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Hfl�lC�'-�tfR1YfA Boring/Well Construction Log 09WEEFRNG AND EAMRONNFW4 SFR"MS Boring/Well No MW-2 x°'"301 W GRANTLINE ROAD DRILUNG COMPANY Project Name CITY OF TRACY SPECTRUM ORILUNC METHOD 5 DRILL BIT(S) SZE roject Number 10101 HOLLOW SOLATON NRM AUGER 8-INCH ELEVATION AND DATUM TOTAL DEPTH NONE NOT MEASURED 21 5 BLANK CASING FROM TO FT DATE STARTED DATE COMPLETED 2-INCH SCH 40 PVC 0 5 10/07,/93 10 07 93 PERFORATED CASING FROM TO F7 STArC WATER ELEVATION 2-INCH SCH 40 PVC, W/ 0020-INCH SLOTS 5 20 6 1 FEET SIZE AND TYPE OF FILTER PACK FROM TO FT LOGGED BY LONESTAR 2 X 12 4 21 5 DENNIS NAKAMOTO SEKFT SAMPLING METHODS WELL COMPLETION BENTONITE PELLETS FROM 3 TO 4 CALIFORNIA MODIFIED ® SURFACE HOUSNG GROUT FROM TO FT SPLIT SPOON ❑ STAND PIPE FT CEMENT BENTONITE 0 3 PLES SAMPLE OVA FEWDEPTH BORINC/MIELL CONSTRUCDON SC LRHDLOGY SIMPLE DESCRIPTION AND DRILLING REMARKS NUMSFA � 1 CEMENT LAWN AREA - BROWN SILTY CLAY, SLIGHTLY MOIST _ _ PLASTIC, NO PETROLEUM ODORS, OVA = 0 PPM BENTONITE �t: - GROUT BENTONITE - PELLETS 3 AV SILTY CLOY - BROWN SILTY CLAY, SLIGHTLY MOIST, 1112 0 g 5 5 - PLASTIC, NO ODORS, OVA = 0 PPM 8 2-INCH = SCH 40 PVC -- BLANK CASING SCH 40 PVC 3 0 02-INCH SLOT = SILTY CLAY - BROWN SITLY TO FINE GRAINED SANDY 1113 0 9 10 WELL. SCREEN 10 -_ CLAY, MOIST, PLASTIC, NO PETROLEUM ODORS, 8 _ OVA = 0PPM r W 7 LAPIS LUSTRE SANDY CLAY - LIGHT BROWN, FINE GRAINED SANDY -1114 g 1$ 1C FILTER 15 CLAY, WET, SEMI-PLASTIC, NO PETROLEUM ODORS, 13 PACK - OVA = 0 PPM } 8 SAND - COARSE GRAINED SAND, ROUNDED TO 1115 14 20 0 SUBROUNDED GRAINS, WET 26 PVC END CAP 25 25- 30- 30 0 FIRST OBSERVED WATER BACKGROUND OVA - 08 PPM AS METHANE MEASURED 35 35 BY FOXBORO CENTURY 128