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— — -- --------- KLEINFELDER <br /> TABLE 8 <br /> SUMMARY OF TREATMENT PLANT AREA <br /> SOIL SAMPLING AND ANALYSIS PROGRAM <br /> Sampling Sample Depth Analytical <br /> Location Location Rationale (inches*) Parameter <br /> TP-1 66-72 (2) <br /> TP-2 0 to 12 1) Cu, Ni, Cn, AI, <br /> TP-3 Adjacent to tanks, processes in 0 to 12 (1) Cr+6, Cr III, <br /> TP-4 Which all COPC may have been 66-72 (2) pH <br /> TP-5 used. 66-72 (2) <br /> TP-6 66-72 (2) <br /> TP-7 Adjacent of Chrome + Process Tank 6-72 (2) Cr III, C+ <br /> TP-8 Adjacent of Acid Tank 0 to 12 1) pH <br /> TP-9 Adjacent of Cyanide Process Tank 66-72 (2 Cn <br /> TP-1 Treatment Plant Discrete Sample TP-1 pH Corrosivity <br /> Cr+6 Hexavalent Chrome Al Aluminum <br /> Cr III Chromium III Cu Copper <br /> Cn Cyanide Ni Nickel <br /> (1) Subsurface samples will be collected at 42 to 48 and 108 to 112 inches bgs and will be held <br /> pending shallow soil sampling results. <br /> (2) Subsurface samples will be collected at 108 to 112 inches bgs and will be held pending shallow <br /> soil sampling results <br /> TABLE 9 <br /> SAMPLE CONTAINERS, PRESERVATIVES, AND HOLDING TIMES <br /> Analyte Sampling Method Method Container Preservative Holding <br /> Time <br /> Metals Stainless Steel <br /> (Cr III, Ni, Pushprobe/Manual EPA 6010 Sleeve/ 4° C 180 days <br /> Cu, Al) Drive Sampler Series Acetate Liner <br /> Pushprobe/Manual EPA Stainless Steel <br /> Cn Drive Sampler Method Sleeve/ 4° C 14 Days <br /> 9010A Acetate Liner <br /> Pushprobe/Manual APHA/EPA Stainless Steel <br /> pH Drive Sampler Method Sleeve/ 4° C Immediately <br /> 9045 Acetate Liner <br /> +6 Pushprobe/Manual EPA Stainless Steel <br /> Cr Drive Sampler Method sleeve / 4° C 24 Hours <br /> 7199 Acetate Liner <br /> Abbreviations (As soluble chrome DI water) <br /> pH Corrosivity Cr. Hexavalent Chrome <br /> Al Aluminum Cr III Chromium III <br /> Cu Copper Cn Total Cyanide <br /> Ni Nickel <br /> 57252.T02/ST05R999/DH:ly Page 22 of 29 <br /> ©2005 Kleinfelder, Inc. September 1,2005 <br />