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1 <br /> Table 4 <br /> ' Total Extractable Petroleum Hydrocarbons as Diesel Groundwater Analytical Results <br /> Union Pacific Railroad Company <br /> Former Maintenance Facility, Tracy, California <br /> ' 2009/2010 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' (pg/L) Notes <br /> MW01A03/07/02 ND<50 NA <br /> ' 03/25/03 ND<50 NA <br /> 03/23/04 ND<50 NA <br /> 03/02/05 ND<50 NA <br /> 03/13/06 ND<50 NA <br /> ' 03/21/07 NA ND<50 <br /> 03/18/08 ND<47 NA <br /> 03/17/09 ND<48 ND<48 <br /> ' 03/16/10 ND<52 ND<52 <br /> MW-01B 03/07/02 ND<50 NA <br /> 03/25/03 51 x ND<50 <br /> ' 03/23/04 ND<50 NA <br /> 03/02/05 ND<50 NA <br /> 03/13/06 ND<50 NA <br /> ' 03/21/06 NA ND<50 <br /> 03/18/08 ND<48 NA <br /> 03/17/09 ND<47 ND<47 <br /> 03/16/10 ND<51 ND<51 <br /> ' MW-01C 03/07/02 ND<50 NA <br /> 03/25/03 ND<50 NA <br /> 03/23/04 ND<50 NA <br /> ' 03/02/05 ND<50 NA <br /> 03/13/06 ND<50 NA <br /> 03/22/07 NA ND<50 <br /> 03/18/08 99 51 d <br /> 03/17/09 ND<47 ND<47 <br /> 03/16/10 ND<50 ND<50 <br /> MW-02A 11/18/02 460x ND<50 <br /> ' 03/26/03 670 x,J 180 x c <br /> 11/12/03 380 x 320 x <br /> 03/25/04 460 x ND<50 <br /> ' 11/02/04 640 x ND<50 <br /> 02/28/05 570 x ND<50 <br /> 11/08/05 830 x,NJ 220 x,NJ <br /> ' 03/13/06 530 x,NJ ND<50 <br /> 12/28/06 780 J NA c <br /> 03/21/07 NA 220 <br /> ' 11/29/07 590 140 <br /> 03/20/08 530 86 d <br /> Dup 1 03/20/08 600 <47 d <br /> ' <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 /> ' UP Tracy Annual Tables 2010_CC'd_AAV.xlsx ARCADIS Pagel of <br />