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On October 2, 1990, a composite from each soil pile (six) were collected and submitted to <br /> Pam Sequoia Analytical Laboratory Q ppendix II) A single composite of these six samples was , <br /> t� analyzed for toxicity by 96-hour static bioassay (Appendix 11) The resulting LC-50 was greater <br /> *� than 1,000 ppm which classifies the soil as non-hazardous <br /> Based on these analyses, the soils were self-certified as non-hazardous and transported to the BJJ <br /> V4 <br /> Company facility at 2431 East Manposa Road, Stockton, California. The site location is show:J <br /> FM on Figure 1. The soils have been stockpiled on b mil plastic pending approval of a remr.iiahon <br /> and disposal plan. The results of the excavation and sampling program were presented in a <br /> report dated November 15, 1990. A workpla,i for investigation of potential groundwater <br /> contamination was included in the November, 1990 report. <br /> The pit was subsequently backfilled with clean sandy soil which was compacted to 95% <br /> maximum compaction at optimum moisture A new asphalt road was constructed over the top <br /> of the former excavation. Apparently during the <br /> paving of the area, monitoring well MW 1 was <br /> covered with asphalt and is currently inaccessible. All work conducted by WaterWork was in <br /> accordance with the WateWork Corp Quality Assurance and Quality Control Plan (Appendix <br /> III) <br /> a <br /> { rw 2.0 SUMMARY OF TECHNICAL DATA <br /> o- <br /> 2.1 Name and address of site and contact person: <br /> Site Location BJJ Company, Inc <br /> 2431 East Manposa Road <br /> Stockton, CA <br /> Tank Owner and Contact Person. Nick Kosta <br /> P O. Box 30010 <br /> Stockton, CA 95312-0010 <br /> HJJSR912 WP <br />