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2 9 ppm Petroleum hydrocarbons present at a depth of approximately 15 feet below the ground <br /> water surface correspond with water levels observed in monitoring wells between 1990 and 1994 <br /> Ground water samples collected from up-gradient Wells MW-1 and MW-2 were ND for TPPH and <br /> benzene Down-gradient Wells MW-3 through MW-7 contained benzene concentrations ranging <br /> from 11 to 1,800 ppb <br /> If you have any questions regarding the contents of this document, please call <br /> Sincerely, <br /> Cambria Environmental Technology, Inc <br /> III ,,'C', <br /> Jeff Gaarder <br /> Probe t Geologist �OQ-�pFESS!(ly,l <br /> LU, <br /> yQQ Fc <br /> Diane M Lundquist E NO 046725 <br /> Senior Engineer <br />• Attachments <br /> Table I Well/Boring/Probe Data <br /> Table 2 Soil Chemical Analytical Data <br /> Table 3 Well Concentrations <br /> Plate 1 Site Vicinity Map <br /> Plate 2 Site Plan/Ground Water Contour/Chemical Concentration Map <br /> Plate 3 Site Plan/Soil Chemical Analytical Map <br /> Appendix A Exploratory Boring Logs <br /> Appendix B Blaine Tech Services, Inc - Quarterly Monitoring Report <br /> Appendix C Certified Analytical Reports <br /> cc Ms Mary Meays, SJCPHS <br /> Ms Pat,,�lnderson, Central Valley Regional Water Quality Control Board <br /> • <br /> 374 6 <br />