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n n The subject property contains (3) telephone poles located in the rear of the property extending from East to West. The property is not enclosed by fencing and is only bound by the neighboring properties to the East and West,Union Pacific Railroad to the North (which does not appear to drain onto property)and Linne Road to the South. The middle portions of the subject property have been worked with heavy machinery as indicated from track marks left by equipment. Since the property was formerly an orchard the heavy equipment was most likely used to remove formerly existing trees and grade/level the subject property to its current state. There were few animals and no livestock was encountered on the property. Only several squirrels were seen running in and out of burrow holes mostly found on the eastern side of the property closest the neighboring orchard. Some minor surface refuse and garbage on the subject property was wind-blown at the time of our site reconnaissance. There are no large piles indicative of dumping or materials stockpiling. Regional Groundwater Elevation: The San Joaquin County and Water Conservation District Spring 1999 Regional Groundwater Report shows the lowest depth to ^ groundwater within the surrounding area at about 60-feet below the ground surface. 1 ' Surficial Soil Characteristics: The University of California publication entitled "Soils of San Joaquin County, Califomia" (October 1992). This agricultural study lists the soil type on the subject property to a shallow depth as"Stomar clay loam",level to 2%slope. Permeability is described as slow with a water intake in irrigated areas being about 0.5 inch per hour. The Storie Index for the soil is listed at 68 and the soil has a water erosion rating of slight. The color variations at various levels below the ground surface are noted as follows: Typically the surface layer is a grayish brown clay loam and about 1T' thick. The upper 30" of the subsurface is brown clay loam and clay. The next 9" is yellow brown loam. The lower part to a depth of 60 inches is a yellowish-brown, clay loam. The soil is calcareous below 17-inches in depth and in some areas the surface has a silty clay loam or loam layer. The percent of clay and estimated permeability at various levels below the ground surface are listed below: Depth(inches) %Clay Permeability(inches/hour) 0-17 27-35 0.6-0.2 1747 35-60 0.06-0.2 ^ 47-60 27-40 0.2-0.6 1 ' R Ufr aRuA PROPERTY AT 8253 WEar r Z ROA,TRACY,CA 11116 Pogc 3