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Eger Property SSCR Page 8 of 10 Our Project Number: LES090551 My 20, 2009 3.5 Current Off-Site Sources of Contamination No above- or below-ground off-site potential or known sources of contamination were identified from current uses of the surrounding properties, except for the following: �I • Surrounding properties are used for agriculture; agricultural chemicals may be applied to these properties. 4.0 EVALUATION OF IDENTIFIED CONTAMINATION O SOURCES Agricultural chemicals may be stored in large quantities on the property and residues may remain on the property from previous applications. The location of the plugged gas well on the property is not likely to pose an environmental threat to the property unless residential units are to be placed near the abandoned well. A 200 gallon above ground storage tank containing diesel was located on the subject property and removed in 2007. Above-ground tanks require appropriate secondary containment. There f is no evidence to suggest any spills, leaks or chemical releases occurred as a result of petroleum usage on the property. If water wells are not properly operated and maintained, they can serve as contamination conduits to groundwater. Septic systems may be used for inappropriate disposal of hazardous substances. In this case, there is no evidence to suggest that wells or septic systems may be contaminant pathways on the subject property or vicinity. 5.0 CONCLUSIONS AND RECOMMENDATIONS Given the use of agricultural chemicals and petroleum products on the property, meaningful conclusions regarding the presence or extent of such material cannot be determined without soil sampling and analysis. Such sampling and analysis is especially warranted in the conversion of agricultural land into residential use, which is not the case for this property. There is no evidence at this time to suggest the agricultural chemicals were applied inappropriately; however, an addendum letter will be issued following this report upon receipt j and review of the agricultural records from the County. Should future residents of the subject property be interested in determining the quality of their drinking water, EMD should be contacted for direction regarding the potential for impacts to groundwater from the agricultural history of the property and vicinity. If construction is to take place in the future in the vicinity of the plugged dry hole well on the subject property, the Department of Oil, Gas, and Geothermal Resources should be contacted for direction before proceeding. Because no staining was observed in the vicinity of the transformers, the transformers are not considered an environmental threat to the subject property at this time. Should the property 902 Industrial Way-Lodi,CA 95240-209.367.3701 -Fax 209.369.4228 02009 Neil O.Anderson�Associates Inc. ,