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5.3 Description of soil lithology as noted from test pit by appropriate professional using industry standard protocol: The soil in this area is classified as Archerdale clay loam, Stockton clay loam, and Stockton fine sandy loam as stated in the Soil Survey of San Joaquin (3 3J County, California as provided by the United States Department of Agriculture, Soil Conservation Service. 5.4 Discussion of soil lithology as related to future onsite septic uses: The Archerdale clay loam, Stockton clay, and Stockton fine sandy loam all have a slow permeability. (See Appendix). 6.0 PERCOLATION TEST INFORMATION SECTION 6.1 Site Map Showing the location, with concise and accurate dimensions of the percolation test holes on the parcel: See Appendix. ' 4, 6.2 The Minimum Number of Shallow and Deep Percolation Tests was Performed for Each Parcel: Two shallow percolation test holes were prepared, one on each proposed parcel. 6A ) 6.3 Description of the Date, Time and Protocol Used to Prepare the Test Hole, Including Depth and Dimensions of Hole, Preparation of Hole, and Depth of Water Used to Presoak (Minimum 12 Inches): The shallow test holes were excavated to a depth of 42 inches and 8 inches in diameter and backfilled with 2 inches of"pea gravel" in accordance with County Standards. The shallow holes were prepared by John Schallberger of Dillon & Murphy on _ July 25, 2006. On July 26, 2006 at 7:30 a.m. the 24 hour presoak period was started. The holes were filled with 12 inches of water over the gravel at this time. Environmental Health Department was notified of the start of the test. One of the test holes failed to meet the minimum County requirements. Since one test failed, another test hole was prepared. One shallow test hole was excavated to a depth of 42 inches and 8 inches in diameter and backfilled with 2 inches of"pea gravel" in accordance with County Standards. The shallow test hole was prepared by Jake Handel of / Dillon & Murphy on September 8, 2006. On September 10, 2006 at 7:30 a.m. the 24 hour presoak period was started. The holes were filled with 12 inches of water over the gravel at this time. Environmental Health Department was notified of the start of the test. 6.4 Description of the Date, Time and Condition of the Test Hole After the 24-Hour Soak Period (Hole Still Intact, Hole Dry, Depth to Water Remaining in Hole, Etc.): On July 26, 2006 the two shallow test holes were dry. Six inches of water was added to the holes and the holes were deemed suitable to continue. One of the shallow tests passed the minimum County requirements. On September 11, 2006 the shallow test hole was dry. Six inches of water was added to the hole and the hole was deemed suitable to continue. 6.5 The Test Conformed to San Joaquin County Policy EHD 02-02 (Correct Depth, diameter, 2" gravel, 6" Water Refill, Correct Readings Recorded): The percolation tests ((o•`- conformed to San Joaquin County Policy EHD 02-02. 3 cA0528\,Soi1 Report 10/06