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kTJ K L E I N F E L D E R <br /> r <br /> 5. ANALYTICAL RESULTS <br /> The results of chemical analyses on the soil are presented in Tables 1 and 2, and in Attachment C. <br /> All seven soil samples were submitted under chain-of-custody procedures to Sequoia Analytical <br /> Laboratory of Sacramento, California were selected for analysis. Sequoia is a State of California <br /> Department of Health Services certified laboratory for the analyses requested. <br /> The soil samples selected for analysis were based on depth, field observations, and the objectives of <br /> the work scope. The laboratory data sheets and chain-of-custody records are included in <br /> Attachment C. The tabulated soil sample analytical results for Total Metals (TTLC of CAM-17) <br /> are summarized in Tables 1 and 2, as follows. <br /> Table 1 <br /> Analytical Results for Total Metals <br /> Boring Identification-Sample Depth(Sample No.) [Sample Date] <br /> Metal SBI-0.5' S132-0.5' SB3-0.5' SB4-0.5' SB5-0.5' Bl-5' B2-5' <br /> Analytes/ (#15147) (#15146) (#15145) (#15144) (#15143) (#15149) (#15148) <br /> Parameters Units [7/16/98] [7/16/98] [7/16/981 [7/16/98] [7/16/98] [7/16/98] [7/16198] <br /> Antimony mg/kg ND(<10) ND(<10) ND(<10) ND(<10) ND(<10) N7 (<10) N-D(<10) <br /> Arsenic mg/kg ND(<25) ND(<10) ND(<25) 10.8 ND(<10) N-D(<10) ND(<10) <br /> Barium mg/kg 125 139 204 168 99.6 101 101- <br /> Beryllium <br /> 03Beryllium mg../kg ND(<1) N-D(<1) ND(<1) ND(<1) ND(<1) ND(<1) ND(<1) <br /> Cadmium mg/kg ND (<1) ND(<1) ND(<1) ND(<1) ND(<1) ND(<1) N'D(<1) <br /> Chromium mg/kg 20.4 22.4 29.6 27.8 18.3 23.1 19.5 <br /> Cobalt mg/kg ND(<10) 8.79 11.4 10.7 6.71 9.57 7.68 <br /> Copper mg/kg 15 17.5 23.6 23.1 12.6 18.8 16.4 <br /> Lead mg/kg ND(<25) 10.8 ND(<25) 14.8 ND(<10) ND(<10) N-D(<10) <br /> Mercury mg./k1- 0.0275 0.0358 0.0375 0.0342 0.0267 0.0467 0.028 <br /> Molybdenum mg/kg ND(<4) NTD(<4) ND(<4) ND(<4) ND(<4) N-D(<4) ND(<4) <br /> Nickel mg/kg 28.3 31.4 39.5 37.5 24.8 32.6 27.7 <br /> Selenium mg/kg ND(<10) N-D(<10) ND(<10) ND(<10) ND(<10) ND(<10) N-D(<10) <br /> Silver mg/kg ND(<1) ND(<1) ND(<1) ND(<1) ND(<1) N-D(<1) N71)(<1) <br /> Thallium mg/kg ND(<10) ND(<10) ND(<10) ND(<10) ND(<10) ND(<10) N-D(<10) <br /> Vanadium mg/kg 25.6 25.7 33.1 31.6 23.4 25.2 24.1 <br /> Zinc mg/kg 1 37.5 40.5 51.2 49.4 32.4 39.9 81.2 <br /> mg/kg =milligrams per kilogram(parts per million) <br /> N7 =None detected at the laboratory reporting limit shown on the attached laboratory data sheets. <br /> < =less than <br /> 20-4202-01.PO2.12018R669 Pace 9 of 14 <br /> © 1998.Kleinfelder,Inc. October 28, 1998 <br />