SITE INFORMATION AND CORRESPONDENCE_FILE 2

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Table 1 Groundwater Elevation and Analytical Data Chapin Brothers 1766 Monte Diablo Avenue Stockton,California Well ID# Sampling DTW GW Elev. TPH-g B T E X (TOC) Date (feet) (feet) <-------------------------------ug/L--------------------------> VW-1 12/18/2004 . 14.90 --- 1,500 ND<0.5 ND<0.5 ND<0.5 ND<0.6 SI=8'-18'bgs 2/12/2010 14.12 --- 1,100 0.95 <0.5 <0.5 <1.5 7/20/2010 12.84 450 <0.5 <0.5 <0.5 <1.5 VW-7 3/30/1999 10.42 --- <50 <0.5 <0.5 <0.5 <0.6 S1=5'-15'bgs 2/12/2010 DRY --- -- --- --- --- --- 7/20/2010 13.55 - <50 <0.5 <0.5 <0.5 <1.5 EW-1 005/30/02 --- --- 940 58 2.1 5.5 24 9/19/2002 --- --- 710 1.1 <0.5 <0.5 6.6 10/15/2002 --- --- 1,500 20 1.9 2.8 33 2/17/2003 --- -- 7,700 48 9.1 320 460 3/24/2003 --- --- 9,600 35 <12 750 640 4/15/2003 --- --- 2,900 15 4.1 50 260 5/21/2003 --- --- 4,000 16 <5.0 150 300 6/15/2003 --- --- 6,700 32 8.8 610 470 7/21/2003 --- -- 6,400 20 39 420 260 8/19/2003 --- --- 930 8.3 4.5 3.3 2.6 9/16/2003 --- --- 600 4.2 <0.5 <0.5 2.9 10/18/2003 --- --- 500 10 <0.5 4.2 5.5 11/17/2003 --- --- 320 15 14 7.8 5.7 11/24/2003 -- --- 410 12 8 9 41 ❑12/15/03 -- -- 910 10 3.9 3.4 2.7 1/26/2004 --- --- 1,800 4.4 <0.5 18 8.9 2/18/2004 --- --- 1,900 2.9 <0.5 19 11 5/17/2004 -- --- 6,800 3.4 12 400 250 6/23/2004 --- --- 4,300 10 6 560 330 7/22/2004 --- --- 5,300 7.1 16 290 100 8/19/2004 --- --- 6,100 9.2 27 230 87 12/18/2004 --- --- 3,600 3.5 7.2 95 63 1/26/2005 --- --- 7,500 9 7.1 370 280 2/22/2005 -- --- 7,600 4.6 5.1 170 250 3/21/2005 -- --- 8,200 7.3 5.7 670 290 4/25/2005 --- -- 5,300 11 4.2 560 150 5/10/2005 --- --- 1,100 <0.5 3 29 47 5/11/2005 -- -- 1,000 <0.5 <0.5 31 50 8/10/2005 --- --- 2,900 35 37 310 172 10/25/2005 --- --- 3,300 20 2.9 150 33 1/17/2006 --- --- 3,100 10 2.3 75 21 6/2/2006 --- --- 3,000 3.9 <0.5 6.2 5.3 2/12/2010 13.25 --- 550 2.2 <0.5 0.81 <1.5 7/20/2010 - - 480 <0.5 <0.5 <0.5 <1.5 9of13 Chapin Brothers Closure Solutions Inc.