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f <br /> GROUND ZERO ANALYSIS LOG OF BORING DB-1 <br /> PROJECT KN WLES HAMMER LOCATION 1140 WEST HAMMER LANE STOCKTON CA PROJECT NO 95-013 <br /> DATE DRILLED 06129/98 LOGGED BY JEANNE BVCKTHAL REVIEWED BY JOHN P LANE REG No 6795 <br /> DRILLING COMPANY FISCH ENVIRONMENTAL DRILLER DAVE FISCH/RICK BERTOLINO METHOD DIRECT <br /> BORE HOLE DIAMETER 2 IN DEPTH DRILLED 54 FT DEPTH TO WATER INITIAL N1A Fl STATIC NM_ _FT <br /> CASING TYPE NA DIAMETER IN SCHEDULE INTERVAL FT TO FZ <br /> SCREEN TYPE NA DIAMETER IN SLOT SIZE IN INTERVAL FT TO ET <br /> FILTER PACK TYPE NA INTERVAL FT TO - - --FL <br /> SURFACE SEAL TYPE NEAT CEMENT INTERVAL O FT TO 54 FT <br /> COMMENTS PAGE 1 OF-2- <br /> WILL <br /> F_ -WELL DEPTH FID SAMPLE ID U S C DESCRIPTION <br /> DETAIL FT PPMBLOWCOUNT LOG <br /> 2 0-205 LEAN CLAY (CL) <5% FN SND <1% FN GRVL >95% FNS, <br /> N-SLW DLTNCY M TGHNSS L PLST DRK URN V SL PO 0 20 DRY <br /> (NATIVE BACKFILL) <br /> 4 <br /> 6 <br /> 8 <br /> CL <br /> 10 0 (Hoon rill) <br /> 12 <br /> —14- <br /> 16- <br /> -18- <br /> 20 <br /> 4161820 <br /> 20 5-30 5' POORLY GRADED GRAVEL (GP) <57 FN SND >907 FN A- <br /> R PRLY GRDD GRVL <5% FNS LT CRY NPO, DRY <br /> 22 (NATIVE BACKFILL) <br /> 24 <br /> GP <br /> 26 (Notre F111) <br /> —23- <br /> 30- <br /> 830 305-31/34 POORLY GRADED SAND (SP) >95% FN PRLY GRDD SND <5% FNS, <br /> 8 <br /> SP CRY SL-M PO DRY <br /> (No+Ire Fill) (NATIVE BACKFILL) <br /> 32 <br /> 31/34-46/7' SILT (ML) <5% FN SND >95% FNS SLW DLTNCY L TGHNSS <br /> 34 <br /> S-DBI-355 N-L PLST URN M-STRNG PO DRY TO MST MST BEGINNING -44 <br /> 36 10 000+ <br /> ML <br /> 38 <br /> 40 <br />