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k4 KLEINFIL1) EN 4.1.3 Sample Handlina After collection, the soil and groundwater samples were labeled, logged on a chain-of-custody, and immediately stored in an iced cooler. .The samples were transported under chain-of-custody control to Kleinfelder's office and then transported-by courier in a sealed container to Sequoia Analytical of Sacramento, Calilbrnia (Sequoia) for chemical analysis. Sequoia is certified by the California Department of Health Services to perform the requested analyses. The soil and groundwater samples were submitted to Sequoia to perform the proposed analyses on a regular turnaround schedule, usually requiring ten to fourteen working days for completion. 4.2 RECYCLING OF DEBRIS The debris excavated from Site 13 was segregated from the soil/lime material. The debris from Site C was also segregated from the soil, but was additionally sifted so the excavated soil could be reused to till the excavation. The soil and slaked lime excavated From Site B was moved to the lime ponds fall the limy: in the lime ponds will be handled in accordance with the Waste Discharge Requirements(WDRs) Cor the lime ponds]. The debris excavated From these two disposal areas at the site were stockpiled with existing, waste construction materials Ior future recycling.. The concrete is to be transported to a temporary onsite crushing plant that will be processing concrete rubble (primarily from the demolished buildings and storage silos) into aggregate that will he used in road construction. Metal will be pulled from the excavatcd debris for later transport to a metals recycling facility. 4.3 MONITORING Wi:LL ABANDONMENT 4.3.1 Permitting and Pre-Field Activities Kleinfelder submitted a well destruction application for six monitoring wells MW-7 through MW-12 to PHS/EHD on .1uly 8. 1999 tier their review. The well destruction application/permit was also obtained on .duly N. 1999. l"or a copy of the well destruction permit please refer to Appendix C. 4.3.1 Monitoring Well ,Abandonment Monitoring wells MW-7 through NTMI-9 were previously installed around the perimeter of Site B and Monitoring wells MW-10 throun,h MW-12 were installed around the perimeter of Site C. The wells were initially installed to monitor �,rottndwater conditions in the vicinity of the two disposal 20-3978-03.W30121119766 Page I I o1'20 O 1999.Kleinfeldcr. Inr, Selltutthtr9. 1999