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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2002/GLOBAL LD. # T0607700605 <br /> SAMPLE LOCATION /MW - 2R DATE: 2/8/2002 <br /> PROJECT NAME: OLIVAREZ PROPERTY ANALYSIS PERFORMED: SEE C OF C <br /> ADDRESS: 300 S. CALIFORNIA STREET SAMPLE TIME: 9:28 <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: - WELL CASING DIA. : 2" / 0.1632 <br /> SAMPLE MEDIA. GROUNDWATER P.I.D.READING/ODOR: NIA FUEL <br /> TOP OF CASING ELE ION: MSL COLOR: CLEAR <br /> DEPTH TO WATER: feet.100th's 29.92 FEET CALC. PURGE VOL.: 0.47 GAL. <br /> DEPTH OF WELL: feet.100th's 32.77 FEET TOTAL VOLUME PURGED: 1.5 GAL. <br /> STANDING WATER COLUMN: 2.85 FEET DEPTH OF PUMP: TUBING FEET <br /> FIELD PARAMETERS <br /> • TIME CUMULATIVE DRAW PUMPING pH E.C. TEMP. O.R.P. DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D.T.W.) (OPMILPM) (units) (UMHOS) (Celsius) (Mvolts) (PPM) (N.T.U.) <br /> 0 N/A .5 GPM 6.79 1138 21.2 -271 N/A CLEAR <br /> 0.5 " " 6.92 1158 21.6 -262 " It <br /> 1146.96 1I69 21.4 -245 " <br /> 1.5 6.94 1162 21.3 -237 " <br /> . ............. ........................ ... .. ...... ... ...... ..... .... ...... ... ..... ..... .... . .... .... .. ...... .... ......... ........ . .... <br /> .... .... ..... ..... ..... .... ..... .... ..... ...... ..... .... .. .... .... ... ... ....... ... ......... ... .... <br /> PURGE METHOD: DEDICATFD WATERRA PUMP. <br /> SAMPLE METHOD: DEDICATED WATERRA PUMP. <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 30.89' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. <br /> WELL LOCATION• <br /> REMARKS: <br /> WEATHER: OVERCAST SKIES. WIND: NW5 <br /> QUALITY CONTROL: ALL PURGING E UIPMENTAND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITH A STEAMCLEANER&ALCONOX SOAP. NEW NITRILE GLOVES. <br /> CONTAINMENT: D.O.T. 17 55 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 5808 P.I.D. <br /> KECK INTERFACE METER TURBIDITY METER <br /> #OF DRUMS ON SIGHT: WATER: SOIL: <br />