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L <br /> LJune 12,2006 <br /> NOA Project Number: E06058A <br /> L J 5.0 CONCLUSIONS AND RECOMMENDATIONS <br /> L Should the future residents of the subject property be interested in determining the quality of their <br /> drinking water, EHD should be contacted for direction regarding the potential for impacts to <br /> groundwater from the agricultural history of the property and vicinity. <br /> LThe stained gravel under the truck should be disposed of in accordance with all applicable regulations. <br /> L Because no staining was observed in the vicinity of the transformers,the transformer is not considered <br /> an environmental threat to the subject property at this time. Should the property owners or the EHD <br /> be concerned about PCB contamination from the transformer, PG&E should be contacted to test, <br /> Lretrofit, or replace the transformer. <br /> /If the existing structures are to be renovated or demolished,a survey to detect lead-based paints and <br /> asbestos-containing materials should be conducted prior to any such activities. <br /> k1 Any wells or septic systems identified which will not remain in use should be abandoned under EHD <br /> ` oversight. Any additional infrastructure or buried debris that may be encountered during site grading <br /> `L /or development should be removed and disposed of in accordance with all applicable regulations.J As the site is developed,any stained soil or sources of contamination identified,such as those described <br /> in Section 3.3, should be characterized and properly disposed in accordance with federal, state, and <br /> local regulations. <br /> /6.0 LIMITATIONS <br /> This report was compiled as a Surface and Subsurface Contamination Report for the subject property. <br /> This report contains information and data provided to NOA by several sources. NOA in no way <br /> warrants the accuracy or completeness of the information provided to this investigation by those <br /> j sources. <br /> Y. <br /> It should be noted that when an environmental assessment is completed without sample collection and <br /> G quantitative analysis of soil and groundwater beneath the site,as in this study,no statement of scientific <br /> certainty can be made regarding latent subsurface conditions which may be the result of on-site or off- <br /> site sources. The findings and conclusions of this report are not scientific certainties, but rather, <br /> L probabilities based on professional judgement concerning the significance of the data gathered during <br /> the course of this investigation. NOA is not able to represent that the site or adjoining land contains <br /> no hazardous waste,oil,underground storage tanks,or other latent condition beyond that detected or <br /> L observed by NOA during the Surface and Subsurface assessment. The possibility always exists for <br /> contaminants to migrate through surface water,air, or groundwater. <br /> LOur office has not been provided with specific criteria for the development of this report other than <br /> L g .,44 <br /> L <br />