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L ` October 17,2005 NOA Project Number: E05120A 2.3 USGS Topographic Maps The topographic quadrangle depicting the subject property is the U.S.Geological Survey,Clifton Court Forebay,California,quadrangle map. One 7.5-minute map dated 1999 was available through Microsoft Terraserver. In the 1999 map,four structures and an agricultural pond are depicted on the subject property. High- voltage power lines cross the northwest corner of the property. An irrigation canal defines the eastern property line. One well is depicted approximately one-third of the way up the eastern property line. The subject property is depicted at 80 to 120 feet above mean sea level,sloping down to the northeast at a rate of approximately 40 feet(vertical)per mile (horizontal). Surrounding properties are depicted as vacant land, an orchard,a dairy, and scattered residences. This map is included in Appendix C of this report. 2.4 Interviews An attempt was made to obtain historical as well as current information relative to the subject property from the property owner or key site manager of the property. An Environmental Questionnaire and 6. Disclosure Statement was completed by Ms.Joanne Kimbrough, daughter of the current owners, on September 6, 2005. A copy of her responses has been included in this report as Appendix E. In her responses to the questionnaire, Ms. Kimbrough indicated that her parents,Joe and Lillian Machado,acquired the property in 1980. She stated that she and her husband,Bruce Kimbrough,have operated the dairy from 1980 through June 2005. To the best of her knowledge,the property has been L used as a dairy since 1950. She indicated that water is provided by an on-site well, and domestic wastewater is disposed by an on-site septic system. Agricultural water is collected in the ponds. r Ms. Kimbrough indicated that a house and milk barn on the property were built in the 19508, two garages were built in the 1960s,and five mobile homes are also present on the property. She was not I aware of any structures which have been removed from the property. Ms. Kimbrough stated that a 1,000-gallon above-ground diesel storage tank is located on the subject property. She indicated that a Shell Oil pipeline that crossed the subject property was abandoned in 1960. Other than the tank and pipeline,Ms.Kirnbrough was not aware of any tanks,chemical storage, chemical spills, or agricultural chemical applications to the subject property. in Bruce Kimbrough was interviewed in person during the site visit on September 6,2005. At this time, he indicated that the manure ponds were installed in 2000 and utilize approximately 19 percent clay. He indicated that the fields are irrigated with a mixture of pond water and water from the Irrigation li. District Mr.Kimbrough stated that there are no trash pits or bum piles on the property. He indicated that the only agricultural chemicals he has applied to the property are Roundup and similar products for weed control. The above-ground storage tank has not moved from its current location,he stated. r 4 ion lr