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ti <br /> GROUND ZERO ANALYSIS LOG OF BORING SB2 <br /> PROJECT GARBARD LOCATION 640 NORTH EL DORADO STREET. STOCK70N CA PROJECT NO 256 <br /> DATE DRILLED 01/19/99 LOGGED BY SEAN GARVEY REVIEWED BY JOHN P. LANE RG No. X759 <br /> DRILLING COMPANY FISCH ENVIRONMENTAL DRILLER RICK BERTOLINO METHOD DIRLCT PUSH <br /> BORE HOLE DIAMETER 2 IN DEPTH DRILLED 31 FT DEPTH TO WATER INITIAL 23 FT STATIC _. 12 FL <br /> CASING TYPE NA DIAMETER IN SCHEDULE INTERVAL FT TO FT <br /> SCREEN TYPE NA DIAMETER _1N SLOT SIZE 1N INTERVAL FL TO FT <br /> FILTER PACK TYPE NA INTERVAL FT TO FT <br /> SURFACE SEAL TYPE NEAT CEMENT INTERVAL FT TO FT <br /> COMMENTS PAGE I OF__l— <br /> WELL DEPTH PID SAMPLE ID U S C DESCRIPTION <br /> DETAIL FT) (PPW) BLOWCOUNT LOG <br /> 0-3 CONCRETE <br /> 2 3 -6/9 ELASTIC SILT (MH) 5% FN A PRLY GRDD SND 95% FNS, <br /> SLW DLTNCY L-M TGHNSS L PLST DIRK BRN NPO DRY-MST <br /> 4 MH <br /> 0 <br /> 6 <br /> 6/9-11/14 CLAYEY SAND (SC) 857 FN SA PRLY GRDD $NO 157 FNS <br /> SLW DLTNCY M TGHNSS L-M PLST TAN NPO DRY-MST <br /> 8 <br /> GASB2-10 <br /> 10 0 <br /> Sc <br /> 12 <br /> 11/14-21/24 SANDY CLAY (CL) 50% FN A PRLY GRDD SND 50% FNS <br /> 14 SLW DLTNCY M TGHNSS M PLST TAN-BRN NPO DRY-MST <br /> 2 <br /> 16 <br /> 18 <br /> GASB2-21 <br /> D CL <br /> 20 <br /> 22 <br /> 21/24-26/29 FAT CLAY (CH) 57 FN A PRLY GROD SND 95% FNS <br /> 24 N DLTNCY H TGHNSS N-H PLST TAN NPO MST-WET <br /> O CH <br /> —26- <br /> -28— <br /> GASB2-31 <br /> 0 SW 29/305-305 WELL GRADED SAND (SW) 100% M-CRS SA-SR W GRDD <br /> 30 SND 8RN-GRY, WET <br /> 0 CL 305-31 LEAN CLAY (CL) 57 FN A PRLY GRDD SND 95% FNS <br /> N-SLW DLTNCY M-H TGHNSS M-H PLST TAN NPO WET <br /> 32— <br /> D GE�10 <br /> 34 <br /> JOHN P u'{ <br /> 36r_, Al <br /> p r � p <br /> No 6195 <br /> L�� Q <br /> 38- <br /> 40-- <br /> 8 40 <br />