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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 and Cogna Loam as stated in the Soil Survey of San Joaquin County, 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 soils classified as Archerdale Clay Loam in this area have permeability that is slow and the soil classified as Cogna Loam has a permeability as being moderate. The percolation rate was ' 15 min/in. (See Appendix.) 6.0 PERCOLATION TEST INFORMATION SECTION t6.1 Site map showing the location,with concise and accurate dimensions of the percolation test holes on the parcel: See Appendix. ' 6.2 The minimum number of shallow and deep percolation tests were performed for each parcel: One shallow percolation test hole was prepared for this application. ' .3 Description of the date time and protocol used to prepare the test hole, including depth 6 p � P and dimensions of hole, preparation of hole, and depth of water used to presoak(minimum ' 12 inches): The shallow test hole was excavated to a depth of 42 inches and 12 inches in diameter and backfilled with 2 inches of"pea gravel" in accordance with County Standards. The shallow hole was prepared by Mike Toy of Dillon& Murphy on September 11, 2018 at 7:00 a.m., On ' September 11,2018 at 7:30 a.m.the 24 hours presoak period was started. The hole was filled with 12 inches of water over the gravel at this time. ' 6.4 Description of the date,time and condition of the test hole after the 24-hour soak period (hole still intact,hole dry,preparation of hole,and depth of water used to presoak(minimum 12 inches): On September 12, 2018 at 7:30 a.m. the one shallow test hole was dry. Six inches of water was added to the hole and the hole was deemed suitable to continue. The shallow test passed the minimum County requirements. ' 6.5 The test conformed to SJC Policy EH 02-02(correct depth, diameter,2" gravel,6"water refill,correct readings recorded). The percolation test conformed to San Joaquin County Policy tEHD 02-02. 6.6 Complete Percolation Test Form (including readings) was provided with REHS ' verification signature. The rate was correctly calculated using the last reading. See Appendix for Test Results Form. ' Shallow Test(s) TEST HOLE PERCOLATION RATE 1 (Parcel 1) 15 Min/In *See Results in Appendix. 3 1