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24 January 2001 <br /> AGE-NC Project No 98-0533 <br />' Page 3 of 4 <br /> 5.0. SUMMARY AND CONCLUSIONS <br />' Based upon data collected from the site, AGE concludes <br />' 0 Depth to ground water at the site averaged approximately 74 feet bsg on 17 November 2000 <br /> • On 17 November 2000 the ground water elevation at the site averaged approximately 17 3 <br />' feet below mean sea level and flowed toward the northeast under an average gradient of <br /> 0 003 ft/ft <br /> • TPH-ag was detected in ground water samples from MW-2, only toluene of the BTEX <br />' compounds was detected in MW-1 and MW-2 Petroleum hydrocarbon products were not <br /> detected in the sample from MW-3, located northeast of the former UST area The <br />' concentrations of analytes with established maximum contaminant levels (MCLS) in the <br /> ground water samples fall within California drinking water standards <br /> 6.0 RECOMMENDATIONS , <br />' . Based upon data collected from the site, AGE recommends continued quarterly ground water <br /> monitoring for two more quarters, at which time the site can be reevaluated for closure <br /> 1 , <br /> 7.0. LIMITATIONS <br /> rOur 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 field <br />' measurements and analytical results provided by an independent Iabor"atory Evaluations of the <br /> geologac/hydrogeologac conditions at the site for the purpose of this investigation are made from a <br /> M <br /> limited number of available data points(a a soil borings and ground water samples) and subsurface <br /> conditions may vary away from these data points No other warranty, expressed or implied, is made <br /> as to the professional recommendations contained in this report <br /> I I, <br /> I <br /> i I <br /> Advanced CeoEnvironmental,inc <br />