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MEMO <br /> 153 <br /> �"R <br /> " <br /> WELL TAG MW-22 <br /> JOB NUMBER: 2I1=71-6 DATE DRILLED: 4-1-88 <br /> ! : JOB NAME:Doubtlz[s Gas Station. Lodi SURFACE ELEVATICY:51.99' <br /> DRILL RIG: EXC( ltech Mobile B-51 DATUM: City BM @_51.70' <br /> SAMPLER TYPE: DRIVE WEIGHT: HEIGHT OF FALL: <br /> 24" S lit Soon 140 orunds 30 inches <br /> • Laboratory Analysis: S-Soil Properties, C-Chemical Properties <br /> Depth Wet Constrr_tion Lab' Stows Saople Sample USCS Description <br /> feet Analysis Per Foot Depth Type Symbol <br /> { SILTY SAND - Mottled ora ish-brown and <br /> Solid Z" Sch. SM bra.:n, moist, very dense, to meeitn- <br /> ! `. 40 AVC Casing grained sand, (slight hydrocarbon odor). <br /> 30 53 2M <br /> t 30'h' <br /> 31' <br /> S?- POORLY-C-ZADFD SALV with Silt - Light - <br /> 32 -Cement/Bentonite 514 brown, moist, dense to very dense, <br /> grout median-grained sand, [moc:crate hydro- <br /> i carbon odor)- <br /> .5 34 <br /> ML^ SILT with sand -Light gray to brown, <br /> moist, very hard, fine-grained sand, <br /> t 72/6" 3S' 2N' (moderate hydrocarbon odor). <br /> _ C 36 C 35h' <br /> SM SILTY SAO - Drangish-brown, moist, very <br /> dense, fine to medi•�-grained sard, <br /> (strong hydrxar,on odor). <br /> - 38 entonite Seal <br /> i <br /> 40 ( 38 2Vej ML <br /> SIL' with sand Light gray to green, <br /> 401h' moist, hard, fine-grained sand, (strong <br /> 41' hydrocarbon odor). <br /> 42 Sand Pack <br /> Lone Star 112/12 SM SILTY SAND - Light brown, all dense, <br /> fine to mediun-grained sand, (strong <br /> 3' 44 hydro:arbon odor). <br /> t <br /> i.: 60 4554' 2Ya SILTY SAND - Orangish-brown to brown, <br /> 46' moist, very dense, nunerous pores (�0.1" <br /> 46 diameter), red staining along pores, <br /> :. fr Borehole (strong hydrocarbon odor). <br /> 48 - <br /> t <br /> - Slotted 2" Sch. Mottled reddish-brown, orangish-Isrorin, <br /> 40 PVC Screen, and brown. <br /> 0.07" Slots, 4 <br /> SJ Sots per inch 90 2Yz" <br /> 50% <br /> 51' SP PODRLY-GRADED SAND Light L'rawn, mist, <br /> very\ F ` Ills 52 _ pmodedrate hydroc5arbonaoded)sa.id, <br /> 1 , If <br /> 54 k-MMLY-GRADED SAND - Ligh; gray to brown, <br /> + saturated, dense to very dense, median to <br /> 49 2Yf' coarse-grained Sand, -(mada;rate_hYd rc <br /> - - <br /> - y -r-. --- - - -- - - - - — - C--- - SSK' carbon odor). <br /> 611 Du Pont Blosysterrte of S <br /> �` ✓ Logged by: <br /> w ... . Approved <br /> Y <br /> A--54 <br />