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• DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 1998 <br /> SAMPLE LOCATION/MW - 1 DATE: 8/10/98 <br /> PROJECT NAME: INDEPENDENT TRUCKING. I ANALYSIS PERFORMED: SEE CHAINOF CUSTODY <br /> ADDRESS: 1145 WEST CHARTER WAY SAMPLE TIME: 14:06 <br /> CITY STATE: STOCKTON.CA. SAMPLE CONTAINERS: 4 CONTAINERS& 1 B.B. <br /> SITE CONTACT: I PRESERVATIVES: HCL <br /> CONSULTANT: HUNTER&ASSOCIATES I LAB.ANALYSIS BY: SHERWOOD/WEST <br /> PROJECT MANAGER BILL HUNTER 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: N/A SLIGHT ODOR <br /> TOP OF CASING ELE TION: MSL COLOR: LT.BRN TO CLEAR <br /> DEPTH TO WATER: (feeL100th's) 13.66 FEET CALC.PURGE VOL.: 3.988608 GAL. <br /> DEPTH OF WELL: (feet100th's) 38.10 FEET TOTAL VOLUME PURGED: 12 GAL, <br /> STANDING WATER COLUMN: 24.44 FEET I DEPTH OF PUMP: 35 FEET <br /> FIELD PARAMETERS <br /> TIME CASING DRAW PUMPING pH E. C. TEMP. O.R.P. DISSOLVEE TURBIDITY <br /> VOLUME DOWN RATE OXYGEN COLOR <br /> PERPURGE (D.T.W.) (GPM/LPM) (unl U) (MsMHOS) (Ce]s4us) (MvolW (PPM) (N.T.U.) <br /> 13:49 0 N/A 1 GPM 7.34 889 21.6 -212 NIA LT.BRN. <br /> 13:51 4 117.21 843 21.2 -236 " <br /> 13:55 8 It 7.20 829 21 -281 CLEAR <br /> 14:00 12 7.22 817 21.6 -314 " <br /> PURGE METHOD: PURGER PUMP. <br /> SAMPLE METHOD: Y STAINLESS STEEL BAILER W/STAINLESS STEEL WIRE LINE <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 14.25 <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. <br /> WELL LOCATION: SEE SITE MAP. <br /> REMARKS: GOOD RECHARGE. <br /> WEATHER: CLEAR SKIES WIND: NW5 <br /> QUALITY CONTROL: ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITHA STEAMCLEANER&ALCONOX SOAP. NEW NITRILE GLOVES. <br /> CONTAINMENT: D.O.T.1755 GAL STEEL DRUM OR 60 GAL POLY DRUM. <br /> INSTRUMENTATION: Y.S.I.3560 FLOWCELL Y.S.I.DISSOLVED OXYGEN METER <br /> SOLINISI SLOPE MEIFR TEERMODINE 580B P.I.D. <br /> KECK INTERFACE METER TURBIDITY METER <br /> • #OF DRUMS ON SIGHT: WATER: SOIL: <br /> Auc ' �qs� <br />