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Boring Number, MW-2HORIZON ENVIRONMENTAL INC. <br />' Job Number 1641 13 <br /> Site Location Beacon 0541, Stockton, CA <br /> Drilling Company Woodward Drilling Drilling Method 8-inch Hollow Stem Auger <br /> Drilled By Erik, Amador & Ryan Sampling Method Split--Spoon Sampler <br /> Date Drilled 09/15/97 Total Depth 75 Feet <br /> Logged By L Smith Depth To Groundwater 555 Feet <br /> L <br /> L N <br /> �O+ <br /> O <br /> C O C <br /> CU <br /> Soil ac <br /> Well <br /> Comments <br /> a o Description 1o r n Constructionm <br /> E m <br /> o aai <br /> a <br /> — a <br /> 0 9 r. <br /> j' 14 18 18 0 SANDY SILT yellowish—brown very line— ML <br /> 31 y 20 31 grained sand, moist hard low plasticity <br /> • Cooing Installation Data <br /> 32 32 = 2—inch PVC <br /> •., 0 020—inch screen <br /> 33 33 <br /> 34- <br /> 34- <br /> 35— <br /> 4 34 35 35 ,'+ •, <br /> u� 6 <br /> 36 14 11 18 0 SILTY CLAY light greenish—gray, moist. CL <br /> 18 36 very staff, low plasticity <br /> 37 37- <br /> 38- <br /> 39— <br /> 738 39 39 ,. <br /> 40 440 <br /> �/� • . <br /> �j 5 18 18 0 CLAY, brownish—black highly organic, OH • <br /> 41— an 7 41 moist staff, high plasticity •+` <br /> i <br /> i <br /> 42 42 <br /> 43 43-- <br /> 44 44 •• <br /> •i,� <br /> 45 45 <br /> w 19 16 12 6 SAND coarse—grained occasional clay 5C <br /> *6— <br /> fi y 40 46 lens, yellowish—brown, moist, very dense <br /> 47 47- <br /> 48— 48 <br /> 49 49 — <br /> 50 5o <br /> 12 <br /> 51 I 21 18 18 10 51 Occasional gravel very moist dense <br />' 52 52- <br /> 53— <br /> 2 53 53-- <br /> 54 <br /> 3 54 54- <br /> 55— 55 —_ <br /> 21 18 18 23 SILTY SAND, fine— to medium—grained, — <br /> 56 vi 28 36 wit, dense SM — <br /> 57 57 <br /> 58 58- <br /> 59— 59- <br /> 60 BO — <br /> (Boring Continued On Next Page) Page 2 Of 3 <br />