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' to l T <br /> Cyto gua erlrnus 11(r- Page 15 <br /> Valley Wholesale Drug Company <br /> Project No 989 2 <br /> November 8,2004 <br /> • Generously assuming the groundwater velocity at the site reaches 10 ft/yr, soil <br /> contamination leaching into the groundwater near the site of the former USTs would <br /> take nearly 200 years to Ieave VWDC property boundary <br /> • There are no sensitive receptors within at least 2000-feet of the site <br /> • Portions of the site and adjoining properties not covered by structures are capped by <br /> ' asphalt or concrete making migration by infiltration unlikely <br /> MtBE Contamination <br /> ' • An estimated 2±1) gallons of MtBE are present in the so4 and 0 034 gallons in <br /> ground <br /> ' • The July 15, 2004 groundwater-monitoring event reveals that six of the site's ten <br /> groundwater-monitoring wells indicated the presence of MtBE <br /> • The August 23, 2004 GeoProbe investigation shows MtBE was present at trace levels <br /> ' in four of the eight borings <br /> • There are no sensitive receptors within at least 2000-feet of the site <br /> • Portions of the site and adjoining properties not covered by structures are capped by <br /> ' asphalt or concrete making migration by infiltration unlikely <br /> 4.0 LIMITATIONS <br /> This report was prepared in accordance with the generally accepted standard of care and <br /> tpractice in effect at the time Services were rendered It should be recognized that definition <br /> and evaluation of environmental conditions is an inexact science and that the state or practice <br /> ' of environmental geology/hydrology is changing and evolving and that standards existing at <br /> the present time may change as knowledge increases and the state of the practice continues to <br /> improve Further, that differing subsurface soil characteristics can be expenenced within a <br /> ' small distance and therefore cannot be known in an absolute sense All conclusions and <br /> recommendations are based on the available data and information. <br /> ' The tasks proposed and completed during this project were reviewed and approved by the <br /> local regulatory agency for compliance with the law No warranty, expressed or implied, is <br /> made <br /> 1 <br />