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Table 3 <br /> Total Extractable Petroleum Hydrocarbons as Diesel Groundwater Analytical Results <br /> Union Pacific Railroad Company <br /> Former Maintenance Facility, Tracy, California <br /> 2010/2011 Annual Groundwater Monitoring Report <br /> Cleanup Levels Total Petroleum <br /> (CAO 92-707) Hydrocarbons 100 100 <br /> Monitoring Well Sample Date TEPH-d(pg/L) TEPH-d SG' (pg/L) Notes <br /> 11/22/10 310 NA <br /> 03/18/11 560 NA <br /> MW-26A 03/18/10 ND<54 ND<54 <br /> 06/21/10 ND<53 NA <br /> 09/23/10 56 NA <br /> 11/22/10 <54 NA <br /> 03/16/11 ND<50 NA <br /> MW-27A 03/18/10 110 ND<53 <br /> Dup 03/18/10 87 ND<55 <br /> 06/21/10 400 NA <br /> 09/23/10 390 NA <br /> 11/22/10 290 NA <br /> 03/18/11 230 NA <br /> TW-03 03/07/02 1300 850 <br /> 11/18/02 94 x ND<50 <br /> 03/25/03 710 x,J ND<50 c <br /> 03/26/04 670 x ND<50 <br /> 11/02/04 970 x ND<50 <br /> 11/08/05 1,000 x,NJ 120 x,NJ <br /> 03/14/06 930 x,NJ ND<50 <br /> 12/28/06 890 NA c <br /> Dup 12/28/06 990 NA c <br /> 03/20/07 NA 280 <br /> 11/29/07 560 210 <br /> 03/20/08 610 <47 <br /> 03/20/08 530 <48 <br /> 11/21/08 350 N D<47 d <br /> 03/18/09 510 130 d <br /> 11/20/09 800 N D<52 <br /> 03/18/10 2,100 ND<51 <br /> 11/22/10 1,900 NA <br /> 03/16/11 1,200 NA <br /> TW-04 08/15/01 470 65 <br /> 11/19/01 1,400 180 <br /> 11/18/02 2,500 x 1,800 x <br /> 03/27/03 2,300 x,J 1,300 x,J b <br /> 11/02/04 2,000 x 1,200 x <br /> 03/08/06 81,000 NJ 81,000 NJ <br /> Dup 03/08/06 78,000 NJ 74,000 NJ <br /> 12/28/06 6,600 J NA c <br /> 03/20/07 NA 3,400 <br /> 11/29/07 FP FP <br /> 03/20/08 FP FP <br /> 11/21/08 FP FP <br /> UP Tracy Annual Tables 1-5 2011.xlsx ARCADIS Page 9 of 10 <br />