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r r ; <br /> 93-44-334-03; {� <br /> Mr. Sheldon Satnick <br /> CIVICBANK OF COMMERCE <br /> January 12, 1994 <br /> Page 3 <br /> reported in' either of the soil samples collected from Area 5 above the <br /> laboratory method detection limit. <br /> Chromium, lead, nickel, and zinc were reported in the soil samples <br /> collected from Area 5 at concentrations exceeding the detection limits. <br /> However, the concentrations of these metals did not exceed the total <br /> threshold limit concentration (TTLC) for determining if a solid is <br /> hazardous by the toxicity characteristic. No cadmium was reported above. <br /> the laboratory method detection limit in the soil samples collected from <br /> Area 5. <br /> Based on the relative order-of-magnitude uniformity of the <br /> concentrations of the metals reported in the two soil samples collected <br /> from Area 5, the metals detected in the soil samples are probably native to <br /> the soil. <br /> The laboratory analytical results for the metals are summarized below. <br /> The analytical results are presented in Appendix A along with chain of <br /> custody documentation. <br /> I <br /> SOIL SAMPLE ANALYTICAL.RESULTS <br /> Area 5 Sample CONCENTRATION ,OF METALS DETECTED (mg/kg) <br /> Sample Depth <br /> Designation (in feet) Cd Cr PI) Ni Zn <br /> Sample 1 4.5 N D(2) 21 4.4 29 32 <br /> Sample 2 4.5 N D(2) '1; 6.0 24 33 <br /> mg/kg tnilligrarns per kilogram (parts prr million) <br /> r <br /> E <br /> Convene Environmental West C\'C 13;\\'I:OF C:\1 RC I'S\PROj\TRACY PH 3\LTR RPT PH 3 <br /> d <br />