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AlFel'ohmealINC <br /> 2.9 Investigation-Derived Wastes <br /> Investigation-derived wastes (IDW) were stored on Site in sealed five-gallon buckets near <br /> a pad-mounted transformer. The IDW containers were indelibly labeled with the container <br /> contents, and date and source of accumulation. The IDW container were stored pending <br /> analytical results and will be properly disposed. <br /> 3.0 CONCLUSIONS <br /> The analysis of the soil samples collected during Versar's investigation conducted on <br /> August 6, 1997, detected no concentrations of VOCs. The results of groundwater sampling west <br /> of the former automobile sales and service business contained low concentrations of <br /> ethylbenzene and xylene, constituents normally associated with petroleum hydrocarbons, and no <br /> concentrations of chlorinated solvents. <br /> 4.0 REFERENCES <br /> Versar, Inc. Phase 1 Environmental Site Assessment Bank of America -Ripon Branch No. <br /> 0852, 234 West Main Street, Ripon, California. April 24, 1997. <br /> Versar, Inc. Phase II Subsurface Investigation, Bank ofAmerica-Ripon Branch No. <br /> 0852, 234 West Main Street, Ripon, California. June 30, 1997. <br /> 5.0 LIMITATIONS <br /> The conclusions presented above are based on the agreed-upon scope of work outlined in <br /> Section 1.1. Versar makes no warranties or guarantees as to the accuracy or completeness of <br /> information provided or compiled by others and used by Versar. It is possible that information <br /> exists beyond the scope of this investigation. Also, changes in Site use may have occurred <br /> sometime in the past due to variations in rainfall, temperature, water usage, economic, <br /> agricultural, or other factors. Additional information that was not found or available to Versar at <br /> the time of the writing of this report may result in a modification of the conclusions presented. <br /> This report is not a legal opinion. <br /> The services performed by Versar have been conducted in a manner consistent with the <br /> level of care ordinarily exercised by members of our profession currently practicing under similar <br /> conditions. No other warranty expressed or implied is made. <br /> H:U30FA\PHASE2BUUPOMRIPON2B.DFT 5 <br />