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1 <br /> Table 4 <br /> ' Total Extractable Petroleum Hydrocarbons as Diesel Groundwater Analytical Results <br /> Union Pacific Railroad Company <br /> Farmer Maintenance Facility, Tracy, California <br /> ' 2009/2010 Annual Groundwater Monitoring Report <br /> Cleanup Levels Total Petroleum <br /> CAO 92-70 Hydrocarbons <br /> 100 100 <br /> ' Monitoring Well Sample Date TEPH-d(pg/L) TEPH-d SG' (pg/L) Notes <br /> MW-12A 02/13/01 ND<50 NA <br /> ' 03/06/02 51 ND<50 <br /> 03/25/03 120 x ND<50 <br /> 03/23/04 ND<50 NA <br /> ' 03/01/05 ND<50 NA <br /> 03/13/06 ND<50 NA <br /> 03/21/07 NA ND<50 <br /> 03/19/08 <47 NA <br /> ' 03/17/09 ND<48 ND<47 <br /> 03/16/10 ND<51 ND<51 <br /> MW-12B 02/16/01 ND<50 NA <br /> ' 03/12/02 ND<50 NA <br /> 03/27/03 ND<50 UJ NA b <br /> 03/24/04 ND<50 NA <br /> 03/01/05 ND<50 NA <br /> 03/13/06 ND<50 NA <br /> 03/21/07 NA ND<48 <br /> 03/19/08 340 130 d <br /> ' 03/17/09 ND<47 ND<47 <br /> 03/16/10 ND<51 ND<51 <br /> MW-13A 11/20/01 59 ND<50 <br /> 03/07/02 ND<50 NA <br /> 03/26/03 ND<50 NA <br /> 03/23/04 ND<50 NA <br /> 03/01/05 ND<50 NA <br /> 03/14/06 ND<50 NA <br /> 03/21/07 NA ND<47 <br /> 03/19/08 <47 NA <br /> 03/17/09 ND<47 ND<47 <br /> 03/16/10 ND<52 ND<52 <br /> MW-13B 11/20/01 52 ND<50 <br /> t 03/08/02 ND<50 NA <br /> 03/26/03 120 x 130 x <br /> 03/24/04 ND<50 NA <br /> ' 03/01/05 ND<50 NA <br /> 03/14/06 ND<50 NA <br /> 03/21/07 NA ND<49 <br /> ' 03/19/08 <47 NA <br /> 03/17/09 ND<47 ND<47 <br /> 03/16/10 ND<51 ND<51 <br /> ' UP Tracy Annual Tables 2010_OC'd_AAV.xlsx ARCADIS Page 5 of 9 <br />