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-- ----- 1<LEINFEL®ER <br /> TABLE 7 <br /> SUMMARY OF PLATING ROOM SOIL <br /> SAMPLING AND ANALYSIS PROGRAM <br /> (including Background Soil Sampling) <br /> Sampling Sample Depth <br /> Location Location Rationale (inches) Analyte <br /> S1 0 to 12 (1) <br /> S2 Discrete soil sample in acid bath 0 to 12 (1) Cu, Ni, Cn, Al, <br /> S3 areas, hazardous storage area and two random areas for 0 to 12 (1) Cr+6, Cr III, pH <br /> S4 evaluation of all COPC noted. 0 to 12 (1) <br /> S5 Oto 12 (1) <br /> S6 0 to 12 (1) <br /> S7 Discrete soil sample beneath 0 to 12 (1) <br /> S8 plating bath tanks or adjacent to 0 to 12 (l) Cr+6, Cr III <br /> S9 plating bath tanks. Analyses for 0 to 12 (1) <br /> S10 specific heavy metal and or pH 0 to 12 (1) <br /> S11 based on historical tank use and 0 to 12 (1) <br /> S12 site observations (Many tanks 0 to 12 (1) <br /> S13 were labeled). 0 to 12 (1) <br /> S14 0 to 12 (1) pH <br /> S15 0 to 12 (1) <br /> S16 0 to 12 (1) Al, pH <br /> S17 0 to 12 (1) Al, Cn <br /> S18 Discrete soil sample beneath 0 to 12 (1) Al <br /> S19 plating bath tanks or adjacent to 0 to 12 (l) Cu <br /> S20 plating bath tanks. Analyses for 0 to 12 (l) Cu <br /> S21 specific heavy metal and or pH 0 to 12 (1) Cn <br /> based on historical tank use and <br /> S22 site observations (Many tanks 0 to 12 (1) Ni <br /> S23 were labeled). 0 to 12 (1) <br /> S24 0 to 12 (1) Cr+6, Cr III <br /> S25 0 to 12 (1) Ni <br /> S26 0 to 12 (1) Cu, Cn <br /> BGS-1 60 <br /> Background soil samples <br /> BGS-2 60 Cu, Ni, Cn, Al, <br /> collected from same soil type to Cr+6, Cr III, pH <br /> BGS-3 be analyzed for all COPC. 60 <br /> BGS-4 60 <br /> S1 Discrete Sample S1 8r+6 Hexavalent Chrome <br /> BGS-1 Discrete Soil Sample BGS-1 Cr III Chromium III <br /> Cu Copper pH Corrosivity <br /> Cn Cyanide Al Aluminum <br /> (1) Subsurface samples will be collected at 42 to 48 and 90 to 96 inches bgs and will be <br /> held pending shallow soil sampling results. <br /> 57252.T02/ST05R999/DH:ly Page 21 of 29 <br /> ©2005 Kleinfelder, Inc. September 1,2005 <br />