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- k` ■ KLEINFELDER <br /> As depicted above, 4'4-DDE was detected in each of the five soil samples and ranged in <br /> concentration from 7.32 to 25.5 µg/kg. <br /> 5.2 BUILDING AREA <br /> A total of twelve (12) soil samples were collected between the depths of 6 and 31%2 feet bgs, <br /> during the advancement of the two borings (B-1 and B-2). The twelve soil samples were <br /> submitted to Sequoia Analytical. Eight of the twelve soil samples (four from each boring) were <br /> analyzed for the following analyses: <br /> • Total Petroleum Hydrocarbons as referenced to Diesel [TPH-D] by EPA Method 8015M <br /> • Total Petroleum Hydrocarbons as referenced to Gasoline [TPH-G] by EPA Method 8015M <br /> • Benzene, Toluene, Ethylene, and Xylenes [BTEX] by EPA Method 8020/5030 <br /> Each of the soil samples submitted for analyses were analyzed on a standard laboratory <br /> turnaround requiring approximately 10 to 15 working days. <br /> None of the eight soil samples submitted for analysis contained any analyte above the laboratory <br /> reporting limits. The following table is a summary of soil sampling depths and relevant <br /> information for each of the eight soil samples collected from boring B 1 and B2. <br /> Table 5-2 <br /> Building Area <br /> Boring Information Summary <br /> Boring No. Sample I.D. Approximate Sample General Boring <br /> Depth Interval (Feet) Location <br /> 11497 6 to 6 1/2 Southeast of Cinder <br /> B 1 11495 16 to 16 %2 Block Addition- <br /> 11493 26 to 261/2 Just West of Asphalt <br /> 11492 31 to 31 %2 Patch <br /> 11490 11 to 11 %2 <br /> 132 11488 21 to 21 %2 North of Hulling Shed <br /> 11487 26 to 26 1/2 <br /> 11486 31 to 31 1/2 <br /> 20-3712-08.E02/2018R1090 Page 10 of 17 <br /> ©1998,Kleinfelder,Inc. December 23, 1998 <br />