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CERT. 400627 <br /> Percolation test rcat'ings nru:4 h S—P Testing, Inc . 1-14-92 12 : 34 <br /> _. or starling at _nt <br /> •Tc,ct ho'... location 2145 Watertown Rd. l lole number 3 , Date hole was prepared 1-13-92 <br /> Depth of hole bottom 12 inches, Diameter of*hoie <br /> Soil data from test We: <br /> Depth, inches Suii texture <br /> 0 - 12" Topsoil dark brown loam <br /> Mcthod of scratching sidewall Knife <br /> Doth of gravel in bottom of hole 2 inches <br /> 1-13-92 11 : 30am 12 <br /> Date rnd hour of initial water filling , Depth of initial water filling 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 watt depth above hole bottk,ni during test 6 inches <br /> ! <br /> Time i Percolation <br /> Tivie ! internal, i Measure:;ent, Drop in water rate, remarks <br /> ! <br /> minutes I inches level, inches ( nunutes per <br /> inch I <br /> 12: 22 prefill 6 <br /> 12:34 1 :04 ' 3-1/4 9 . 2 30 min <br /> 1:05 1: 35 _ to 3-3/16 9 . 4 to of <br /> 1: 41 2: 11 " ; 3-1/16 9 . 8 " of <br /> I <br /> Percolation rate = 9 . 5 minutes per inch. <br />