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DEL-BCH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL.FIELD LOG 1998 <br /> SAMPLE LOCATION/MW - 105 DATE: 11/13/9B <br />' PROJECT NAME: GEORGE'S SERVICE ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS- 1600 DURHAM FERRY ROAD SAMPLE TIME. 1458 <br /> CITY STATE: TRACY,CA SAMPLE CONTAINERS: 4 VOA's & 1 B B <br /> SITE CONTACT: GEORGE OR MAE' PRESERVATIVES: HCI. <br /> CONSULTANT: GEOLOGICAL TECHNICS INC LAB.ANALYSIS BY: BSK LABS <br />' PROJECT MANAGER RAY OR MIKE MONUMENT: FLUSH <br /> SAMPLER: k DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED: WELL CASING DIA.: 2" 1 01632 <br /> SAMPLE MEDIA: GROUNDWATER P.I.D.READING/ODOR: NIA NONE <br /> TOP OF CASING ELEVATION: MSL COLOR: BRN TO CLEAR <br /> DEPTH TO WATER: feeL100th's 973 FEET CALC.PURGE VOL.. 383 GAL <br /> DEPTH OF WELL: (feet.100th's) 3320 FEET TOTAL VOLUME PURGED: 12 GAL <br /> STANDING WATER COLUMN: 2347 FEET I DEPTH OF PUMP: NIA FEET <br /> . FIELD PARAMETERS <br /> 7fIME CASING DRAW PUMPING pH E.C. TEMP O R.P. DISSOLVEEJ TURBIDITY <br /> VOLUME DOWN RATE OXYGIEN COLOR <br /> PER PURGE (D T W) (GPMILPNt) (unite) (Un2MHOS) (Celsius) (Mvdts) (PPM) (N T U) <br /> 0 NIA 5 GPM 763 1536 242 22 NIA BROWN <br /> 4 " 11748 1576 202 37 LT BRN <br /> 8 743 1557 201 21 CLEAR <br /> 12 743 1558 201 20 " <br /> PURGE METHOD CENTRIFUGAL PUMP <br /> SAMPLE METHOD. P STAINLESS STEEL BARJM <br /> D T.W.AFTER PURGE D.T.W AT SAMPLE TIME 12 27' <br /> WELL INTEGRITY CAP&SEAL ARE SECURELY AMERICAN LOCK IS INSTALLED <br /> WELL LOCATION SEE STTI3 MAP <br /> REMARKS GOOD RECHARGE <br /> WEATHER CLEAR WIND NWIO <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 13560 FLOWCEU Y S I DISSOLVED OXYGEN METER <br /> SOLIMST SLOPE METER TIII;RMODINE 5808 P I.D <br /> KECK INTERFACE METER TURBIDITY METER <br />