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Wright Environmental Services;..;1c. Tracy, CA Ex 'story Boring Log pg 3 of 4 <br /> 0 <br /> Project No. 4062R Boring/Well No. MW-1 Well Installed: 2" dia. Sch 40 PVC <br /> Client:Linden School District Date Drilled: July 28, 1995 Total Depth: 119.5';Casing Depth: 118' <br /> Location: 7007 Pezzi Rd, Stockton, CA Logger. CMP Screen Length and Size: 20' of 0.020" <br /> Drilling Method: 8" OD Hollowstem Driller: Spectrum Top of Sand Pack: 96 ' Sand Size: 2/12 <br /> Permit: PHS/EHD #005750 Top Bentonite: 93' Cement Grout Seal: 93' to 1' <br /> Water :Levels: 1st Enc: 105' Static: 104.35 Surface vault box <br /> @8:21 am 7/28/95 <br /> Sample Blow a Depth Borehole <br /> No. OV Count E (( } Lithology Log Completion <br /> uj <br /> Mw-,-,gND 60 80 Interbedded ML/SP - Sandy SILT and SAND gray to grayish brown <br /> 2.5YR5/2, SP-fine sand 95%, silt 5%, massive micaceous; ML- <br /> and 20%, silt 70%, clay 10%, sand disseminated, massive, <br /> Very dense to hard, damp;interbeds repeat each 2-inches. <br /> 85 <br /> SM - Silty SAND brown 10YR4/3E , 70% fine sand, up to 30% <br /> Mw-'-17 ND 33 mixed silt and mica, oxide mottling, massive dense, damp. <br /> w"ww <br /> I <br /> 90 <br /> Mw-1-1e ND 45 "w~ <br /> SP - SAND yellowish red 5YR 5/6, dine sand very well sorted "."w <br /> and clean, massive, dense, damp. <br /> 95 <br /> Mw-a-tis ND 37 ML - Clayey SILT, light olive brown 2.5YR 5/4, fine sand <10%, <br /> day 20%, dissmeinated, black mottling, massive, hard, damp. <br /> k 100 <br /> Mw-1-20 ND 43 same as above, contains thin SP interbeds, laminated with <br /> distinct contacts, oxide mottling, hard damp. <br /> 105 <br /> Mw-'- 3 30 SP - SAND, varigated and gray, fine to medium sand 95%, fines <br /> <5%, massive dense, saturated. <br /> 110 - <br /> - - flowing, no sample <br /> 115 <br /> flowing, no sample <br />