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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 1998 <br /> SAMPLE LOCATION/MW - 7 DATE: 3/31/98 <br /> PROJECT NAME: INDEPENDENT TRUCKING. ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: 1145 WEST CHARTER WAY SAMPLE TIME: 12:24 <br /> CITY STATE: STOCKTON,CA. SAMPLE CONTAINERS: 5 CONTAINERS& 1 B.B. <br /> SITE CONTACT: PRESERVATIVES: HCL <br /> CONSULTANT: HUNTER&ASSOCIATES 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: U GROUNDWATER P.I.D.READING/ODOR: 0 ODOR <br /> TOP OF CASING ELEVA ON: MSL COLOR: CLEAR <br /> DEPTH TO WATER: [eet100th's 13.61 FEET CALC.PURGE VOL.: 3.513696 GAL. <br /> DEPTH OF WELL: teet100th's) 35.14 FEET TOTAL VOLUME PURGED: 12 GAL. <br /> STANDING WATER COLUMN: 21.53 FEET DEPTH OF PUMP: 34 FEET <br /> FIELD PARAMETERS <br /> . TIME CASING DRAW SUBMERS pH E.C. TEMP. O.R.P. ISSOLVEI TURBIDITY <br /> VOLUME DOWN RATE OXYGEN COLOR <br /> PERPURGE (D.T.W.) (GPWLpm) (units) (MBMHOS) (Cddus) (MvoW) I (PPM) (N.T.UJ <br /> 0 N/A .5 GPM 7.91 685 18.4 1 -113 N/A CLEAR <br /> 4 7.91 681 19.5 -116 <br /> 8 7.91 684 19.3 -111 <br /> 12 7.90 689 18.4 -105 <br /> PURGE METHOD: PURGER PUMP. <br /> SAMPLE METHOD: 1'STAINLESS STEEL BAILER W/STAINLESS STEEL WIRE LINE <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 13.75' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. <br /> WELL LOCATION: SEE SITE MAP. <br /> REMARKS: METHANE/SULFUR ODOR. <br /> WEATHER: OVERCAST SKIES. WD'ID: <br /> QUALITY CONTROL: ALL PURGING E UIPMENTAND SAMPLING EQUIPMENT WAS CLEANED 1N THE <br /> FIELD WITHA STEIMCLEAMER&ALCONOX SOAP. NEWNITRILEGLOVES. <br /> CONTAINMENT: D.O.T. 1755 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 580B P.I.D. <br /> . =INTERFACEMETER TURBIDITY METER <br />