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• <br /> • <br /> • PERCOLATION TEST DATA SHEET • <br /> "C. a.m.) <br /> Percolation test readings made by Steven B. Schirmers on 5-20-87 .starting at 10 : 51 p.m. <br /> (dua) <br /> Test hole locationLotl.B1k :1,Colwell Add. ,c i nber 4 ,Date hole wasprepared 5-19-87 • <br /> Depth of hole bottom 18 inches,Diameter of hole 6 inches <br /> Soil data from test hole: <br /> . Depth, inches Soil texture <br /> 0 — 12" Topsoil dark brown loam <br /> 12" — 18" Brown loam <br /> Method of scratching sidewall Knife <br /> Depth of gravel in bottom of hole 2 inches <br /> •00 .m. <br /> Date and hour of initial water filling 5-19-87,Depth oi initial water filling 12 inches above hole bottom ----' <br /> Method used to maintain at least 12 inches of water depth in hole for at least 4 hours Automatic siphon <br /> • ,Maximum water depth above hole bottom during test 6 inches _ — <br /> i <br /> Time • Percolation <br /> Time I interval,' Measurement, Drop in water rate, Remarks <br /> • minutes inches level,inches minutes per <br /> inch <br /> 10 : 39 prefill 6 <br /> 10 : 51 11: 21 4-5/16 7.0 30 min <br /> 11: 22 11: 52 ' 4-1/8 7. 3 a <br /> 11: 59 12 : 29 • II <br /> • <br /> Percolation rate = 7. 2 ._minutes pGr inch. <br />