Laserfiche WebLink
Wright Environmental Services . Tracy, CA Eks-atory Boring Log <br /> Project No. 4062R Boring/Well No. VW-2 Well Installed: 2" dia. Sch 40 PVC <br /> Client:Linden School District Date Drilled: July 28, 1995 Total Depth: 31.5';Casing Depth: 30' <br /> Location: 7007 Pezzi Rd, Stockton, CA Logger. CMP Screen: Length and Size: 20' of 0.10" <br /> Drilling Method: 8" OD Hollowstem Driller. Spectrum Top of Sand Pack: 8 ' Sand Size: pea gravel <br /> Permit: PHS/EHD #005750 Top Bentonite: 6' Cement Grout Seal: 6' to V <br /> Water Levels: 1st Enc: None Static: - Surface vault box <br /> Sample Blow Depth <br /> a Borehole <br /> No. OV Count {ft) Lithology Log Completion <br /> Asphalt and sub rade <br /> ML - Sandy SILT dark reddish brown 5YR3/4, fine sand to 30% and wAAAA AAAAAA <br /> wwwA wAwAw <br /> disseminated, drills stiff, damp. A AA <br /> AAwwA <br /> A A A wAAAAw <br /> 5 www <br /> VW-2-1 66 push same as above, drills stiff. <br /> 0. <br /> r•r r•r•r <br /> 10 <br /> vw-z-z 60 push same as above, rare rootholes and caliche, sand decreases to 20%, ryr <br /> very stiff, damp. Ulu <br /> r•r r•r•r <br /> driller calls chane at 14 feet. r.r r•r•r <br /> g r.r r.r.r <br /> r�J J 1 l <br /> 15 rr rrr <br /> vw_z s 82 push ML - Sandy SILT, dark redish brown 5YR3/4, 40% sand dissiminated ti-r r <br /> caliche, very weak petroleum odor, drills very stiff, damp. <br /> �J•r r•J•l <br /> �r 1 r•f•r <br /> l•l r•r•r <br /> wr.f ri.r <br /> l l J r�J <br /> 20 r•i r.r.r <br /> same as above, cobwebby caliche, drills stiff, damp. J <br /> vw-2-4 30 43 <br /> ti:U r;^rr <br /> Y� r{rrti <br /> VY r�1^ <br /> r•r r•r•r <br /> YJr r1r <br /> Yr•r r.f:�r <br /> 25 w J++r <br /> r•r r•r•r <br /> VW-2-5 80 push same as above, drills stiff, slight odor, damp � r <br /> r•r r•r•r <br /> r�J J r�J <br /> stir r��r <br /> ti=tir �tiJ <br /> •r•r r•r.r <br /> SP - SAND brown 10YR4/3 well sorted fine sand weak odor ;wr, J <br /> VW-2-6 110 3 3 i i , <br /> caliche infilled rootholes, medium dense, damp. ;^) <br /> Bottom of Boring = 31.5 feet <br /> Note: Ambient OV varies from 3 to 0 ppm, <br /> ND--none detected <br /> Reviewed by CEG <br />