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3.3 Description of all current on-site potential and/or known above and below ground sources of contamination identified at the project site: Presently, there are no underground 3 nor above ground storage tanks on the property and visual inspection did not produce any evidence of buried containers, as well as no odors that would be associated with buried chemical tanks. 3.4 Description of all past off-site potential and/or known above and below ground sources of contamination identified in the area of the project site: Past off-site potential for contamination is the proximity to Banner and Star Streets. Other sources of potential contamination is the surrounding vineyards and the chemicals used in their farming operation. 0 There is a county maintained storm pond on the adjacent property. There is no knowledge of below ground sources of contamination in the area of the project site that has or may impact the project site. 3.5 Description of all present off-site potential and/or known above and below ground sources of contamination identified in the area of the project site: Present off-site potential for contamination is the proximity to Banner and Star Streets. Other sources of potential contamination is the surrounding vineyards and the chemicals used in their farming operation. C� There is a county maintained storm pond on the adjacent property. There is no knowledge of below ground sources of contamination in the area of the project site that has or may impact the project site. 4.0 EVALUATION OF PAST AND CURRENT SOURCES OF CONTAMINATION IDENTIFIED AT OR NEAR THE SITE AND RECOMMENDATIONS FOR FURTHER ACTION: 4.1 Evaluation of each potential and/or known source of contamination identified for any real and/or potential threat to human health and the environment: The depth to ground water in this area is approximately 10 feet. Due to this depth, any pesticides, insecticides, and fertilizers used on the property in the past or present could have a minimal impact to the ground water. The aforementioned storm pond creates the only potential for contamination in case of (Lf �) severe flooding. The close proximity to Banner and Star Streets could be a concern. However, drainage for these roads is collected with curb and gutter and does not drain onto the subject property.The use of approved best management practices for the containment of soil or any contaminates by straw waddles around the construction site and other practices to reduce the introduction of any dirt or contaminates into the storm runoff system will be required at the time of any future construction per County Building Department. 5.0 CONCLUSIONS AND RECOMMENDATIONS SECTION: 5.1 Discussion of the above evaluation: The potential for contamination is low, and no �. I mitigation measures are recommended at this time. 2 r,\nas7\rn„„mi.,,en„Rrt M17n7