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1 NOA Drywell Closure and Investigation Page 13 of 26 <br /> IMay 30, 2014 <br /> Sample Preservation <br /> Sample preservation both before and after relinquishment into laboratory custody were <br /> compared to the acceptable preservation and holding methods described above. No <br /> inconsistencies were detected. <br /> 4.8 Waste Management <br /> Drill cuttings and decontamination water were properly containerized and stored in 55-gallon <br /> covered drums during and subsequent to site activities. Waste disposal was planned at <br /> Forward Landfill, Inc. in Manteca, California. Disposal methodologies were contingent upon <br /> analytical results. The landfill reviewed sampling results and additionally required representative <br /> sampling of the waste in the drums for CAM-17 Metals. There are a total of six (6) full drums <br /> and one (1) half-full drum containing drill cuttings and decontamination water. One (1) soil <br /> sample was collected from each of the seven (7) drums. Samples were composited 4:1 and 3:1, <br /> for a total of two (2) soil samples analyzed for CAM-17 Metals. Samples were picked up and <br /> analyzed by McCampbell Analytical, Inc. Analytical results are included in Appendix D. <br /> Disposal at Forward Landfill, Inc. in Manteca, California was approved by Republic Services on <br /> April 28, 2014. The seven (7) drums containing the drill cuttings and decontamination water <br /> were properly disposed of at Forward Landfill, Inc. in Manteca, California on May 6, 2014. A <br /> Non-Hazardous Special Waste Manifest for the disposal is included in Appendix B. Laboratory <br /> samples were disposed of by the analytical laboratory in accordance with their established <br /> protocols. All waste was disposed of in accordance with federal, state, and local regulations. <br /> 4.9 Health and Safety Plan <br /> Please see the site-specific Health and Safety Plan utilized for sampling and well destruction <br /> activities, included as Appendix C. <br /> 4.10 Sampling Deviations <br /> The following deviations from the work plan arose during sampling activities: <br /> Sediment/sludge was not present in the Concrete Cure Room floor drain. Therefore, a <br /> sample was not collected as intended in the work plan. <br /> TPH as Gasoline, TPH as Diesel, and Total Recoverable Petroleum Hydrocarbon samples <br /> were all collected using two (2) 40 ml VOA vials with hydrochloric acid preservation. <br /> These containers were used rather than the containers specified in the work plan due to <br /> the certified laboratory's recommendation. <br /> 902 Industrial Way•Lodi, CA 95240•209.367.3701 • Fax 209.333.8303 ®2014 Neil O.Anderson&Associates,Inc. <br />