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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 20021 GLOBAL LD. # T0607700605 <br /> .. .... ........ . ........ .. ..... ....... ... ...... ..... ... <br /> SAMPLE LOCATION 1 MW - 5 DATE: 2/8/2002 <br /> ...... ............... .............. ......... ..... .... .. ..... ... ............ ..... ... .. <br /> PROJECT NAME: OLIVAREZ PROPERTY ANALYSIS PERFORMED: SEE C OF C <br /> ADDRESS: 300 S. CALIFORNIA STREET SAMPLE TIME: 11:50 <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 /> :...;;.:. .... ... <br /> 77, <br /> PROJECT MANAGER IRV MONUMENT: FLUSH <br /> SAMPLER: DEL-TECH WELL CASING MATERIAL : PVC <br /> SIGNED: WELL.CASING DIA. : 2" / 0.1632 <br /> SAMPLE MEDIB GROUNDWATER P.I.D. READING/ODOR: NIA LIGHT FUEL <br /> TOP OF CASING EL ATION: MSL COLOR: LIGHT GREY TO CLEAR <br /> DEPTH TO WATER: feet.100th's 29,75 FEET CALC. PURGE VOL.: 11.62 GAL. <br /> DEPTH OF WELL: feet.100th's 100.97 FEET TOTAL VOLUME PURGED: 34.5 GAL. <br /> STANDING WATER COLUMN: 71.22 FEET DEPTH OF PUMP: TUBING FEET <br /> FIELD PARAMETERS <br /> i <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.) (GPM/LPM) (units) (UMHOS) [(Celsius) (Mvolts) (PPM) (N.T.UJ <br /> 0 N/A .5 GPM 7,19 931 19.7 -257 N/A LT. GREY <br /> 11.5 itof 7,24 922 20.2 -261 ti " <br /> 23 Pi <br /> " 7.21 920 19.9 -261 11CLEAR <br /> 34.5 " It <br /> 7.19 917 20.2 -255 " <br /> . .. . ....... <br /> PURGE METHOD: DEDICATED WATERRA PUMP. <br /> SAMPLE METHOD: DEDICATED WATERRA PUMP. <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 42.90' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. <br /> WELL LOCATION: <br /> REMARKS: <br /> WEATHER: OVERCAST SKIES. WIND: NW5 <br /> QUALITY CONTROL: ALL PURGING E UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITH A STEAMCLEANER&ALCONOX SOAP. NEW NITRILE GLOVES. <br /> CONTAINMENT: D.D.T. 1755 GAL. STEELDRUMOR 60GAL. 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 METER TURBIDITY METER <br /> #OF DRUMS ON SIGHT: WATER: SOIL: <br />