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Wright <br /> Environmental <br /> Backfill of Excavation Services, Inc. <br /> On October 25, 1993 the excavation was backfilled with clean, imported sand, in <br /> 12" lifts. A compaction report by the City of Tracy is forth coming. A load ticket for <br /> the backfill material and the Backfill Excavation Certificate is enclosed in Appendix <br /> E <br /> Discussion <br /> Analytical results of the soil samples indicated there were no detectable <br /> concentrations of TPH-G, TPH-D, BTEX, and EDB. Detectable concentrations of Lead <br /> (Pb) were found in both samples however the concentrations are within the range of <br /> background concentrations (naturally occurring levels) and well below any <br /> regulated concentrations. <br /> Recommendations <br /> No further action regarding this site is recommended. <br /> Should you have any questions, please contact us at (209) 833-0758. <br /> Sincerely, <br /> Wright Envi onmental Services, Inc. <br /> Ilm F. Lynch <br /> oject Manager <br /> attachments: <br /> Drawings I and 2 <br /> Appendix A, Permits <br /> Appendix B, Hazardous Waste Manifest <br /> Appendix C, Tank Tracking Record <br /> Appendix D, Analytical Laboratory Report <br /> Appendix I:, Backfill Certificate, Weigh Tickets <br /> cc: San Joaquin County PHS-EHD <br /> 445 N. San Joaquin Street <br /> P. O. Box 2009 <br /> Stockton, Ca 95201 <br /> Attn: Mr. Bill Snavely <br /> Regional Water Quality Control Board <br /> Central Valley Region <br /> 3443 Routier Road, Suite A <br /> Sacramento, CA 95827-3098 <br /> L Attn: Mr. Robert Evans <br /> 2 1961 Hill View Way • Tracy, California 95376 <br /> Telephone (209) 833-0758 • Fax(209) 832-5152 <br />