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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> �4s <br /> MONITORING WELL FIELD LOG 2002/GLOBAL LD. # T0607700605 <br /> SAMPLE LOCATION/MW- 1 DATE: 9/17/2002 <br /> PROJECT NAME: OLIVAREZ PROPERTY ANALYSIS PERFORMED: SEE C OF C <br /> ADDRESS: 300 S. CALIFORNIA STREET SAMPLE TIME: 14:30 <br /> CITY,STATE: STOCKTON,CA. SAMPLE CONTAINERS: 2 V.O.A.'s <br /> SITE CONTACT: NONE PRESERVATIVES: HCL <br /> CONSULTANT: FOOTHILL ENG. LAB.ANALYSIS BY: SHERWOOD LABS <br /> PROJECT MANAGER IRV MONUMENT: FLUSH <br /> SAMPLER: DEL-TECH WELL CASING MATERIAL : PVC <br /> SIGNED: IND WELL CASING DIA. : 2" / 0.1632 <br /> SAMPLE MEDI GROUNDWATER P.I.D.READING/ODOR: NIA FUEL <br /> TOP OF CASING ELE ATION: MSL COLOR: BLACK TO LIGHT BLACK <br /> DEPTH TO WATER: feet.100th's 32.03 FEET CALL.PURGE VOL.: 3.88 GAL. <br /> DEPTH OF WELL: feet.100th's 55.78 FEET TOTAL VOLUME PURGED: 12 GAL. <br /> STANDING WATER COLUMN: 23.75 FEET DEPTH OF PUMP: TUBING FEET <br /> ......... ... .... ............... ... <br /> - FIELD PARAMETERS <br /> TIME CUMULATIVE DRAW PUMPING pH E.C. TEMP. O.RP. DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D.T.W.) (CPMILPM) (units) (UMHOS) (Celsius) (Mvolts) (PPM) (N.T.U.) <br /> 0 NIA .5 GPM 7.61 907 22.4 -242 0.42 BLACK <br /> 4 " " 7.54 834 21.9 -237 0.44 LT.BLK. <br /> 8 ti7.52 881 22 -218 0.44 " <br /> 12 " 7.54 899 21.9 -199 0.46 " <br /> PURGE METHOD: DEDICATED WATERRA PUMP. <br /> SAMPLE METHOD: DEDICATED WATERRA PUMP. <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 37.05' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. NO LOCK. <br /> WELL LOCATION: SEE SITE MAP. <br /> REMARKS: <br /> WEATHER: CLEAR SKIES. WIND: NW5 <br /> QUALITY CONTROL: ALL PURGING E UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITH A STEAMCLEANER do ALCONOX SOAP. NEW NITRILE GLOVES. <br /> CONTAINMENT: D.O.T. 17 55 GAL.STEEL DRUM OR 60 GAL.POLYDRUM. <br /> INSTRUMENTATION: Y.S.I.556 MULTIPROBE SYSTEM Y.S.I.DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 580E P.I.D. <br /> KECK INTERFACE METER TURBIDITY METER <br /> #OF DRUMS ON SIGHT: WATER: 16 SOIL: 19 <br />