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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 Mon@oring Report <br /> Cleanup Levels Total Petroleum <br /> CAO 92-707) Hydrocarbons <br /> 100 100 <br /> ' Monitoring Well Sample Date TEPH-d(pg/L) TEPH-d SG' (pg/L) Notes <br /> MW-07A 11/18/02 700 x 86 x <br /> 03/26/03 990 x,J ND<50 UJ b <br /> 11/12/03 640 x,J 350 x <br /> 03/24/04 1,000 x ND<50 <br /> 11/02/04 710x ND<50 <br /> ' 02/28/05 840 x ND<50 <br /> 11/08/05 650 x,NJ 110x,NJ <br /> 03/13/06 360 x,NJ ND<50 <br /> Dup 03/13/06 350 x,NJ ND<50 <br /> 03/20/07 NA 120 <br /> 03/20/08 630 80 d <br /> 03/18/09 380 99 d <br /> 03/18/10 1,300 ND<52 <br /> MW-08A 11/19/01 ND<50 NA <br /> ' 03/12/02 ND<50 NA <br /> 03/27/03 ND<50 UJ NA b <br /> 03/25/04 750 x 480 x <br /> 03/01/05 450 x 260 x <br /> ' 03/13/06 250 x,NJ 190 x,NJ <br /> 03/20/07 NA 1100 <br /> 03/20/08 8,900 G 8,800 G d <br /> ' 03/16/09 FP FP <br /> 03/16/10 FP FP <br /> MW-09A 11/18/02 290 x ND<50 <br /> ' 03/27/03 590 x,J ND<50 UJ b <br /> 11/11/03 350 x 190 x,h <br /> 03/25/04 480 x ND<50 <br /> 11/02/04 430x ND<50 <br /> 03/01/05 480x ND<50 <br /> 11/08/05 580 x,NJ 75 x,NJ <br /> 03/14/06 410 x,NJ ND<50 <br /> ' Dup 03/14/06 420 x,NJ ND<50 <br /> 12/28/06 470 J NA c <br /> 03/21/07 NA 160 <br /> ' 11/29/07 440 150 <br /> 03/18/08 370 <47 d <br /> 11/21/08 340 ND<48 <br /> 03/18/09 330 81 <br /> Dup 1 03/18/09 410 85 <br /> 11/20/09 420 <52 <br /> ' 03/18/10 670 ND<54 <br /> ' UP Tracy Annual Tables 2010_OC'd_AAV.xisx ARCADIS Page 3 of <br />