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ASSOCIATES INC 1160(i*a Due,k*sb,UhK 951 LOG OF WELL MW2 PROJECT - VAN DYKEN PROPFM LOCATION 215 WF57 MAIN STRFFT, RIPON r4 PROJECT NO _14981.^001 DATE DRILLED 091599_ LOGGED BY_TAM LUTTERMAN REVIEWED BY JEANNE HOMSEY,C47410 _ DRILLING COMPANY VR<W Irni uNG INC- _ DRILLER RICK AARRAGAN METHOD ---HOLLOW STEM AUGER BORE HOLE DIAMETER ^g ... IN DEPTH DRILLED 39 FT DEPTH TO WATER INITIAL 27 ET STATIC ? FT CASING TYPE PVC DIAMETER 7 IN SCHEDULE 40 _._ INTERVAL 0..„. FT TO eft SCREEN TYPE _E2Q DIAMETER 2 IN SLOT SIZE .0.020 IN INTERVAL 1g-5 FT TO 3g_5 FT FILTER PACK TYPE _.RMC I CINFSTAR J,3 INTERVAL 16.9 FT TO 38-5 FT SURFACE SEAL TYPE NEAT CEMENT oyER BENTONITE INTERVAL —_ 0 FT TO _ 16.5 _FT COMMENTS SURGE RLOCKE() WFI 1 PRIOR TO PL ACING TRANSITIONAL SFAI _ PAGE I OF_J_ WELL DEPTH PID SAMPLE 10 LITHOLOGIC DESCRIPTION DETAIL rr (PPM) BLOWCOUNT LOG 0-2 - Asphalt 2 4 SM 2"-6 5/10 SILTY SAND (SM) <85% FINE-MEDIUM POORLY GRADED SAND 5 >15% FINES MODERATE YELLOW BROWN NO PRODUCT ODOR DRY- 6 3 5 5 MOIST WEAK CEMENTATION HOMOGENOUS S \ 10 35 7 8 10 12 14 SP 6 5/10-16 5/20 POORLY GRADED SAND (SP) >95% FINE-MEDIUM POORLY GRADED SAND <5% FINES PALE YELLOW BROWN NO PRODUCT ODOR 10 DRY-MOIST WEAK CEMENTATION HOMOGENOUS 2-16-' 15 3 5 12 t r 1 IB — r 20 3 5 30 16 5/20-21 5/20 ELASTIC SILT WITH SAND (MH) >15% FINE-MEDIUM POORLY GRADED f 38 MH SAND <85% FINES LOW-MEDIUM DRY STRENGTH NONE-SLOW r ` 22 DILATANCY LOW TOUGHNESS LOW-MEDIUM PLASTICITY MODERATE YELLOW BROWN NO PRODUCT ODOR MOIST WEAK CEMENTATION --- .� HOMOGENOUS — 24 21 5/25-26 WELL GRADED SAND (SW) >95% FINE-COARSE WELL GRADED SAND "— 35 25 SW <5% FINES PALE-MODERATE YELLOW BROWN NO PRODUCT ODOR 26 30 WET WEAK CEMENTATION HOMOGENOUS } 31 CL 7 J" 5 26-265/30 LEAN CLAY WITH SAND (CL) <15% FINE-MEDIUM POORLY GRADED = 28 SAND >85% FINES NO DRY STRENGTH LOW-MEDIUM TOUGHNESS MEDIUM PLASTICITY MODERATE YELLOW BROWN NO PRODUCT ` N51-WW2-30 5 ODOR NO ORGANICS MOIST-WET WEAK CEMENTATION HOMOGENOUS 13 t s Y 50 5M 26 5/30-31 5/35 SILTY SAND (SM) <859 FINE-COARSE SAND >15% FINES 32 MODERATE YELLOW BROWN NONE-SLIGHT PRODUCT ODOR NO ORGANICS WET WEAK CEMENTATION HOMOGENOUS 4 \ = 34 \ _ s 0 31 31 5/35-36 5/38 SILTY SAND (SM) 60% FINE POORLY GRADED SAND 40% FINES 30 SM 36 33 MODERATE YELLOW BROWN NO PRODUCT ODOR NO ORGANICS s WET WEAK CEMENTATION HOMOGENOUS 38 35 CL 36 5/38-39 LEAN CLAY (CL) <5% FINE POORLY GRADED SAND >959. FINES ! + 3 5 45 HIGH DRY STRENGTH NO DILATANCY MEDIUM TOUGHNESS MEDIUM 40PLASTICITY MODERATE YELLOW BROWN NO PRODUCT ODOR NO ORGANICS WEAK CEMENTATION HOMOGENOUS 42