113,000 1700 NDR250) NDR250) ND( <250) NDR I 000)
<br />09/26/00 24,500 10,000 3,200 11,300 128,000 ND( <500 ) NDR500 1 NDR500) NDR500) NDR2000)
<br />01/05/01 23,800 11,200 3,440 13,300 145,000 880 ND(<500) NDR500) ND(<500) NDR2000)
<br />03/12/01 19,400 7,260 2,690 9,960 113,000 400 ND( <25 ) N D( <25 1 400 NDR100)
<br />06/01/01 24,000 9,000 3,700 11,000 68.000 110 ND(<5) NDR5) NDR5) 380 ND(<5) NDR5) ND(<5) NDR5 1
<br />09/17/01 33,000 15,000 3,800 16,000 53,000 ND( <50 1 ND( <50) NDI <50 1 N D( <50 ) N D( <500 1 88 ND( <2 ) 800 NDR50)
<br />12/04/01 25,500 11,600 3,840 14,600 153,000 1000 NDR500) ND(<500) NDR500) NDR2000) 10 NDR5) NDR500) NDR500)
<br />02/26/02 25,200 10,700 3,530 14,500 162,000 880 ND(<500) ND(<500) ND(<500) ND(<2000) 21 ND( <5 ) NDR500) ND(<500)
<br />06/20/02 25.400 11,600 3,430 14,400 131,000 711
<br />09/16/02 23,700 11,400 2,960 11,400 144,000 909
<br />12/20/02 24,300 10,100 4,000 15,600 152,000 681
<br />03/18/03 25,700 9,660 11,800 2,930 143,000 666
<br />06/24/03 26,200 11,100 3,420 12,100 152,000 692
<br />09/11/03 25,700 12,200 3,260 14,200 144,000 900
<br />12/12/03 29,700 12,900 3,520 4,290 156,000 668
<br />03/19/04 25,400 9,210 3,640 14,000 137,000
<br />06/04/04 15,500 5.180 985 8,510 75,400 431
<br />08/25/04 21,500 9,440 2,610 12,500 122.000 243
<br />12/29/04 26,100 10,400 3,440 1,210 141,000 295
<br />02/17/05 26,900 11,500 3,560 16,900 146,000 466
<br />05/27/05 25.200 10,100 3.360 13,600 145.000 238
<br />08/19/05 34,000 15,000 4.300 18,000 150,000 N DI <5000)
<br />11/18/05 31,000 14,000 4,600 19,000 150,000 NDR5000)
<br />03/10/06 30,200 12,600 4,350 16,900 104,000 ND( <5000)
<br />05/31/06 25,700 9,870 3,970 15.300 96,000 ND(<5000)
<br />08/22/06 27,700 10.200 4,260 15,900 99,400 NDR3300)
<br />12/01/06 25,900 9,220 4,130 14,900 144,000 ND(<10000)
<br />03/08/07 25.700 7,790 3,510 15,400 80,700 NDR2000)
<br />05/24/07 26,200 8,460 4,110 16,600 93,000 NDR2000)
<br />08/06/07 25,900 8,440 4,220 13,900 125,000 ND( <10000 )
<br />12/03/07 8,780 1,790 1,450 4,010 36,100 200
<br />02/11/08 30,200 6,090 4,600 15,000 114,000 NDR5000)
<br />05/13/08 23,400 6,280 3,670 13,700 111.000 NDR2000)
<br />08/06/08 27,800 10,000 3,150 14,500 115,000 NDR5000)
<br />11/06/08 27,200 6,900 3,600 13,700 110,000 NDR2000)
<br />06/25/09 28,100 9.990 4,160 13,100 145.000 N D(<5000)
<br />12/21/09 28,400 7,170 5,000 14,400 108.000 NDR5000)
<br />06/07/10 25,700 7,630 3,600 11,000 154,000 NDR5000)
<br />12/28/10 30,700 4,320 3.740 10,800 121,000 NDR5000)
<br />05/23/11 28,500 6,850 4,230 12,700 118,000 NDR50001
<br />09/29/11 22,000 2,900 2,600 7,200 66,000 100
<br />10/17/11 Not Sampled
<br />10/28/11 21.000 2,900 2,500 7.600 78,000 85
<br />11/28/11 23,000 2,800 2,500 7.600 70,000 62
<br />12/29/11 18,000 3,000 2,300 7,200 66,000 78
<br />01/27/12 20,000 1,800 2,100 5,600 58,000 86
<br />02/28/12 7,400 1,700 2,000 5,200 53,000 93
<br />03/29/12 19,000 3,200 2,400 7,600 57,000 77
<br />04/16/12 Not Sampled
<br />04/30/I 2 12,000 4,100 1,500 6,300 48,000 210
<br />05/31/12 17,000 7,400 2,100 9,600 66,000 64
<br />06/28/12 14,000 6,500 2,000 8,400 65,000 67
<br />07/30/12 22,000 10,000 1,800 12,000 84,000 NDR500)
<br />12/23/13 23,000 2,100 1,600 6,200 48,000 83
<br />03/21/14 23,000 4.000 2,900 11,000 120,000 320
<br />06/18/14 18,000 2,700 2,000 6,400 35,000 94 ND(<0.51 NDR-0.5) NDR0.5) NDR 1 0)
<br />09/16/14 6,100 1,600 1,100 4,200 27,000 68 NDk0.5) ND(<0.5) ND(<0.5) ND(< 1 0)
<br />12/19/14 19,000 960 1,600 4,100 18,000 110 NDR0.5) NDR0.5) NDR0.5) ND/d0)
<br />03/26/15 1,800 900 1,400 4,000 35,000 140 ND(<10) ND(<10) ND(<10) ND(<200)
<br />06/17/15 22,000 440 1,400 4,400 16,000 110 ND(<12 ) ND(<12) ND(l2) NDR250)
<br />09/09/15 1,600 90 1,300 2,200 9,200 NDR25) ND( <25) NDR2.5) NDR25) ND(e500)
<br />12/23/15 19,000 130 1.800 3,500 40,000 110 ND(<25) NDR25) ND(<25) NDR500)
<br />05/24/16 8.700 83 860 790 11,000 180 ND( <50 ) ND( <50 ) ND( <50 ) ND(<1.000
<br />09/29/16 8,900 85 950 1,200 17,000 130 NDR50) NDR50) NDR50) NDR1,000
<br />12/22/16 6,200 90 970 1,400 13,000 110 NDR5) NDR5) NDR5) NDR 1 00)
<br />05/26/17 6,100 46 700 590 6,600 150 NDR12) ND( <12) NDR12) ND(<250 I
<br />06/26/17 Not Sampled
<br />12/12/17 13,000 32 430 250 6,600 160 NDR6.2) I ND(<6.2) NDI<6.2) ND(<120)
<br />Ground Zero Analysis. Inc. 9 of 12
<br /> 5/9/2018
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