Laserfiche WebLink
GROUND ZERO ANALYSIS LOG OF WELL VW 1 a/ . 1 b <br /> � <br /> OJECT LOCATION PROJECT NO. - 400 <br /> TE DRILLED 11/27/01 LOGGED BY SEAN GARVEY REVIEWED BY JQJHN P. LANE RG No. 6795_ <br /> DRILLING COMPANY Vac W DRILLER AMADOR_ARROYO METHOD HOLLOW STEM AUGER <br /> BORE HOLE DIAMETER 10 IN DEPTH DRILLED _ 42 FT DEPTH TO WATER : INITIAL N.A. FT STATIC N.A. FT <br /> CASING TYPE PVC _ DIAMETER 2 IN SCHEDULE 40 INTERVAL VW1A 0-23 FT ; VW18_0-30FT <br /> SCREEN TYPE pvC DIAMETER 2 IN SLOT SIZE _ 0.10 IN INTERVAL VWIA 23-26 EL, VW1B 38-42FT <br /> FILTER PACK TYPE PEA GRAVEL INTERVAL VW1A 22-27 EL; VW18 37-42FT <br /> SURFACE SEAL TYPE NEAT CEMENT GROUT OVER BENTONITE INTERVAL –0-22 FT <br /> COMMENTS:_HYDRATED BENTONITE 19-22 FT k 27– 37 FT PAGE_L_OF__2_ <br /> WELL DEPTH PID SAMPLE 10 U.S.C. DESCRIPTION <br /> DETAIL FT. PPM BLOWCOUNT LOG <br /> 0.6/9.5' SILTY SAND; 70-75%, FN—M, A—SR, WELL GRD'D. <br /> SAND, <br /> 25-30% FINES <br /> 2 LOOSE, SRN; NPO; DRY; <br /> SM <br /> 4 <br /> 3 i <br /> ND 4 <br /> s 5 <br /> 6/9.5-11/14.5'SILT WITH SAND 15-20% FN—M A—SR, WELL GRD'D. <br /> SAND; 80-85% SINES, N 'DRY ST�'N.. R DLTNCY; L TOUGHNESS: <br /> 8 N PLST; DENSE; BRN; NPO, DRY; <br /> 10 11 <br /> ND 28 ML <br /> 30 <br /> 12 11/14.5-15' LEAN CLAY; <5%, SND, <br /> >95% FINES; M—H DRY STR'N., N—SLW DLTNCY; M—H TOUGHNESS; <br /> M—H PLST; HARD; BRN/GRY; NPO; MST; <br /> CONTACT 0 15' <br /> 14 CL <br /> 2fi <br /> ND 50/3 15-20' WELL GRD'D SAND: >95%, FN–M, A–SR, WELL GRD'D SND, <br /> _ 16 <5% FINES; <br /> MED. DENSE; BRN; NPO; MST; <br /> SW <br /> 18 <br /> GTVW1-20 <br /> 20 <br /> 16 <br /> NO 25 ML 20'-21'/24.5'SILT; 5-10%, FN—M, A—SR SND; <br /> 90-95% FINES; N DRY STR'N., R DLTNCY; L TOUGHNESS; <br /> N PLST; HARD; BRN; NPO; MST; <br /> _22- <br /> 21/24.5-26/29.5' LEA <br /> 221/24.5-26/29.5' LEAN CLAY; 5-10%, FN—M, A—SA SND; <br /> 90-95% FINES, M—H DRY STR'N., N—SLW DLTNCY; M—H TOUGHNESS <br /> 24 M—H PLST; VERY STIFF—HRD, BRN; NPO; MST; <br /> GTVW1-25 <br /> 12 <br /> ND 15 CL <br /> 26 50/4 <br /> 26/29.5-31/34.5'WELL GRD'O SAND; >95%, FN—CRS, A—SR, WELL GRD'D SND. <br /> <5% FNS <br /> 28 DENSE; BRN; NPO; MST; <br /> GTVW 1-30 <br /> 30 12 <br /> ND 20 SW <br /> 25 <br /> 31/34.5-36/39.5WELL GRD'D SAND W/ CLAY; 90-95%, FN–CRS, <br /> 32 A–SR, WELL GRD'D SND. <br /> 5-10% FINES; <br /> MED. DENSE; BRN; NPO; MST; <br /> 34 GTVW1-35 <br /> ND 6 SW—SC <br /> 36 9 36/39.5'-42.5' SILT; <5%, FN, A SND; <br /> >95% FINES; N DRY STR'N., R DLTNCY; L TOUGHNESS; <br /> N PLST; VERY STIFF; CRY; SL ODOR, MST; <br /> 3B �I <br /> ML <br /> 40 fi � <br />