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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 SG' (Ng/L) Notes <br /> 03/01/05 ND<50 NA <br /> 03/14/06 ND<50 NA <br /> 03/21/07 NA N D<49 <br /> 03/19/08 <47 NA <br /> 03/17/09 ND<47 ND<47 <br /> 03/16/10 ND<51 ND<51 <br /> 03/17/11 ND<51 NA <br /> MW-14A 11/18/02 300 x ND<50 <br /> 03/25/03 480 x,J ND<50 <br /> 11/12/03 250 x 200 x <br /> 03/24/04 410 x ND<50 <br /> 11/02/04 260 x ND<50 <br /> Dup 11/02/04 260 x ND<50 <br /> 03/01/05 320 x ND<50 <br /> Dup 03/01/05 280 x ND<50 <br /> 11/08/05 310 x,NJ ND<50 <br /> 03/14/06 250 x,NJ ND<50 <br /> 03/21/07 NA N D<49 <br /> 03/19/08 350 <48 d <br /> 03/17/09 240 <47 d <br /> 03/17/10 280 ND<54 d <br /> 03/16/11 280 NA <br /> MW-14B 11/19/01 53 ND<50 <br /> 03/11/02 ND<50 NA <br /> 03/27/03 ND<50 UJ NA b <br /> 03/24/04 ND<50 NA <br /> 03/01/05 N D<50 NA <br /> 03/14/06 ND<50 NA <br /> 03/21/07 NA N D<49 <br /> 03/19/08 71 ND<47 d <br /> 03/17/09 ND<47 ND<47 <br /> 03/17/10 ND<50 ND<50 <br /> Dup 03/17/10 ND<54 ND<54 <br /> 03/18/11 ND<50 NA <br /> MW-15A 11/19/02 ND<50 NA <br /> 03/26/03 76 x ND<50 <br /> 11/11/03 N D<50 NA <br /> 03/23/04 ND<50 NA <br /> 11/02/04 N D<50 NA <br /> 03/01/05 N D<50 NA <br /> Dup 03/01/05 ND<50 NA <br /> 11/08/05 ND<50 NA <br /> 03/14/06 ND<50 NA <br /> 03/21/07 NA N D<49 <br /> UP Tracy Annual Tables 1-5 2011.xlsx ARCADIS Page 6 of 10 <br />