Laserfiche WebLink
Date Start/Finish: 05/17/2012 Latitude: 37.6729986 Well ID: B_2 <br /> Drilling Company: Greg Drilling&Testing Inc. Longitude: -122.0858501 Client: Chevron <br /> Driller's Name: 9 <br /> Casin Elevation: NA Environmental <br /> Drilling Method: Direct push/Sonic Total Depth: 78 ft bgs p g Location: 898 A Street <br /> Rig Type: Mito Rotary Drill Rig Hayward,CA <br /> Sampling Method: 6.5 inch Core Barrel Logged By: Loretta Kwong <br /> Reviewed By: Jacob Henry,P.G. Project Number: B0047298.2012.00003 <br /> E <br /> ID <br /> a <br /> m W <br /> _ m 3 m a Lithologic Description Well Construction <br /> y M <br /> o c = N o <br /> a p O <br /> m <br /> U <br /> J d <br /> 0 <br /> HA Asphalt <br /> ML Asphalt AA <br /> ML <br /> AAAAA <br /> Hand auger to 8 ft bgs. AAAA <br /> At 4"bgs to 4'bgs AAAA A <br /> SILT(ML)with some clay with trace sand,moist,low plasticity,fine- AAAAA <br /> 02 grained sand,very dark brown(10YR 2/2),no odor,(0,10,70,20) A A A <br /> A A A A A <br /> AAA AA <br /> 1.7 AAAA A <br /> AAAA A <br /> AAAA A <br /> 1.6 At 4'bgs to 8'bgs A A A A A <br /> SAA,dark brown(10YR 3/3) A A A A A <br /> 5 AAAAA <br /> 2.3 AAAAA <br /> A A A A A <br /> 2.5 AAA <br /> AA <br /> AAAAA <br /> AAAAA <br /> AAAA <br /> A <br /> A <br /> 3.4 AA <br /> AA.- <br /> A . <br /> 1.8 Al 8'bgs to 11'bgs <br /> SAA,dark yellowish brown(10YR 4/4) ^AA' <br /> AAAA <br /> 3' 2.6 nAAA <br /> AAI, fr <br /> •, <br /> oring grouted <br /> 10 3-2-S-10' AAAAA from total depth <br /> @0810 A A A A A to the ground <br /> A A A A A surface <br /> A A A A A <br /> AAA AA <br /> A A A A A <br /> AAAAA <br /> AAA <br /> AAA! <br /> 02 At 13'bgs to 14.5'bgs AAAA^ <br /> 1.5' Sandy SILT(ML),with trace clay, moist,low plasticity,fine-grained AAAAA <br /> sand,dark yellowish brown(10YR 4/4),no odor,(0,25,70,5) n n <br /> AA n n <br /> A A A A A <br /> A A A A A <br /> 15 <br /> A A A A A <br /> AAAAA <br /> AAAAA <br /> AA <br /> AAAA A <br /> A A A A A <br /> A A A A A <br /> A A A A A <br /> L'AA <br /> At 19.5'bgs to 23.5'bgs,SAA <br /> 20 <br /> Remarks: bgs=below ground surface;NA=Not Applicable/Available;AMSL=Above Mean Sea <br /> Level. <br /> I Hand auger to 1l bgs. <br /> ARCADIS <br /> Direct push to total depth. <br /> ;ifri_-r u, ,:c ;l,ri c! c .,'�.r'. r�•'��r i�::. . Horizontal Datum=NAD 83 <br /> Vertical Datum=NAVD 88 <br /> Project: B0047298.2012.00003 Page: 1 of 4 <br /> Data File:boring Geoprobe 2007 analytical USCS-GEMCOR C1-1.dat Date: 6/22/2012 Data Entry by: Sheida Kalbassi <br />