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DEL-TECH GEOTECWiICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 1999 <br /> SAMPLE LOCATION/MW - 8 DATE: 4/28/99 <br /> PROJECT NAME: GEORGE'S SERVICE ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: 1600 DURHAM FERRY ROAD SAMPLE TIME: 1100 <br /> CITY,STATE: TRACY,CA SAMPLE CONTAINERS: 2 VOA'S& I BLANK <br />' SITE CONTACT: GEORGE OR MAE PRESERVATIVES: HCL <br /> CONSULTANT: GEOLOGICAL TECHNICS INC LAB.ANALYSIS BY: BSK LABS <br /> PROJECT MANAGER RAY OR N= MONUMENT: FLUSH <br /> SAMPLER: DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED. WELL CASING DIA.: 2" / 01632 <br /> SAMPLE MEDIA: GROUNDWATER P.I.D.READING/ODOR: N/A NONE <br /> TOP OF CASING ELEVATION: MSL COLOR: LT BRN TO CLEAR <br /> DEPTH TO WATER: (feetl00th's) 1045 FEET CA C.PURGE VOL.: 18 GAL <br /> DEPTH OF WELL- (feet100th's) 2150 FEET TOTAL VOLUME PURGED- 6 GAL <br />' STANDING WATER COLUMN: 1105 FEET DEPTH OF PUMP: NIA FEET <br /> FIELD PARAMETERS <br /> TIME CASING DRAW PUMPING PH E.C. TEMP. O.R.P. ISSOLVE TURBIDITY <br /> VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D T.W) (GPMILPM) (units) (UmM60S) (Cdd-) (Mvolts) (PPM) (N T U) <br /> 0 NIA 5 GPM 734 1260 26-A 4 N/A LT BRN <br /> 2 " 749 1190 235 -60 " <br /> 4 753 1120 22 -71 " <br />' 6 755 1140 23 -82 " <br /> PURGE METHOD CENTRIFUGAL PUMP <br /> SAMPLE METHOD I'STAINLESS STOR.BAILER <br /> D T W AFTER PURGE. D T W.AT SAMPLE TIME 1184 <br /> WELL INTEGRITY CAP&SEAL ARE SECURE AMERICAN LOCK IS INSTALLED <br /> WELL LOCATION SFE SITE MAP <br /> REMARKS SLOW RECHARGE <br />' WEATHER CLEAR WIND NW 10 <br /> QUALITY CONTROL- ALL PURGING E UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br />' FIELD WITH A ST EAMCLEANER do 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 /> SOLINIIST SLOPE METER THERMODINE 590B P I D <br /> KECK INTERFACE METER TURBIDITY METER <br /> I <br />