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�1 <br /> DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 1999 <br /> SAMPLE LOCATION/MW - 1 R DATE: 7119199 <br /> PROJECT NAME:OLIVERAZ PROPERTY ANALYSIS PERFORMED: SEE CHAIN OF CtJSTODY <br /> ADDRESS: 300 S.CALIFORNIA STREET SAMPLE TIME: 15:26 <br /> CITY STATE: STOCKTON,CA. SAMPLE CONTAINERS: 4 V.O.A.'s <br /> SITE CONTACT: NONE PRESERVATIVES: HCL <br /> CONSULTANT: FOOTHILL ENG, LAB.ANALYSIS BY: SHERWOOD <br /> PROJECT MANAGER ERV MONUMENT: FLUSH <br /> SAMPLER: DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED: WELL CASING DIA.: 2" 1 0.1632 <br /> SAMPLE MED OUNDWATER P.I.D.READING/ODOR: NIA GAS <br /> TOP OF CASING ELEVATION: MSL COLOR: BROWN TO CLEAR. <br /> DEPTH TO WATER: (feet.100th's) 28.59 FEET CA C.PURGE VOL.: 0.928608 GAL. <br /> DEPTH OF WELL: (feeLI00th's) 34.28 FEET TOTAL VOLUME PURGED: 3 GAL. <br /> STANDING WATER COLUMN: 5.69 FEET L DEPTH OF PUMP: TUBING FEET <br /> TIME CASING DRAW PUMPING pH E.C. TEMP. O.R.P. LSSOLVE TURBIDITY <br /> VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D.T.W.) (GPM/LPM) (units) (UMHOS) (Cddva) (Mvolts) (PPM) (N.T.U.) <br /> 0 NIA .25 GPM 6.85 1458 23.2 1 -109 NIA BROWN <br /> 1 6.85 1427 23.4 -94 " <br /> 2 6.87 1430 23.4 -80 CLEAR <br /> 3 6.87 1431 23.3 -74 " <br /> F. <br /> PURGE METHOD: WATERRA-PUMP. <br /> SAMPLE METHOD: WATERRA PUMP. <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 30.21' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. LACK INSTALLED. <br /> WELL LOCATION: SEE SITE MAP. <br /> REMARKS: <br /> WEATHER: CLEAR SKIES. WIND: NONE <br /> UALITY CONTROL: ALL PURGING E UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITH A STEAMCLFANER&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 /> SOLINIST SLOPE METER THERMODINE 580B P.I.D. <br /> KECK INTERFACE M1✓iFR TURBIDITY METER <br /> #OF DRUMS ON SIGHT: WATER: SOIL: <br />