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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 1998 <br /> SAMPLE LOCATION 1 MW 2 DATE: 2129198 <br /> PROJECT NAME: OLIVERAZ PROPERTY ANALYSIS PERFORMED: SEE C=FODYADDRESS: 300 S.CALIFORNIA STREET SAMPLE TIME: <br /> CITY STATE: STOCKTON,CA. SAMPLE CONTAINERS: 4 V.O. <br /> SITE CONTACT: NONE PRESERVATIVES: HCL <br /> CONSULTANT: FOOTHILL ENG. LAB.ANALYSES BY: SHERWOOD&BSK LABS <br /> PROJECT <br /> MANAGER ERV MONUMENT: FLUSH <br /> SAMPLER: DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED• WELL CASING DIA.: 2" / 0.1632 <br /> SAMPLE MEDIA. GROUNDWATER P.I.D.READING/ODOR: BLACK TO CLEAR STRONG GAS <br /> TOP OF CASING E EV ION: MSL COLOR: <br /> DEPTH TO WATER: (feet.100th's) 30.38 FEET CALC.PURGE VOL.: 4.491264 GAL. <br /> DEPTH OF WELL: (feet.100th's) 57.90 FEET TOTAL VOLUME PURGED: 13.5 GAL. <br /> STANDING WATER COLUMN: 27.52 FEET DEPTH OF PUMP: 50 FEET <br /> FIELD PARAMETERS <br /> TIME CASING-: <br /> DRAW PUMPING PH E.C. TEMP. O.R.P. OXYGEN TURBIDITYISSOLVEU COLOR <br /> VOLUME DOWN RATE <br /> PERPURGE (D.T.W.) (GPM/LPM) (units) (UMIHOS) (CeWus) 2 voit8) (PPM) (N.TU.) <br /> 0 N/A .5 GPM 6.94 1579 20.7 -126 NIA BLACK <br /> 4.5 6.96 1584 21.2 -124 " <br /> 6.97 1423 21.3 -142 CLEAR <br /> 9 <br /> 19 7.00 1420 21.3 -150 <br /> PURGE METHOD: PURGER PUMP. <br /> SAMPLE METHOD: I'STAINLESS STEEL.BARER. <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 33.56' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. NO LOCK INSTALLED. <br /> WELL LOCATION: NORTH EAST CORNER OF LOT. <br /> REMARKS: LIGHT SHEEN. <br /> WEATHER: OVERCAST. WIND: NONE <br /> QUALITY CONTROL: ALL PURGING EQUIPMENT AND SAMPLING E UIPMENT WAS CLEANED IN THE <br /> FIELD WITH A STEAMCLEANER do ALCONOX SOAP. NEW NITRILE GLOVES. <br /> CONTAINMENT: D.0-T 17 55 GAL.STEEL DR UM OR 60 GAL. POLY DR UM. <br /> INSTRUMENTATION: Y.S.I.3560 FLOWCELL Y.S.I.DISSOLVED OXYGEN MECFR <br /> SOLINIST SLOPE M FI'FR nMRMODINE 580B P.LD. <br /> KFiCK INTERFACE MFrER TURBIDITY MI TER <br /> #OF DRUMS ON SIGHT: WATER: SOIL: <br />