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DATE DRILLED 10-11-94 LOGGED BY TOM LUTTERMAN REVIEWED BY GREG P STAHL RG NO 5023 <br /> DRILLING COMPANY SPECTRUM EXPLORATION DRILLER DAVID SUMP METHOD HOLLOW STEM AUGER <br /> J BORE HOLE DIAMETER 8 INCHES DEPTH ORLLED 30 FEET DEPTH TO WATER INITIAL -17 FEET STATIC 165 FEET <br /> CASING TYPE PVC F480 DIAMETER 2 INCHES SCHEDULE 40 INTERVAL 0 FEET TO 8 FEET <br /> SCREEN TYPE PVC F480 DIAMETER 2 INCHES SLOT SIZE 0 020-INCH INTERVAL 8 FEET TO 28 FEET <br /> FILTER PACK TYPE RMC LONESTAR #Z/12 SAND INTERVAL 6 5 FEET TO 28 FEET <br /> SURFACE SEAL TYPE NEAT CEMENT OVER BENTONITE INTERVAL 0 FEET TO 65 FEET <br /> COMMENTS <br /> P 1 D Sample o Depth USCS Descrlpt�on Wel! <br /> NO m` Code Const <br /> SP-SM ASPHALT 0 3 FEET) <br /> 2 POORLY GRADED SAND WITH SILT, 90% F-M SAND, SA-SR. PRLY GRDD, DNS, a v <br /> 107 FNS. MODERATE YLLW-BRN. NPO, N ORGANICS, DRY, M CEMENTATION, <br /> HOMO. v a <br /> 4 <br /> 0 24 6 <br /> 25 <br /> WELL GRADED SAND; 95% F-C SAND; SA-SR. W GRDD; M DNS; <5% FNS, <br /> g PALE YLLW-SRN; NPO. N ORGANICS, MST, WEAK CEMENTATION, HOMO. <br /> MW11- 6 10 sw <br /> 0 10 5' 11 <br /> 11 <br /> 12 CLAYEY SAND, x-70% F-M SAND, PRLY GRDD, M DNS, -307 FNS, N OLTNCY, <br /> L TGHNSS, M PLST. MODERATE YLLW-BRN, NPO; N ORGANICS. MST, <br /> i4 WEAK CEMENTATION, HOMO <br /> SC LEAN CLAY; <15% F-M SAND, PRLY GRDO; >85% FNS. H DRY STRNGTH; <br /> MWi- N DLTNCY. M TGHNSS. M PLST. STIFF; MODERATE YLLW-BRN; NPO; <br /> 0 16 0' 4 16 CL N ORGANICS. MST-WET- WEAK CEMENTATION: HOMO <br /> — POORLY GRADED SAND WITH SILT, -•907 F-M SAND, SA-SR; PRLY GROD; <br /> 18 M DNS; --10% FNS, MODERATE YLLW-BRN. NPO, N ORGANICS, WET; WEAK <br /> CEMENTATION; HOMO <br /> 8 20 <br /> 0 11 SP-SM <br /> 12 <br /> 22 SILTY SAND; 702 F-M SAND; SA-SR, PRLY GROD; LS. 30% FNS; MODERATE <br /> YLLW-BRN. NPO; N ORGANICS. WET; WEAK CEMENTATION; HOMO. <br /> 24 <br /> S <br /> 0 4 26 <br /> zs SM <br /> 4 30 C� Y� <br /> 0 <br /> 32 TOTAL DEPTH SAMPLED = 31.5 FEET. 1 <br /> 34 <br /> 36 , <br /> 38 - /LA� —C <br /> 40 <br /> rsF"vs LOG OF BORING MW-1 <br /> em=V!*9K MANTECA UNIFIED SCHOOL DISTRICT <br /> 2901 EAST LOUISE AVENUE <br /> PROJECT: 150107.01 LATHROP, CALIFORNIA <br />