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M KLEINFELDER File No. 20-3474-edND July 30 , 1991 and a drainage basin located at the buildings on Lot 6 northeast corner of the site. The majority of the tains agricultural and pasture land with surrounding area con scattered farm houses. On June 26 , 1991, a representative of our firm visited the Ace Tomato facility and three residences located south and west off French Camp Road. The purpose of the visits was to obtain information on septic system use and to inquire about any problems known to exist 1Wit ions repthis o havingethod of sewage disposal . The three residents q p problems with the p understand there are our septic systems stems .e of their septic e our discussions, we located within the Ace Tomato facility, and there have been no problems with these systems either. Two of the residents questioned indicated that their wells ,good" quality water. The third resident " produced g plate I) claimed his water was high questioned (Location 5 , in nitrate and calcium content. Per our discussions, we understand that two wellslocaatldywithin the Ace Tomato facility produce "excellent,, ITEM C-22 septic "The suitabilityof the soil for development utilizing p systems ; " On July 15 , 1991, a representative of our firm drilled and set-up one 3-foot deep percolation test hole on each of the proposed parcels at the approximate locations shown on Plate truck-mountd drilling I . The test holes were drilled wi continuous-flight auger. equipment using a 6-inch diameter Perforated PVC pipe was inserted into the test holes to ce when adding water. The test holes were prevent disturban filled with relatively clean water the day before testing and were left to soak overnight. our representative returned to the site eS an perform the 3-foot deep o On July 17 , 1991, percolation tests. p County g uidelines, Joaquin the tests were performed ed for a The last 30 minutes of each oderto s were period of 4 hours. I use used to calculate the percolation rates- used rate standard leach lines, the County requires a -percolation The er -foot depth. of 60 minutes p inch, or faster, at the 3erformed passed with percolation rates of 3-foot deep tests pts 10 and 30 minutes per inch for testdsheets es respectively. The County approved percolation are included with this report. Page 2 of 4 Copyright 1991 KLeinfelder, Inc.