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Environmental Impact Summary Letter Page 2 TEIXEIRA—SOUZA PROPERTY WKA No. 6504.07 DAIRY WASTE REMOVAL Dairy waste usually consist of manure, wastewater from dairy operations and maintenance activities, and cow carcasses. Waste removal activities began on the subject property in November 2005 and have included pumping liquids, excavation,transport, spreading, and disking of the waste materials. ALP Custom Spreading, Inc. was contracted by Mr.Teixeira to perform these activities. Wallace-Kuhl&Associates Inc. is providing oversight of these activities to document permitting requirements and applicable regulations are being met, and to address unexpected field conditions. The extent of waste removal is based on the Regional Water Quality Control Board(RWQCB) requiring all manure,waste water, and discolored soil are removed from the main dairy operations area prior to redevelopment of the subject property. Following waste removal,the RWQCB will inspect the soil conditions, provide approval to begin backfilling and grading, and remove the dairy from their active dairy list. During the initial phases of the waste removal activities, waste was identified as extending underneath the concrete floor of the holding corrals and the barn. In order to remove this waste, the structures will need to be demolished. The property owner has asked that the barn not be demolished at this time. Waste removal activities are on-going with the exception of the waste identified under the barn. Poor weather conditions have delayed completion of these removal activities. Following the completion of the waste removal activities and the RWQCB inspection, a Waste Removal Completion report will be developed presenting the findings of all activities. METHANE GAS The subsurface organics present in an anaerobic environment such as a dairy are one of the conditions necessary for potential methane gas generation to occur. Wallace-Kuhl & Associates Inc. does not expect methane levels to be a significant problem at the subject property following completion of waste removal activities. This is because virtually all subsurface organics attributable to the former dairy wastewater ponds and impoundment areas will be removed prior to backfilling and mass grading (earthworking) operations, the potential needs to be evaluated.