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Boring/Well Construction Log i►, IlflEACANUWO[lr l-C-lfREYf1? Boring/Well No MW-1 X301 Wn GRANTLINE ROAD ■ DRILLING COMPANY Project Name CITY OF TRACY SPECTRUM ORILUNG ME HOO(5 DRILL Bfr(S SIZE HOLLOWNSTEM AUGER —INCH raject Number 10101 ISMTIONT ELEVATION AND DATUM TOTAL DEPTH NONE FROM TO FT NOT MEASURED 21 5 BLANK CASING FROM TO FF DATE STARTED DATE COMPLETED 2-INCH SCH 40 PVC 0 5 10/07/93 10 D7 93 PERFORATED CASING FROM TO FT STA11C WATER ELEVATION 2—INCH PVC, 0 020 SLOT 5 20 95 SIZE AND TYPE OF FILTER PACK FROM TO FT LOGGED BY 202 LONESTAR 4 20 DENNIS NAKAMOTO SEAL FROM TO FT SAMPLING METHODS WELL COMPLETION BENTONITE 3 4 CALIFORNIA MODIFIED ® SURFACE HOUSING GROUT FROM TO FT SPLIT SPOON ❑ STAND PIPE FT CEMENT BENTONITE 0 3 SAMPLES AMPLE OVAL DEPTH BORING/WELL CONSTRUMN LITOG UfHOLOGY SAMPLE DESCRIPTION AND DRILLING REMARKS NUMBER LES CEMENT/ =T- LAWN AREA, BROWN CLAYEY SOIL BENTONITE . --- GROUT BENTONITE -- 3 PELLETS 770 6 5 5 CIL --- - LIM - BROWN CLAY, PLASTIC, MOIST, NO PETROLEUM 7 2-INCH -_ R ODORS, OVA = 0 PPM SCH 40 PVC BLANK CASING - - - SCM 40 PVC - - 4 002-INCH SLOT - W 771 7 10 WELL SCREEN 10 CIL STAY - BROWN CLAY, PLASTIC, WET TO VERY MOIST 8 NO PETROLEUM ODORS, OVA = 0 PPM, WATER LEVEL ._ AT B 15 FEET IN AUGER FLIGHT 6 LAPIS LUSTRE �- 772 8 15 1C FILTER 15 CL CLAYEY SAND - BROWN, CLAYEY SILTY, FINE GRAINED 6 PACK SANDY CLAY, WET, NO PETROLEUM ODORS, OVA = 0 PPM —, -s- WATER LEVEL AT 7 4 FEET IN AUGER FLIGHT 2 773 9 20 0 SC ►Q - MOTTLED, COARSE GRAINED SAND, SLIGHTLY 29 CLAYEY, SATURATED, NO ODORS, NO SHEENS PVC END CAP OVA = 0 PPM, WATER LEVEL 6 1 FEET IN AUGER FLIGHT 25 25- 30- 30 0 FIRST OBSERVED GROUNDWATER 35 35 BACKGROUND OVA = 0 8 PPM AS METHANE MEASURED BY FOXBORO CENTURY 128