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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 /> 100 100 <br /> (CAO 92-707) Hydrocarbons <br /> Monitoring Well Sample Date TEPH-d(Ng/L) TEPH-d SGa (pg/L) Notes <br /> 11/21/08 540 56 <br /> 03/18/09 330 <47 d <br /> Dup 2 03/18/09 320 91 d <br /> 11/20/09 780 <55 <br /> 03/18/10 1,100 <53 <br /> 11/22/10 1,200 NA <br /> Dup 11/22/10 980 NA <br /> 03/17/11 530 NA <br /> MW-02B 03/11/02 160 ND<45 <br /> 03/27/03 ND<50 UIJ NA b <br /> 03/25/04 N D<50 NA <br /> 02/28/05 N D<50 NA <br /> 03/13/06 ND<50 NA <br /> 03/21/07 NA N D<48 <br /> 03/20/08 ND<47 NA <br /> 11/20/09 ND<53 N D<52 <br /> 03/16/10 ND<51 N D<51 <br /> 03/16/11 ND<521 NA <br /> MW-04A 02/16/01 ND<50 NA <br /> 03/08/02 50 ND<50 <br /> 03/26/03 50 x 55 x <br /> 03/25/04 ND<50 NA <br /> 03/02/05 ND<50 NA <br /> 03/13/06 ND<50 NA <br /> 03/20/07 NA ND<48 <br /> 03/19/08 ND<47 NA <br /> 03/17/09 N D<47 N D<47 <br /> 03/16/10 N D<50 N D<50 <br /> Dup1 03/16/11 ND<52 NA <br /> 03/16/11 ND<55 NA <br /> MW-05A 11/19/01 150 ND<50 <br /> 03/08/02 110 N D<50 <br /> 03/27/03 100 x,J ND<50 LIJ b <br /> 03/25/04 ND<50 NA <br /> 03/01/05 N D<50 NA <br /> 03/13/06 ND<50 NA <br /> 03/20/07 NA ND<50 <br /> 03/19/08 ND<47 NA <br /> 03/17/09 ND<48 ND<48 <br /> 03/16/10 ND<54 ND<54 <br /> Dup 03/16/10 ND<53 ND<53 <br /> 03/16/11 ND<54 NA <br /> MW-06A 02/15/00 480 270 <br /> 03/20/07 FP FP <br /> UP Tracy Annual Tables 1-5 2011.xlsx ARCADIS Page 2 of 10 <br />