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r r <br /> r <br /> Pomho Ranch Property Jul 2004 <br /> Third Quarter Groundwater Sampling Report Y <br /> Page: 3 j <br /> CONCLUSIONS AND RECOMMENDATIONS <br /> Shallow ground water flow-was to the Northeast with a flat gradient, similar to <br /> groundwater flow in previous events. Gasoline petroleum hydrocarbons were not detected <br /> by the analytical laboratory in water samples collected from the monitoring wells. <br /> Volatile aromatic hydrocarbons, and fuel oxygenates were detected by the analytical <br /> laboratory in water samples collected from the monitoring wells MW4 and MW5 located <br /> at and immediate down gradient from the former underground storage tanks. The <br /> contamination is defined laterally and vertically. The dissolved oxygen low in the vicinity <br /> and down gradient of the release indicates that the biological breakdown of the <br /> groundwater contamination is occurring. Quarterly monitoring will continue to confirm <br /> the breakdown of the remaining contaminants. <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: <br /> ftOBEfi`OUI.R.:� U <br /> Robert Fourt, CHG '�,�� <br /> Certified Hydrogeologist 4180 <br /> d v t R`?1Alk�ywp <br /> 1. <br /> i <br /> Michae J.LKIoberdanz, REA, REHS <br /> California Registered Environmental Assessor 402157 too. 02157 <br /> California Registered Environmental Health Specialist#4783 <br /> Cr�+�+� <br />