Laserfiche WebLink
1 <br /> ' UNIFIED SOIL CLASSIFICATION SYSTEM <br /> MAJOR DIVISIONS LTR DESCRIPTION MAJOR DIVISIONS LTR DESCRIPTION <br /> GW Well-graded gravels or gravel sand ML Inorganic silts and very fine- <br /> mixtures little or no fines grained sands rock flour silty <br /> GRAVEL Poorly-graded gravels or gravel or clayey fine sands or clayey <br /> GP SILTS silts with slight plasticity <br /> AND sand mixture little or no fines AND <br /> GRAVELLY' Silt CLAYS CL Inorganic clays of low to medium <br /> y gravels gravel-sand-clay <br /> SOILS GM LL<50 Plasticity gravelly clays sandy <br /> mixtures clays silty clays lean clays <br /> GC Clayey gravels gravel-sand-clay Organic silts and organic silt- <br /> COARSE mixtures FINE 101, clays of low plasticity <br /> ' GRAINED GRAINED <br /> SOILS Well-graded sands Inorganic silts micaceous or <br /> fines <br /> gravelly o <br /> SW SOILS MH diatomaceous fine--grained sandy <br /> sands little or no fines or silt soils elastic silts <br /> SAND Poorly-graded raded sands or raven SILTS <br /> Sp Y-g gravelly AND CH <br /> Inorganic clays of high piast- <br /> AND sands little or no fines CLAYS icity fat clays <br /> SANDY LL>50 <br /> SOILS SM Silty sands sand-silt mixtures CH Organic clays of medium to high <br /> plasticity <br /> ' SC Clayey sands sand-clay mixtures HIGH SYOOLRRGANIC p{ s els Peat and other highly organic <br /> WELL DESIGN <br /> DEPTH THROUGH WHICH SAND PACK <br /> 1 SAMPLER IS DRIVEN <br /> RELATIVELY UNDISTURBED ■ BENTONITE ANNULAR SEAL <br /> SAMPLE <br /> MISSED SAMPLE ® NEAT CEMENT ANNULAR SEAL <br /> GROUNDWATER LEVEL F7�_ OBSERVED FROM FIRST WET BLANK PVC <br /> iSOIL SAMPLE IN BORING <br /> STATIC GROUNDWATER LEVEL Ej MACHINE-SLOTTED PVC <br /> OVM ORGANIC VAPOR METER READING S-10 SAMPLE LOCATION <br /> IN PARTS PER MILLION <br /> NR NOT RECORDED <br /> PID PHOTO-IONIZATION DETECTOR READING NA NOT ANALYZED <br /> IN PARTS PER MILLION <br /> BLOW/FT REPRESENTS THE NUMBER OF BLOWS OF DASHED LINES SEPARATING UNITS ON THE LOG <br /> A 140-POUND HAMMER FALLING 30 INCHES REPRESENT APPROXIMATE BOUNDARIES ONLY <br /> TO DRIVE THE SAMPLER THROUGH THE LAST ACTUAL BOUNDARIES MAY BE GRADUAL LOGS <br /> 12 INCHES OF AN 18-INCH PENETRATION REPRESENT SUBSURFACE CONDITIONS AT THE <br /> BORING LOCATION AT THE TIME OF DRILLING <br /> ONLY <br /> UNIFIED SOIL CLASSIFICATION SYSTEM PLATE <br /> AND LOG OF BORINGS SYMBOL KEY <br /> TOSCO 76 SERVICE STATION 5886 Attachment <br /> 2701 West March Lane <br /> PROJECT 2055 Stockton California <br />