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Table 1 <br /> Proposed LIF/CPT Boring Locations <br /> Union Pacific Railroad Company <br /> Former Maintenance Facility <br /> Tracy, California <br /> Phase II Field Investigation Work Plan <br /> Proposed LIF Depth Rationale Location <br /> Location ft bas) <br /> Delineate area between LIF-09 and LIF-13,which both showed low fluorescence. <br /> LIF-16 30 Depending on the results from this boring, additional stepout borings will be advanced. West of Engine House <br /> Delineate area between LIF-09,which showed low fluorescence and LIF-12,which showed <br /> LIF-17 30 high fluorescence. Depending on the results from this boring,additional stepout borings will West of Engine House <br /> be advanced. <br /> LIF-18 30 Delineate area adjacent to former TPCA pond excavation to assess potential impact. South of oil/water separator and <br /> Depending on the results from this boring,additional stepout borings will be advanced. Engine House <br /> Delineate area between LIF-13 and LIF-11,which both showed low fluorescence,and South of oil/water separator and <br /> LIF-19 30 south-southeast of LIF-10,which showed very high fluorescence. Depending on the results Engine House <br /> from this boring, additional stepout borings will be advanced. <br /> Delineate area between LIF-13 and LIF-11,which showed low fluorescence,and south- South of oil/water separator and <br /> LIF-20 30 southeast of LIF-10,which showed very high fluorescence. Depending on the results from Engine House <br /> this boring,additional stepout borings will be advanced. <br /> Delineate area south of LIF-07,which showed medium fluorescence and northeast of LIF- <br /> LIF-21 30 11,which showed low fluorescence. Depending on the results from this boring,additional East of Engine House <br /> stepout borings will be advanced. <br /> Delineate area southeast of LIF-07,which had medium fluorescence and south of <br /> LIF-22 30 LIF-15,which showed low fluorescence. Depending on the results from this boring, East of Engine House <br /> additional stepout borings will be advanced. <br /> Delineate area north of LIF-04,which showed medium fluorescence and northwest of LIF- <br /> LIF-23 30 05. Depending on the results from this boring, additional stepout borings will be advanced. South of main tracks <br /> LIF-24 30 Delineate area west of LIF-04,which showed medium fluorescence. Depending on the <br /> South of main tracks <br /> results from this boring,additional stepout borings will be advanced. <br /> Delineate area northwest of LIF-01,which showed medium fluorescence.Also assess <br /> LIF-25 30 presence of LPH in MW-06A. Depending on the results from this boring,additional borings South of main tracks, near track <br /> will be advanced in the general area of MW-06A. pan <br /> LIF-26 30 Delineate area west of LIF-01,which showed medium fluorescence. Depending on the South of main tracks, near track <br /> results from this boring,additional stepout borings will be advanced. pan <br /> LIF-27 30 Assess LPH that could be associated with suspected piping. Depending on the results from In the vicinity of suspected <br /> this boring,additional stepout borings will be advanced. underground piping <br /> LIF-28 30 Assess LPH that could be associated with suspected piping. Depending on the results from In the vicinity of suspected <br /> this boring,additional stepout borings will be advanced. underground piping <br /> LIF-29 30 Assess LPH that could be associated with suspected piping. Depending on the results from In the vicinity of suspected <br /> this boring,additional stepout borings will be advanced. underground piping <br /> Tables 1-3(12-30-08).xls ARCADIS Page 1 of 2 <br />