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Boring/Well Construction frog �u NHiflcf- -I[IN[IN a fkC-w[rwwC,wp (Nvw0"wLN?AL srw++tcs Boring/Well Na MW-3 9DRINC LOCATION 301 W GRANTLINE ROAD PLFF46 COMPANY roject Name CITY OF TRACY &PULSPEC RUM DRILLING METHOD 5 ORILL BIT(S) SIZE Project Number 10101 HOLLOW STEM AUGER 8—INCH ISOLATION CASING ELEVATIDIV AND DATUM TOTAL DEPTH NONE NOT MEASURED 21 5 BLANK CASiNC FROM TD FT DATE STARTED DATE COMPLETED 2—INCH SCH 40 PVC 0 5 10 D7 93 10/07/93 PERFORATED CASWC STATIC WATER ELEvAnoN 2–INCH SCH 40 PVC, W/ 0020–INCH SLOTS FROM 5 To20 FT Y 9 0 FEET SIZE AND TYPE OF FILTER PACK LaGGEo L9Y LONESTAR 2 X 12 FROM TO 21 5Fr DENNIS NAKAMOTO SEAL FROM TD SAMPLING METHODS WELL COMPLETION BENTONITE PELLETS 3 4 Fl CALIFORNIA MODIFIED ® SURFACE HOUSING CRouT FROM TD FT SPLIT SPOON 0 STAND PIPE rT CEMENT BENTONITE 0 3 SAMPLES SAMPLE OVA UM DEPTH BORING/WELL CONSTRUCTION USM LflHOLM NUMSER RESET�ET LAG SAMPLE DESCRIPTION AND DRILLING REMARKS CEMENT/ U1WN AREA – BROWN SILTY CLAY, SLIGHTLY MOIST BENTONITE T _ PLASTIC, NO PETROLEUM ODORS, OVA = 0 PPM GROUT – – – BENTONITE PELLETS _ 11163 – 0 5 5 5 – SILTY CLAY – BROWN SILTY CLAY, SLIGHTLY MOIST, 6 2–INCH _ _ PLASTIC, NO ODORS, OVA = 0 PPM SCH 40 PVC -- BLANK CASING -- SCH 40 PVC 4 002–INCH SLOT — _ _ 56NDY CLAY – LIGHT BROWN FINE GRAINED SANDY CLAY 1117 0 7 10 WELL SCREEN 10- TO CLAYEY SAND, WET, NO PETROLEUM ODORS, 8 _ OVA = 0 PPM 2 LAPIS LUSTRE – ,� – BROWN SILTY FINE GRAINED SAND, NO 1118 2 15 1 C FILTER 15 SILTY 14 PACK PETROLEUM ODORS, WET , 5 WAN�1 – BROWN FINE TO MEDIUM GRAINED SAND MINOR _ 1119 22 20 W20 PEBBLES, NO PETROLUEM ODORS, WET 32 PVC END CAP 25 25- 30- 3p FIRST OBSERVED WATER 35 35 BY FOXBORO COENTURY 12SPM AS METHANE MEASURED