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n 'F»7 . DEL-TECH GEOTECHNICAL SUPPORT SERVICES MONITORING WELL FIELD LOG 2001 SAMPLE LOCATION 1 MW- 3R DATE: 9119101 PROJECT NAME: OLIVAREZ PROPERTY ANALYSIS PERFORMED: SEE C OF C ADDRESS: 300 S. CALIFORNIA STREET SAMPLE TIME: 7:15 CITY,STATE: STOCKTON,CA, SAMPLE CONTAINERS: 2 V.O.A.'s SITE CONTACT: NONE PRESERVATIVES: HCL CONSULTANT: FOOTHILL ENG. LAB.ANALYSIS BY: SHERWOOD LABS PROJECT MANAGER IRV MONUMENT: FLUSH SAMPLER: k DEL-TECH WELL CASING MATERIAL : PVC SIGNED: WELL CASING DIA. : 2" / 0.1632 SAMPLE MEDT • GROUNDWATER P.I.D.READING I ODOR: NIA NONE TOP OF CASING ELEVATION: MSL COLOR: LIGHT BROWN TO CLEAR DEPTH TO WATER: feet.100th's 28.90 FEET CALC.PURGE VOL.: 0.89 GAL. DEPTH OF WELL: feet.100th's 34.35 FEET TOTAL VOLUME PURGED: 3 GAL. STANDING WATER COLUMN: 5.45 FEET DEPTH OF PUMP: TUBING FEET FIELD PARAMETERS TIME CUMULATIVE DRAW PUMPING pH E.C. TEMP. O.R.P. DISSOLVED TURBIDITY CASING VOLUME DOWN RATE OXYGEN COLOR PER PURGE (D.T.W.) (GPMILPM) {units) HOS) (Celsius) (MVolts) (PPM) (N.T.U.) 0 NIA .5 GPM 6.97 1306 22.7 -14 NIA LT. BRN. 1 " " 7.02 1364 22.6 -17 " It 2 " " 7.07 1378 22.6 -17 " It 3 it it 7.09 1394 22.9 -19 It CLEAR PURGE METHOD: DEDICATED WATERRA PUMP. SAMPLE METHOD: DEDICATED WATERRA PUMP. D.T.W.AF'T'ER PURGE: D.T.W.AT SAMPLE TIME: 31.90' WELL INTEGRITY: CAP&SEAL ARE SECURE. WELL LOCATION: REMARKS: WEATHER: CLEAR SKIES. WIND: NW5 QUALITY CONTROL: ALL PURGING E UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE FIELD WITH A STEAMCLEANER&ALCONOX SOAP. NEW NITRILE GLOVES CONTAINMENT: D.O.T. 1755 GAL. STEEL DRUM OR 60 GAL.POLY DR UM. 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 #OF DRUMS ON SIGHT: WATER: SOIL: