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HORIZON ENVIRONMENTAL INC. <br /> 5011 Golden Foothill Parkway, Suite 7 <br /> Ei Dorado Hills California 95762 Monitoring Well No _ ._ MW-1 <br /> (916) 939-2170 -- Fax (916) 939-2172 <br /> Drilling Company Qrega Drilling Project No7� 92 12 <br /> Date Drilled 7122103 Site ZE Auto Rep <br /> Dnllrng Method hollow-stem auger Location Stocktgn, CA <br /> Sampling Method core bqrrgl Geologist Craig Roth <br /> d <br /> s o �, �, Soil Description/ Well <br /> az z � ° n z Comments <br /> c y m m c a' Construction <br /> E U � c <br /> u <br /> U) c <br /> 31 --- 4$ 24 3s SANDY SILT (ML) bro,%n very fine sand well- neat cement <br /> sorted, stiff moist, odor <br /> 32 bentonite <br /> 33 <br /> 34 SILT (ML) brown trace very fine sand,firm to stsff, lean, moist <br /> 35 35 --- 48 48 285e 35 odor <br /> 36 <br /> 37 <br /> 38 <br /> 39 <br /> 40 39 --- 48 48 1872 40 SILT(ML) brown firm to stiff lean moist odor 43 sand _ <br /> (� 41 SAND (SP) brown very fine sand loose moist odor <br /> 42 <br /> 43 -- 48 48 2147 43 <br /> 44 2 diameter PUC <br /> 0 020 -slot screen <br /> 45 45 <br /> SILTY SAND (SM) olive brown, very fine sand medium <br /> 46 dense, moist, odor <br /> 47 --- 48 48 2645 47 <br /> 4s <br /> 49 SAND (SP) brown very fine sand loose, wet odor <br /> 50 50 <br /> 51 -- 4$ 48 2$51 5f SANDY SILT (ML) gray stiff to very stiff lean, low plasticity <br /> moist, odor <br /> 52 <br /> 53 <br /> 54 SANDY SILT (ML) gray stiff to very stiff, lean, low plastic moist, <br /> 55 55 -- 48 48 2600 55 odor <br /> TD = 55' <br /> 56 <br /> 57 <br /> 58 <br /> 59 <br /> 60 <br /> MW-1 Page --Z- of—2- <br />