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19 June 2008 AGE-NC Project No. 08-1612 Page 3 of 16 Environmental Data Resources Inc. (EDR), a data retrieval company (http://www.edmet.cgm), provides a report listing the dominant soil composition in the general area of the subject property based on information from the United States Department of Agriculture's Soil Conservation Service STATSGO (State Soil Geographic Database) soil maps. The soil surface texture is listed as VIGNOLO soil,a silt loam in a Class C Hydrogeologic Group which includes slow infiltration rates. The corrosion potential of this soil for uncoated steel is moderate. The Modesto, Riverbank and Turlock Lake Formations and overlying Recent alluvium are the principal source of domestic ground water in the 13,500 square-mile San Joaquin Valley Ground Water Basin (Basin 5-22). This basin is drained primarily by the San Joaquin River. The nearest surface water features in the vicinity of the property are the Calaveras River, located approximately 4 miles to the north of the property;the Morman Slough,located approximately 2.2 miles to the south of the property and the Stockton Diverting Canal,located approximately 2.5 miles to the southwest. The San Joaquin County Flood Control and Water Conservation District's Lines of Equal Depth to Ground Water Spring 1999 indicates the depth to ground water is 90 feet or less. Ground water flow direction locally appears to be variable. Ground water is considered to be of beneficial use and is utilized for domestic, industrial and commercial purposes. The EDR Report Overview and Detail Maps, provided on Pages 2 through 4, showed the subject property located in a 500-year Flood Zone. This data,available in select counties across the country, was obtained by EDR in 1999 from the Federal Emergency Management Agency(FEMA);the data depicts 100-year and 500-year flood zones as defined by FEMA. The EDR Report Overview and Detail Maps did not show the subject property listed in the National Wetlands Inventory. This data,available in select counties across the country,was obtained by EDR in 2002 from the U.S. Fish and Wildlife Service. 4.0. HISTORICAL USE The history of the subject property from as early as 1914 to present was researched by reviewing aerial photographs,topographic maps,San Joaquin County Assessor's Office records and a personal interview. Based on available information, subject property use appears to have been agricultural/residential for at least at least 94 years.The property was utilized as a sheep ranch by Mr. Maffei, who appeared to own the property from at least the mid 1940s. Mr. Wagner purchased the �2 i property from Mr. Maffei in the early 1950s and utilized the site as a cattle ranch. Mr. Skobrak purchased the property from Mr. Wagner in 1978 and utilized the property as a ranch. In 1997 Mr. Skobrak planted walnuts in the orchard north of the property residences and in 2000 planted walnuts in the orchard north of East Highway 26. Advanced GeoEnvironmental,Inc.