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Ripona Market <br /> Quarterly Groundwater Sampling Report July 2001 <br /> Page 3 <br /> Gasoline and gasoline constituents were detected in all three monitoring wells Only <br /> MTBE was detected at concentrations that exceed established water quality goals Fuel <br /> oxygenates were previously detected in soil samples collected at depths of 25 and 30 feet <br /> in a boring in the vicinity of the former underground storage tanks The extent of the <br /> groundwater plume, as detected in the current monitoring event, is undefined A survey <br /> of potential contamination plume receptors within 2,000 feet of the point of release <br /> identified water well approximately 2000 feet from the former underground storage <br /> tanks <br /> A work plan for an additional site investigation, approved by San Joaquin County <br /> Environmental Health Division, is being implemented Quarterly monitoring will <br /> continue with next event scheduled for October 2001 <br /> The above represents our best professional opinion as to environmental conditions at this <br /> site These opinions were derived using data at hand, and standards of care common to <br /> the environmental consulting community in Northern California There is the possibility <br /> that even with proper application of the above methodologies, there may exist on the <br /> subject property conditions that could not be identified within the scope of this sampling <br /> work or which were not reasonably identifiable from the available information The <br /> methodologies included in this report are not intended to produce all inclusive or <br /> comprehensive results, but rather to provide the client with information regarding <br /> apparent suspicions of existing and potential adverse environmental conditions relating to <br /> the subject property Additional work at this site may generate data that could lead to a <br /> change of opinion regarding conditions or appropriate remedial procedures or both <br /> Prepared by V EU Geo <br /> u� <br /> ROBERT EOURT ds <br /> No 180 <br /> CP9�F'p�G EOV <br /> Robert Fourt, CHG OF CA <br /> Certified Hydrogeologist #180 <br /> fnai�osxb�,�� <br /> �U <br /> t <br /> Pfio t92ig9 <br /> Michael J Kloberdanz, REA, REHS <br /> California Registered Environmental Assessor#02157 Wins CI <br /> California Registered Environmental Health Specialist #4783 <br /> r�COPP C.41La¢� <br />