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• Depth to Claypan**: Site conditions of>40"are considered to have slight limitations Site conditions of 20" to 40"are considered to have moderate limitations Site conditions of<20" are considered to have severe limitations Based on the published information, soils 193, 195,236 and 237 have hardpan from 20" to 40" from the surface, which is considered to be moderate. Based on the published information, soils 182 has hardpan at 40"to 60" from the surface, which is considered to be slight. • Depth to high water table: — Areas with a high water table greater than 4 feet are considered to have only a slight limitation to the application of agricultural wastes. The depth to high water table varies from approximately 100' to 110' across the site'. It can be concluded that there will be no impact to the ground water do to the conditions of farming at this site. • Water intake rate,hydrologic soil group: Soils classified as group D are considered to have moderate limitations All soils at the site are classified into group D. The limitations are a result of the slow infiltration and potential runoff from rainfall or irrigation. This property is leveled and has irrigation pipelines,field runoff collection and return pipelines with permanent and portable pumps installed to properly collect and recycle field runoff waters. • Flooding: The site and surrounding properties are within flood zone C. This zone does not experience flooding.' • Permeability rate,inches per hour. High solids waste and liquid wastes applications onto a site with a rate of<2.0" is considered to have slight limitations All of the soils have a published permeability rate of<2.0 inches'. • Soil pH: Site conditions of>6.5 are considered to have slight limitations Site conditions of 3.5 -6.5 are considered to have moderate limitations Site conditions of<3.5 are considered to have severe limitations° The published pH for the site soils vary from 5.1 to 7.8, slights to moderate limitations. The actual test results of soil samples range from 7.5 to 8.3,slight limitations to applications of agricultural waste. Very high application rates of manure can lower soil pH. Actual pH test results of soils at the site and in the immediate area, reference appendix IV-B, 1 &2 Soil#: pH Limitations 182 7.5-8.3 Slight 193 6.5 Moderate 219 6.1 Moderate 220 6.6 Slight 237 7.9-8.1 Slight 236 6.6 Slight 241 6.7 Slight e*Nae that the original topography ofthe am is rolling hills.The DaSilva ranch has been leveled in the past.This leveling has exposed and even art out or filled over the hardpan.Deep ripping has conditioned the profile to minimize the edea to the cleypan. 1. Reference San Joaquin County Flood Control&Water Conservation District Spring 1998 Cr undwata Report 2. Refaence FEMA Map 3.Soil Survey of San Joaquin Courtly,California 4. Agriwhural Waste Management Handbook 0 Western Design/David Avila 2000 15