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Table 2 <br /> Selected Metals in Soil Samples <br /> (all concentrations in mg/kg) <br /> Total Total Total Total <br /> Boring Depth (ft) Lead Zinc Mercury Copper <br /> Bl 15 50 110 <0S 58 <br /> 3 *250 *200 <0S *140 <br /> 5 *110 71 <05 48 <br /> B2 15 *120 *270 *12 96 <br /> 3 1100 *330 <05 *110 <br /> 5 35 66 <0.5 36 <br /> B3 15 76 120 <0S 30 <br /> 3 *300 *360 <05 *140 <br /> 5 55 83 <05 69 <br /> 10 18 120 <0.5 60 <br /> 20 <10 110 <0S 75 <br /> B4 15 *110 *340 <0.5 *130 <br /> 3 *150 *280 <05 *120 <br /> 5 1000 *570 *0.65 *310 <br /> TTLC 1000 5000 20 25,000 <br /> STLC 5 250 0.2 25 <br /> Typical** 1 2 - 200 10 - 300 1 0.02 - 02 1 2 - 100 <br /> Bold# Exceeds TTLC <br /> * Elevated Concentrations <br /> ** Bohn, et al., 1979 <br />