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Boring/Well Construction Log Hf1IYICr+118#f8 EMMMUNl W ANO EMRROMME VTAL SERNCES Boring/Well No. MW-2 301W TION ROAD r' OFALU14C COMPANY Project Name CITY OF TRACY SPECTRUM DRILLING LO5M DRILL er(SSSE dek"ject Number 10101 LAUGER 8-IN CH ' 50LATON CASING VAliON AND DATtlL[ TOTAL DEPTH NONE NOT MEASURED 21 5 8LAW 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 FT STATIC WATER ELEVAnCN 2-INCH SCH 40 PVC, W/ 0020-INCH SLOTS 5 20 G 1 FEET SIZE AND TYPE OF FILTER PACK FROM TO FT LOCOED 9Y LONESTAR 2 X 12 4 21 5 DENNIS NAKAMOTO SEAL FROM TO FT SAMPLING METHODS WELL COMPLETION BENTONITE PELLETS 3 4 ' CAUFORNIA MODIFIED ® SURFACE HOUSNG GROUT FROM TO FT SPLIT SPOON 0 STAND PIPE FT CEMENT BENTONITE 0 3 swPLEs SAMPLE OVA DEPTH 90RING/WELL CONSTM=0N LI DC unim 6Y SAMPLE DESCRIPTION MID =LUNG REMARKS MW" CEMENT/ LAWN AR - BROWN SILTY CLAY, SLIGHTLY MOIST BENTONITE . _ PLASTIC, NO PETROLEUM ODORS, OVA = 0 PPM GROUT - BENTONITE PELLETS -_ 1112 0 3 5 5 = - !l,LY LAY - BROWN SILTY CLAY, SLIGHTLY MOIST, ' 8 2-INCH T - PLASTIC, NO ODORS, OVA = 0 PPM SCH 40 PVC BLANK CASING -� - SCH 40 PVC 0 T- 3 002-INCH SLAT - SILTY CLAY - BROWN SITLY TO FINE GRAINED SANDY 1113 0 9 10 WELL SCREEN 10 CLAY, MOIST, PLASTIC, NO PETROLEUM ODORS, 8 OVA = 0 PPM ' LAPIS LUSTRE SANDY CLAY -- LIGHT BROWN, FINE GRAINED SANDY 1114 9 15 IC FILTER 15- 13 PACK CLAY, WET, SEMI-PLASTIC, NO PETROLEUM ODORS. � OVA = 0 PPM ' 8 SAND - COARSE GRAINED SAND, ROUNDED TO 1115 14 2020SUBROUNDED GRAINS, WET 26 PVC END CAP - A i ' 25 25 I 30 30 FIRST OBSERVED WATER A-7-7 BACKGROUND OVA = 08 PPM AS METHANE MEASURED 35 35 BY FOXBORO CENTURY 128 ' SHEET 1 OF 1