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` DEL-TECH GEOTECHNICAL SUPPORT SERVICES ' MONITORING WELL FIELD LOG 2004 ' ..SAMPLE LOCATION W:-/M 8DATE: 7/23/2004 ' PROJECT NAME: GEORGE'S SERVICE. ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY ADDRESS: 1600 DURHAM FERRY ROAD SAMPLE TIME: 10:27 CITY,STATE: TRACY,CA. SAMPLE CONTAINERS: 3 VOA'S SITE CONTACT: GEORGE&MAE PRESERVATIVES: HCL CONSULTANT: GEOLOGICAL TECHNICS LAB.ANALYSIS BY: SHERWOOD LABS. ' ' PROJECT MANAGER ERIC PRICE MONUMENT: ' FLUSH ' SAMPLER: DEL-TECH WELL CASING MATERIAL : PVC SIGNED: WELL CASING DIA. : 2" / 0.1632 SAMPLE MEDIA: M GROUNDWATER P.I.D.READING/ODOR: N/A MUSTY ' TOP OF CASING ELEVA N: MSL COLOR: CLEAR DEPTH TO WATER: feet.100th's 12.32 FEET CALL.PURGE VOL.: 1.47 GAL. DEPTH OF WELL: feet.104th's 21.35 FEET TOTAL VOLUME PURGED: 4.42 GAL. STANDING WATER COLUMN: 9.03 FEET DEPTH OF PUMP: 20 FEET FIELD PARAMETERS TIME' cumuL,ATIvE DRAW ' ''PUMPING TNG::::::pH i�:::�;::.:.E.C..:�::::TEMP.::��:::O.R.P..,..',..DISSOLVED'..TURBIDITY CASING VOLUME DOWN RATE OXYGEN COLOR ' PER PURGE (D.T.W.) (GPM/LPM) (units) (MsMHOS) (Ce[slus) (Mvolts) (PPM) (N.T.U.) 0 N/A .2 GPM 7.3$ 1631 1 25.1 6.8 0.57 CLEAR 1.47 7.40 1653 25.2 -11 0.42 " 2.95 DRY DRY 4.42 " PURGE METHOD: HONDA CENTRIFUGAL PUMP. SAMPLE METHOD: DEDICATED WATERRA INERTIA TUBING. ' D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 15.73' WELL INTEGRITY: CAP&SEAL ARE SECURE. WELL LOCATION: SEE SITE MAP. ' REMARKS: POOR RECHARGE/GRAB SAMPLE. WEATHER: CLEAR SKIES. WIND: QUALITY CONTROL: ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE tFIELD WITHA STEAMCLEANER 8c ALCONOX SOAP. NEWNITRILE GLOVES. CON'T'AINMENT: D.O.T. 1755 GAL.STEELDRUMOR 60 GAL.POLYDRUM. ' INSTRUMENTATION: Y.S.I.3560 FLOWCELL Y.S.I.DISSOLVED OXYGEN METER SOLINIST SLOPE METER THERMODINE 5808 P.I.D. KECK INTERFACE METER TURBIDITY METER