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L %%./ <br /> LIGHT, AIR & SPACE CONSTRUCTION <br /> ENVIRONMENTAL SERVICES COMPANY <br /> State Contractor's(#cense Number 445403 <br /> State EPA R-E.A.Number 04072 <br /> Office 408-979-0661 <br /> CONCLUSIONS AND RECOMMENDATIONS <br /> Based on the field observations presented and the supporting soil sample analysis, it is our opinion <br /> that the subject site has been impacted by petroleum hydrocarbons previously contained in the <br /> former underground storage tanks. The San Joaquin County Environmental Health Department <br /> may require additional investigation and/or remediation on the impacted soil and may require <br /> sampling of the underlying groundwater to ascertain if it has been impacted by the petroleum <br /> hydrocarbons. <br /> ' It is our recommendation that this report be submitted to the appropriate regulatory oversight <br /> agencies (San Joaquin County Environmental Health Department and the City of Manteca Fire <br /> Department) for review and comment_ <br /> LIMITATIONS <br /> e <br /> The conclusions and professional opinions presented herein were developed in accordance with <br /> generally accepted practice as outlined in the guidelines of the California Regional Water Control <br /> Board for addressing fuel leaks from underground tanks. The chemical analysis results are based <br /> on data collected at the sampling locations only, therefore LA&S cannot have complete knowledge <br /> of the underlying conditions. Conditions at the project site will change with time due to natural <br /> processes or the works of man. Accordingly, the findings of this report apply to the present <br /> conditions only, the opinions expressed herein are subject to revisions in light of new information, <br /> and no warranties are expressed or implied. <br /> Light, Air, and Space Construction is pleased to have been of service to you on this project. to <br /> comply with State and Local Environmental laws, LA&S recommends a copy of this report be <br /> forwarded to the following governmental agencies: <br /> 1. Environmental Health Department <br /> San Joaquin County <br /> 304 East Weber Avenue,Third Floor <br /> Stockton, California 95202-2708 <br /> Attn. Raymond J. Von Flue, R.E.H.S. <br /> 2. City of Manteca Fire Department <br /> 1154 South Union Road <br /> Manteca, CA 95337 <br /> Attn: Randy Sutton, Deputy Fire Marshall <br /> Jan 5, 2005 Page 8 of 14 <br /> MAIN OFFICE • 1707 Ln-rLE ORCHARD STREET,SurrE A•SAN JOSE•CA a 95125 <br /> MAILING ADDRESS.P.O.Box 36303 o SAN JOSE•CA•95158-6303•4081979-0661•4081979-0621 FAX•LASCONST @,AOL.COM E-MAIL <br /> GENERAL AND ENGINEERING CONTRACTOR•HAZARDOUS SUBSTANCE REMOVAL CONTRACTOR-SITE ENVIRONMENTAL ASSESSMENTS <br /> WETLAND AND RIPARIAN HASTTAT—ASSESSMENT—DESIGN—RESTORATION—CONSTRUCTION—MITIGATION MONITORING <br />