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24 June 2008 <br /> AGE-NC Project No. 05-1286 <br /> Page 6 of 7 <br /> laboratory analytical data. <br /> 4.1. STRATIGRAPHY <br /> Generally, light green,tan and reddish-brown sandy silts, and silty clays were noted in pilot boring <br /> EW-1113. <br /> Generally,reddish and tan-brown sandy silts, silty sands, and sands were noted in pilot boring EW- <br /> 12B.The observed sands were medium to coarse grained and medium to well-graded.Gravelly sands <br /> were noted from 64 to 70 feet bsg. <br /> Generally, gray brown sands were noted in pilot boring MW-13B. The observed sands were fine to <br /> coarse grained and well-graded. Silty sand, silt, and silty clay were noted from 70 to 76 feet bsg. <br /> No solvent odors were encountered in the samples collected from pilot borings for wells EW-1113, <br /> EW-12B and MW-13B. (See Appendix B for boring logs). <br /> 4.2. SOIL ANALYTICAL RESULTS <br /> No constituents of concern were reported in the analyzed soil samples.The laboratory report(CTEL <br /> Project No. CT214-0804248), quality assurance and quality control report, and chain-of-custody <br /> forms are included in Appendix E. Laboratory electronic deliverable format (EDF) files were <br /> uploaded to the State GeoTracker online database. <br /> 5.0. CONCLUSIONS <br /> Based on the findings from the additional site assessment activities, AGE presents the following <br /> conclusions: <br /> • Groundwater extraction wells EW-11Band EW-12B,injection wells IW-BH1 and IW-BH2A <br /> and monitoring well MW-1313,were all properly installed, developed and surveyed. <br /> 6.0. LIMITATIONS <br /> Our professional services were performed using that degree of care and skill ordinarily exercised by <br /> environmental consultants practicing in this or similar localities. The findings were based upon <br /> analytical results provided by an independent laboratory.Evaluation of the geologic/hydrogeologic <br /> Advanced GeoEnvironmental,Inc. <br />