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Y <br />HORIZON ENVIRONMENTAL JBC. ` <br />5011 Golden Foothill Parkway, suite 7 Monitoring Well N0. MW -1 <br />El Dorado Hills, California 95762 9 <br />(916) 939-2170 --• Fax: (916) 939-2172 <br />Drilling Company: Gregg�rillina Project No.: j192.12 <br />Date Drilled: 712 1 Site: ZE AutoRet?air <br />Drilling Method: hpllpw•-stem auger Location, Stockton, CA <br />Sampling Method: cgre barrel Geologist: Craig Roth <br />m m <br />n G <br />d <br />;:3 <br />z <br />CL <br />CEa <br />m <br />Q <br />L) <br />R <br />°� <br />c <br />= <br />n <br />ay <br />o <br />m <br />u <br />� <br />n <br />b <br />M <br />m_ <br />m C <br />� – <br />- <br />Soil Description/ <br />Comments <br />Well <br />Construction <br />31 <br />._ <br />48 <br />24 <br />-- <br />31 <br />SANDY SILT (ML):brown, very fine sand, well- neat cement, <br />sorted, stiff, moist, odor <br />32 <br />bentonite <br />33 <br />35 <br />35 <br />48 <br />48 <br />2856 <br />34 <br />35 <br />SILT (ML): brown, trace very fine sand, firm to stiff, lean, moist, <br />odor <br />— <br />36 <br />37 <br />38 <br />- <br />40 <br />39 <br />48 <br />48 <br />) 872 <br />39 <br />40 <br />SILT (ML): brown, firm to stiff, lean, moist, odor #3 sand— <br />_ <br />SAND (5P): brown, very fine sand, loose, moist, odor <br />43 <br />42 <br />43 <br />48 <br />48 <br />2147 <br />43 <br />-- <br />44 <br />2" diameter PVC <br />ns <br />45 <br />0.020" -slot screen <br />- <br />SILTY SAND (SM): olive brown, very fine sand, medium <br />. <br />46 <br />dense, moist, odor <br />47 <br />-- <br />48 <br />48 <br />2645 <br />47% <br />48 <br />r <br />49 <br />SAND (SP): brown, very fine sand, loose, wet, odor <br />50 <br />5D <br />- <br />51 <br />_ <br />q$ <br />4$ <br />2$51 <br />51 <br />52 <br />SANDY SILT (ML): gray, stiff to very stiff, lean, low plasticity, <br />moist, odor <br />— <br />— <br />53 <br />. <br />54 <br />SANDY SILT (ML)_ gray, stiff.to very stiff, lean, low plastic, moist, <br />- <br />55 <br />55 <br />- - <br />48 <br />48 <br />2600 <br />55 <br />odor <br />:. <br />TD = 55' <br />56 <br />57 <br />58 <br />59 <br />6 <br />60 <br />MW -1: Page 2 of 2 <br />