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i • Germ GENESIS ENGINEERING&REDEVELOPMENT 1.0 INTRODUCTION This Work Plan was prepared on behalf of Isola Law Group, LLP to conduct Site Characterization activities at and in the vicinity of the Lima Ranch property located at 13436 North Thornton Road, Lodi, California("Site"). The Site location is shown on Figures 1 and 2. This Site Characterization Work Plan is designed to confirm environmental impacts resulting from operations conducted on the Lima Ranch property. The property to the west of the Lima Ranch which is owned by Coldani has been environmentally impacted by high nitrate concentrations in the groundwater. The suspected source of the nitrate impacts is the dairy operations conducted on the Lima Ranch. The focus of this Work Plan will be (i)to confirm and quantify the environmental impacts resulting from the historic and current dairy operations on the Lima Ranch and(ii)to characterize the extent of the impacts. 1.1 Site Background The Lima Ranch has operated at its current location since 1938. According to the Lima Ranch internet homepage,the dairy operation involves the handling and milking of approximately 1,300 cows. The Ranch has approximately 1,500 acres of associated property under lease which is used for farming to produce animal feed and to act as a resource for disposal of the large quantity of wastes generated through the dairy operation. Corn, oats, and alfalfa crops are fertilized with partially treated wastes from the waste holding ponds. Figure 3 shows the current layout of Lima Ranch. The waste management system is reported to be in compliance with applicable laws (Lima Ranch website); although no data have were available to verify compliance at the time of the production of this Work Plan. In addition, it appears that a comprehensive site characterization of environmental impacts has not been conducted for the Lima Ranch. This Work Plan is designed to confirm and quantify environmental impacts that have resulted from over 70 years of dairy production at this site. 1.2 Local Geology and Hydrogeology The Lima Ranch Property is located in the San Joaquin Valley, 8 miles west, southwest of Lodi and 11 miles east of the San Joaquin River, which represents the axis of the San Joaquin Valley. This valley is the southern extension of the Great Valley of California, a broad structural trough that has been the depocenter of 4,000 plus meters of sediment since the Late Jurassic. During the Late Tertiary and Quaternary the source of sediments along the eastern Lima Ranch 1 of 17 Site Characterization Work Plan Addendum April 2008