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TMC ENVIRONMENTAL, INC- Boring Log B-1 page 2 of 3 <br /> CLTENT:wiggins & Associates Date: 6-24-91 <br /> Site: 4555 N. Pershing Ave. <br /> Vocation: Stockton CA Job No: 309101 <br /> iller: Aqua Sci. Engineers Driller <br /> License No: C57 487000 <br /> Method: B-61 Sampler <br /> [follow Stem, Continuous Flight Type: Cal. Modified split Spoon, 2--1/2" OD <br /> Auger; 311I.D. 7 OO.D. 14Q Lbs Q 3011 drop <br /> Samples Agency: San Joaquin County Health Dept. <br /> Logged inspector: Mike infurna <br /> b MAF MTY CEG 1380 <br /> Sample Sample Blows Depth - US <br /> No. <br /> Depth foot Feet CS DB5CrI tion of Soils <br /> (Feet) 16 <br /> 17 Clayey very fine SAND, some silt; Brown <br /> B-1-6 17 - 64 SC with some red-orange mottles; Moist; <br /> 17-1/2 Friable; Low plasticity; No odor or <br /> staining; 100% sample recovejy; Vapor <br /> reading - 0 ppm <br /> 18 Very fine SAND, some silt and clay; Grey- <br /> 18-1/2 68 SW Brown with some mottles; Moist; Friable; <br /> - 19 Low plasticity; No odor or staining; <br /> 100% sample recovery; Vapor reading - <br /> 0 ppm <br /> 19 <br /> f, <br /> 20 <br /> B-1-8 20- Clayey fine SAND; Grey-Brown; with some <br /> 20-1/2 80 SC grey-orange mottles; Moist; Firm; Medium- <br /> Nigh plasticity; No odor or staining; <br /> 100% recovery; Vapor reading - 0 ppm <br /> 21SC Clayey fine SAND; Olive-grey staining; with <br /> B-1-9 21-1/2 64 some grey-orange mottles; Moist; Firm; <br /> -22 Medium-High plasticity; No odor; 100% <br /> recovery; Vapor reading - 0 ppm <br /> 22 <br /> rr 23 SW Fine and medium SAND; Grey-Brown with <br /> B-1--10 23- 66 olive-grey mottles; Moist; Friable; lion <br /> 23-1/2 plastic; Slight odor and staining; <br /> 100% recovery; Vapor reading - 0 ppm <br /> ',< lpth to Initial Static Elevation (MSL) <br /> Ground Water: <br /> Total Depth of IType of Backfill/ Type 11 Portland Well/Boring <br /> Boring Well: Sanitary Seal: Cement Permit No: 91-:1435 <br />