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WATERWORK WELL/BORING LOG SAMPLE ID U S C PROJECT CORRIGAN PROPERTY L13CATION 620 SAN JUAN, STOCKTON, CA PROJECT NO 381 WELL/BIIRING NO MV2 SURFACE ELEVATION NS CT WELLHEAD ELEVATI❑N NS FT DATE DRILLED 03/25/91 REVIEWED BY RUSSELL W JUNCAL RG 3864 LOGGED BY LOIS FRANTZ DRILLING COMPANY EXCELTECH DRILLER GENE NUNES METHOD HOLLOW STEM AUGER BORE HOLE DIAMETER R IN DEPTH DRILLED 27 FT DEPTH TO WATER. INITIAL 115 FT STATIC 4.7 FT CASING TYPE F480 PVC DIAMETER 2 IN SCHEDULE 40 INTERVAL 0 - FT TO _ _ 5 FT SCREEN TYPE F490 PVC DIAMETER 2 IN SLOT SIZE 0010 _ IN INTERVAL 5 -FT TO 25 Fl FILTER PACK TYPE 2/12 SILICA SAND INTERVAL 25 FT 25 FT To _ SURFACE SEAL TYPE NEAT CEMENT INTERVAL 0 ET T❑ 2 FZ NOTES 6' BENTONITE SEAL ABOVE SAND 6 INTERVAL 2 FT To 25 FT WELL DEPTH PID SAMPLE ID U S C DETAIL (FT) (PPM) LOWCOUN LOG SAIL DESCRIPTION 0 0-0 4' ASPHALT 04-5/65' LEADRYNCLAY M PRLY RHDPLST) M CL STRNGTH)1SLW DLTNCY) L TGHNSS;M YLLVSBRN, NPO) ORGANICS) MST) WEAK-STRNG HCL. REACTION) MOTTLED VHITE 4 6 5/65-10/115' ELASTIC SILT, (157 V FN, PRLY GRDD SNI)) >85A FNS, L -M DRY - 20 STRNGTH; N-SLV DLTNCY) L -M TGHNSS; M PLSTj M YLLV BRN- DRK GRY; M-STRNG POS MST -WETS N HCL REACTION — $ MH 10/115-16' LEAN CLAY) (5/ V FN, PRLY GRDD SND, >95/ FNS M -H DRY STRNGTH; N-SLW DLTNCY; L -M TGHNSS; H PLST; LT OLIVE; NPD, — 10 347 CPMV2-1L15' WETS N HCL REACTIONI MOTTLED RUSTY _ 9 L4 = — 12 12 CL 14 16-20/215' POORLY GRADED SAND; )957 SA -SR, FN -M PRLY GRDD SND, <57 — 5 FNS, N DRY STRNGTH) R DLTNCYj LT OLIVE) NPO; WET; N HCL 16 1 9 REACTION — 14 — 18 SP — 20 y L4 20/215-25' LEAN CLAY, <15/ V FN -FN SND; >85/ FNS) M -H DRY STRNGTH, _— 22 LB SLW DLTNCY; L -M TGHNSS) M -H PLST, M YLLW BRN; NPO; WETi N — HCL REACTION = CL — 24 9 15 2 19 LAS cD ED 30 32 RUSSI=LL W (p+ JUNCAL 34 No 3864 36 OF CAL1EaQ�\?. 38 40 42 PAGE I OF I