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KLEINFELDER <br />5 LABORATORY RESULTS <br />Soil and groundwater sampling was conducted during excavation of Disposal Sites B and C. A <br />total of six soil samples and two groundwater samples were submitted under chain -of -custody <br />procedures to Sequoia Analytical Laboratory of Sacramento, California. Sequoia is a State of <br />California Department of Health Services (DHS) certified laboratory for the analyses requested. <br />For a summary of the analytical results with comparative regulatory limits and Preliminary <br />Remedial Goals (PRGs) please refer to Table 1 under the "Tables Tab" of this report. For <br />complete analytical results refer to the chain -of -custody forms and laboratory analytical reports <br />included in Appendix B. <br />Three soil samples (CS], CS7 and CS4) and two groundwater samples [CSW (6/16/99 and <br />6/20/99)] were analyzed for selected analytes at the request of Robert McCollum from the <br />PHS/EHD. The groundwater samples CSW (6/16/99 and 6/20/99) and soil sample CS7 were <br />collected from Site B and soil samples CS 1 and CS4 were collected from Site C. The four <br />samples were analyzed for the following analyses: <br />• Chlorinated Herbicides by Method SW8150 <br />• Organophosphorus Pesticides by Method SW8141 <br />• Semivolatile Organics by Method SW8270 <br />• Volatile Organics by Method SW8260 <br />• Inorganics (metals and compounds): <br />0 Sb, Ba, Be. Cd.. Total Cr, Co, Cu, Ag, Sri, V, Zn, Ni, Mn, by ICP (Method <br />SW6010) <br />0 Pb, Tl by GFAA (Method SW7000) or by ICP (Method SW6010) <br />0 Hg by CVAA (Method SW7471) <br />0 As, Se by Method SM3114B or by ICP (Method SW6010) <br />0 Cyanide by Method SW9012 <br />0 Sulfide by Method SW9030 <br />20-3978-03.W36/2019766 <br />© 1999. Kleinfeldcr. Inc. <br />J <br />Page 13 of 20 <br />September 9, 1999 <br />