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PROJECT:Tidewater Stockton WELL/PROBEHOLE/BOREHOLE N0: A.- <br /> LOCATION:West Weber Avenue,Stockton, CA <br /> PROJECT NUMBER:211403021.300.150 DP-22 PAGE 2 OF 3 s <br /> DRILLING/INSTALLATION: NORTHING(ft): EASTING(ft): <br /> STARTED 8/23/10 COMPLETED: 8/30/10 LAT LONG: <br /> DRILLING COMPANY:Gregg Drilling GROUND ELEV(ft): TOC ELEV(ft): <br /> DRILLING EQUIPMENT:CPT/MARL INITIAL DTW(ft):20 WELL DEPTH(ft):61.0 <br /> STATIC DTW(ft):Not Encountered BOREHOLE DEPTH(ft):61.0 <br /> DRILLING METHOD:Direct Push WELL CASING DIA.(in):--- BOREHOLE DIA.(in):2 <br /> SAMPLING EQUIPMENT: LOGGED BY:AH CHECKED BY:DS <br /> U <br /> 'D U <br /> aE Q)2 a a o U Description E Sample ID N ° °' o � ��"– a°' Borehole <br /> c�J p rn Method �� m j a 2 o�' Backfill <br /> 2 <br /> ML At 25'bgs;same as above. <br /> 1035 1.5 <br /> 48.8 <br /> ■ <br /> ■ <br /> ■ 1045 0.25 <br /> ■ 293 <br /> ML SILT;ML;(5GY 4%1)dark greenish gray;soft; ■ 1055 784 <br /> saturated;strong odor;no to low plasticity; <br /> (O%G,5%S,95%F). ■ 1.5 <br /> At 28.5'bgs;same as above;wet. ■ 1055 1,237 <br /> 30 ■ 30 <br /> ■ 1 <br /> ■ <br /> ■ 1105 Neat Cement <br /> ■ DP-22 @31' 1,226 <br /> GS 1 <br /> ■ 1110 <br /> At 32.5'bgs;same as above;low plasticity. 1,129 <br /> ■ 0.25 <br /> ■ - <br /> _ __ ■ 1120 <br /> ML SANDY SILT;ML;(( --- —10GY 4/1)dark greenish ■ 363.4 <br /> gray;non plastic;very soft;wet;strong odor; <br /> 35 (0%6,45%S,55%F). 0 1230 1.25 35 <br /> SW WELL-GRADED SAND;SW;(10Y 4/1)dark ■ DP-22 1,141 <br /> greenish gray;medium-grained;very loose; j @GS5 1.40 <br /> saturated;subangular;well graded;(O%G, ■ <br /> 85%S, 15%F);trace of fine sand. ■ 1240 641 <br /> At 37'bgs;same as above;visible sheen <br /> present. <br /> � 1250 1.25 <br /> __ ■ DP-22 @38' 1,363 <br /> F ••• ML SANDY SILT;ML;((5G 4/1)dark greenish GS <br /> gray;low plasticity;firm;wet;strong odor; ■ <br /> N (O%G,35%S,65%F);visible sheen present. 1301 1.5 1,340 <br /> 0 40 ■ 40 <br /> w ■ <br /> a 0 <br /> At 41.5'bgs;same as above. ■ <br /> ° ■ <br /> z � 1 <br /> "' ■ 1325 <br /> U DP-22 @43' 682.6 <br /> a SW- WELL-GRADED SAND WITH SILT;SW-SM; ■ GS 1.25 <br /> SM (10GY 3/1)dark greenish gray;very loose;wet; <br /> aweak cementation;subrounded;well graded; 1337 802 <br /> 45 ; strong odor;(0%G,75%S,25%F);visible sheen j 45 <br /> CL present. 1.5 <br /> o ■ <br /> = 1354 <br /> D :: SP POORLY GRADED SAND WITH GRAVEL; <br /> ■ 6.1 <br /> SP;(10GY 3/1)dark greenish gray;very loose; 1.5 <br /> wet;weak cementation;angular;poorly graded; ■ 1405 <br /> N strong odor;(15%G,80%S,5%F);visible sheen ■ DP-22 @47' 3.0 <br /> $ present. GS <br /> M ■ 1420 0.5 <br /> ■ 9.2 <br /> ° CL LEAN CLAY WITH SAND;CL;(10GY 4/1) ■ 1425 12.3 <br /> dark greenish gray;medium plasticity;firm; 1 <br />