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TABLE 2 SUMMARY OF SOIL MATRIX SAMPLING AND ANALYSIS PROGRAM' Lockeford Elementary School Expansion Site PEA Work Plan Approximate Location Sample Sample Title 22 SVOCs(Incl.PAHs) Pesticides(OCPs) PCBs TPHs VOCs' Moisture Physical Duplicate Identification Rationale Depth Total Metals by by EPA 8270C by EPA 8081A by EPA 8082 by EPA 8015M by EPA 8260B Content Parameters' Samples' feet bgs) EPA 7000 Series by ASTM D2216 SG-1 Truck Parking 0.5 X X X X X 5 x X X X X SG-2 Truck Parking 0.5 X X X X X 5 X X X X X SG-3 Truck Parking 0.5 X X X X X 5 X X X X X SG-4 Truck Parking/Railroad 0.5 X X X X X 5 X X X X X SG-5 Truck Parking/Railroad 0.5 X X X X X 5 X X X X X SG-6 Truck Parking/Railroad 0.5 X X X X X X 5 X X X X X SG-7 Truck Parking/Railroad 0.5 X X X X X 5 X X X X X SG-8 Truck Parking/Railroad 0.5 X X X X X 5 X X X X X SG-9 Truck Parking/Railroad 0.5 X X X X X 5 X X X X X SG-10 Truck Maintenance Area 0.5 X X X X X 5 X X X X X SG-11 Building Operations Area 0.5 X X X X X X 5 X X X X X SG-12 Truck Maintenance/Fuel Spill 0.5 X X X X X 5 X X X X X SG-13 Truck Maintenance/Fuel Spill 0.5 X X X X X 5 X X X X X SG-14 Truck Maintenance Area 0.5 X X X X X 5 X X X X X SG-15 Truck Maintenance Area 0.5 X X X X X 5 X X X X X SG-16 ASTs 0.5 X X X X X 5 X X X X X X X X 15 X X X X X X X X SG-17 ASTs 0.5 X X X X X 5 X X X X X X 15 X X X X X SG-18 Wash Rack Filter Unit 0.5 X X X X X 5 X X X X X 12' X X X X X X SG-19 Former UST 0.5 X X X X X 5 X X X X X X X 15° X SG-20 Former UST 0.5 X X X X X 5 X X X X X 15 X X X X X SG-21 Drop Inlet/Low Elevation on Parcel 0.5 X X X X X X 5 X X X X X X 15 X X X X X SG-22 Stained concrete inside building 0.5 X X X X X 5 x X X X X SG-23 Pile of empty drums&used engine parts 0.5 X X X X X 5 X X x X x x X SG-24 Wash Rack 0.5 X X X X X 5 X X X X X Totals 53 53 53 53 53 6 5 2 4 NOTES: (1)See Appendix B for a table of methods,analytes,and detection limits. (2)Soil matrix samples were collected for VOC analysis at locations/depths where VOCs were detected in soil gas samples. (3)Physical parameter tests included bulk density,moisture content,total porosity,sieve analysis,hydrometer,pH,and total organic carbon. (4)The duplicate samples were submitted to the laboratory"blind"by assigning unique sample names not readily identifiable as duplicates. (5)Drill rig could not get down to 15 feet bgs due to hard conditions. (6)Drill rig could not get deeper than 6 feet bgs originally due to hard conditions,although on second day was able to get to 15 feet bgs.