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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 1998 <br /> SAMPLE LOCATION / MW - 4 DATE: 3/31/98 <br /> PROJECT NAME: INDEPENDENT TRUCKING. ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: 1145 WEST CHARTER WAY SAMPLE TIME: 13:29 <br /> CITY STATE: STOCKTOK 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 GROUNDWATER P.LD.READING/ODOR: 0 DIESEL <br /> TOP OF CASING ELE ON: MSL COLOR: GREY <br /> DEPTH TO WATER: feeL100th's 14:30 FEET CALC.PURGE VOL.: 6.28252 GAL. <br /> DEPTH OF WELL: feet.100th's 39.10 FEET TOTAL VOLUME PURGED: 13.5 GAL. <br /> STANDING WATER COLUMN: 38.50 FEET DEPTH OF PUMP: 35 FEET <br /> FIELD PARAMETERS <br /> • TIME CASING DRAW PUMPING PH E.C. TEMP.1 O.R.P. DISSOLVEq TURBIDITY <br /> VOLUME DOWN RATE OXYGEN COLOR <br /> PRRPURGE (D.T.W.) (GPM/LPM) (units) (NUMHOS) ("A.) (Mrolh) (PPM) (N.T.U.) <br /> 0 N/A .5 GPM 7.47 1692 19.6 -93 N/A GREY <br /> 4.5 7.48 1621 19.7 -115 " <br /> 9 7.50 1757 20 -132 " <br /> 13.5 7.46 1790 19.7 -135 " <br /> PURGE METHOD: PURGER PUMP. <br /> SAMPLE METHOD: 1'STAINLESS STEEL BAILER W/STAINLESS STEL WIRE LINE <br /> D.T.W.AFTER PURGE: D.T.W.AT SAMPLE TIME: 14.68' <br /> WELL INTEGRITY: CAP&SEAL ARE SECURE. <br /> WELL LOCATION: SFE SITE MAP. <br /> REMARKS: <br /> WEATHER: OVERCAST SKIES. WIND: NW5 <br /> QUALITY CONTROL: ALL PURGING E UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED INTHE <br /> FIELD WICHA STEAMCLEANER&ALCONOX SOAP. NEW Nl1RILE GLOVES. <br /> CONTAINMENT: D.O.T.1755 GAL STEEL DRUM OR 60 GAL POLY DRUM. <br /> INSTRUMENTATION: Y.S.I.3560 FL OWCELL Y.S.I.DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 580B P.I.D. <br /> • KECK INTERFACE METER TURBIDITY METER <br />