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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 100 100 <br /> (CAO 92-707) Hydrocarbons <br /> Monitoring Well Sample Date TEPH-d(pg/L) TEPH-d SG' (Ng/L) Notes <br /> 03/19/08 <47 NA <br /> 03/18/09 ND<47 ND<47 <br /> 03/17/10 ND<55 ND<55 <br /> 03/16/11 ND<50 NA <br /> MW-15B 02/14/01 ND<50 NA <br /> 03/08/02 120 ND<50 <br /> 03/26/03 62 x ND<50 <br /> 03/24/04 ND<50 NA <br /> 03/01/05 N D<50 NA <br /> 03/14/06 ND<50 NA <br /> 03/22/07 NA ND<49 <br /> 03/19/08 62 <47 d <br /> 03/18/09 ND<47 ND<47 <br /> 03/17/10 ND<51 ND<51 <br /> 03/17/11 ND<51 NA <br /> MW-15C 02/14/01 ND<50 NA <br /> 03/08/02 ND<50 NA <br /> 03/27/03 ND<50 UJ NA b <br /> 03/24/04 ND<50 NA <br /> 03/02/05 ND<50 NA <br /> 03/14/06 ND<50 NA <br /> 03/22/07 NA ND<49 <br /> 03/19/08 89 <47 d <br /> 03/18/09 ND<47 ND<47 <br /> 03/17/10 ND<52 ND<52 <br /> 03/17/11 ND<51 NA <br /> MW-16A 08/15/01 ND<50 NA <br /> 03/07/02 ND<50 NA <br /> 03/26/03 ND<50 NA <br /> 03/23/04 ND<50 NA <br /> 03/03/05 ND<50 NA <br /> 12/28/06 ND<50 NA <br /> 03/21/07 NA ND<48 <br /> 03/20/08 <48 NA <br /> 03/18/09 N D<47 N D<47 <br /> 03/17/10 ND<53 ND<53 <br /> 03/17/11 ND<51 NA <br /> MW-16B 08/15/01 ND<50 NA <br /> 03/07/02 ND<50 NA <br /> 03/27/03 81 x ND<50 <br /> 03/24/04 N D<50 NA <br /> 03/03/05 ND<50 NA <br /> 03/14/06 ND<50 NA <br /> 03/22/07 NA ND<48 <br /> UP Tracy Annual Tables 1-5 2011.xlsx ARCADIS Page 7 of 10 <br />