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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br />' MONITORING WELL FIELD LOG 1999 <br /> SAMPLE LOCATION/MW- 105 DATE: 41128199 <br /> F <br /> PROJECT NAME: GEORGE'S SERVICEANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: 1600 DURHAM FERRY ROAD SAMPLE TIME: 1400 <br /> 1 CITY STATE: TRACY,CA SAMPLE CONTAINERS: 2 VOA'S& 1 BLANK <br /> SITE CONTACT: GEORGE OR MAE PRESERVATIVES: HCL <br /> CONSULTANT: GEOLOGICAL TECHNICS INC LAB.ANALYSIS BY: BSK LABS <br /> 1 PROJECT MANAGER RAY OR MIKE 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 BROWN TO CLEAR <br /> DEPTH TO WATER: (feeL100th's) 1044 FEET CALL.PURGE VOL.: 371 GAL <br /> DEPTH OF WELL: (feeLlOkh'S) 3320 FEET TOTAL VOLUME PURGED. 12 GAL <br /> STANDING WATER COLUMN: 2276 FEET DEPTH OF PUMP: NIA FEET <br /> FIELD PARAMETERS <br /> lie <br /> TIME CASIIVG DRAW PUMPING PH E C. TEMP. O.R.P. ISSOLVE TURBIDITY <br /> 1 VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D.T W.) (GPM/LPM) (units) (UmNMOS) (Celsius) (Mvolts) (PPM) (N T U) <br /> 0 N/A 5 GPM 740 1316 205 -33 NIA LT BRN <br /> 4 733 1347 203 -61 CLEAR <br /> 8 733 1332 204 -52 " <br /> 12 733 1343 206 -54 " <br /> PURGE METHOD CENTRWUGAL.PUMP <br /> SAMPLE METHOD 1'STAINLESS STEEL BAILER <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 1127 <br /> WELL INTEGRITY CAP&SEAL ARE SECURE AMERICAN LOCK IS INSTALLED <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS GOOD RECHARGE <br /> WEATHER CLEAR WIND NW 10 <br />' QUALITY CONTROL All PURGING EQUIPMEN'AND SAMPLING E UIPMENT WAS CLEANED IN THE <br /> FIELD WrI71 A STE"CLEANER&ALCONOX SOAP NEW N17'RILE GLOVES <br /> CONTAINMENT. DOT 17 55 GAL.STEEL DRUM OR 60 GAL POLY DRUM <br />' INSTRUMENTATION Y S 13560 FLOWCFLL Y S I DISSOLVED OXYGEN ME773t <br /> SOLINIST SLOPE MEM 7111MMODINE 580B P I.D <br />' KECK INTERFACE Nf= TURBIDITY METER <br />