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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 1998 <br /> SAMPLE LOCATION/MW - 3 DATE: 12/29/98 <br /> PROJECT NAME: OLIVERAZ PROPERTY ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: 300 S.CALIFORNIA STREET SAMPLE TIME: <br /> 11:33 <br /> CITY STATE: STOCKTON,CA. SAMPLE CONTAINERS: HC O.A.'s I 1 BLANK <br /> SITE CONTACT: NONE PRESERVATIVES: <br /> CONSULTANT: FOOTHII-L ENG. LAB.ANALYSIS BY: SHERWOOD&BSK LABS <br /> . ERV MONUMENT: FLUSH <br /> PROJECT MANAGER <br /> SAMPLER: DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED: <br /> WELL CASING DIA.: 2" 1 0.1632 <br /> SAMPLE MEDIA: GROUNDWATER P.I.D.READING I ODOR: NIA NO <br /> NE <br /> MSL COLOR: BROWN TO CLEAR <br /> TOP OF CASING ELE TION: 4.6104 GAL. <br /> DEPTH TO WATER: {feeL100th's) 29.65 FEET CALC.PURGE VOL.: GAL. <br /> DEPTH OF WELL: (feet.100th's 57.90 FEET TOTAL VOLUME PURGED: 155 FEET <br /> STANDING WATER COLUMN: 28.25 FEET DEPTH OF PUMP <br /> FIELD PARAMETERS <br /> TIME CASING DRAW PUMPING pH E.C. TEMP. O.R.P. OXYYGEN OLVETURBIDITCOLOR Y <br /> VOLUME DOWN RATE <br /> PERPURGE (D•T•W•) (GPM/LPW (units) (UMHOS) (Celsius) (Mvolts) (PPM) (N.T.U.) <br /> OWN <br /> 0 NIA .5 GPM 7.32 1564 19.5 172 NIA CLEAR <br /> 4.5 7.09 1464 21.2 156 <br /> . 7.08 1394 21.3 140 „ <br /> 19 7.07 1371 21.3 132 <br /> PURGE METHOD: PURGER PUMP' <br /> SAMPLE METHOD: 1'STAINLESS STEM BARER. <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 30.24' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. NO LOCK INSTALLED. <br /> WELL LOCATION: <br /> REMARKS: <br /> OVERCAST. WIND: NONE <br /> WEATHER: <br /> QUALITY CONTROL: ALL PURGING E UIPMENT AND SAMPLING E UIPMENT WAS CLEANED IN THE <br /> FIELD WITH A STEAMCLEANER&ALCONOX SOAP. NEW NITRILE GLOVES. <br /> CONTAINMENT: D.O.T. 1755 GAL STEEL DRUM OR 60 GAL POLYDRUM. <br /> INSTRUMENTATION: Y.S.I.3560 FLOWCELL Y.S.I.DISSOLVED OXYGEN METER <br /> SOLINISP SLOPE N ETFR TBERMODINE 5808 P.I.D. <br /> KECK INTERFACE MM ER TURBIDCPY M)r PER <br /> (. #OF DRUMS ON SIGHT: WATER: SOIL: <br />