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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br />' MONITORING WELL FIELD LOG 2004 <br />' SAMPLE LOCATION/MW- 101 DATE: 4/27/2004 <br />' PROJECT NAME. GEORGE'S SERVICE ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 1600 DURHAM FERRY ROAD SAMPLE TIME 1.61.0 <br /> CITY,STATE TRACY,CA SAMPLE CONTAINERS 4 VOA'S <br /> SITE CONTACT GEORGE&MAE PRESERVATIVES HCL <br /> CONSULTANT GEOLOGICAL TECHNICS LAB ANALYSIS BY SH WOOD LABS <br />' PROJECT MANAGER ERIC PRICE 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 NIA NONE <br /> TOP OF CASING ELE TION MSL COLOR CLEAR <br /> DEPTH TO WATER feet 100th's 12 37 FEET CALC PURGE VOL 411 GAL <br /> DEPTH OF WELL. feet 100th's 37 58 FEET TOTAL VOLUME PURGED 1234 GAL <br />' STANDING WATER COLUMN 2521 FEET I DEPTH OF PUMP 37 FEET <br /> FIELD PARAMETERS <br /> TIME cumuLATIVE DRAW PUMPING pH E C TEMP. O R,P DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br />' PER PURGE (DTW) (GPM/LPM) (units) (MsMROS) (Celsius) (Mvolts) (PPM) (N T U) <br /> 0 N/A 5 GPM 740 1465 193 8 19 CLEAR <br /> 411 " It <br /> 741 1465 193 -1 15 " <br /> 823 741 1465 192 -2 24 It <br /> 1234 743 1463 191 -1 25 <br />' PURGE METHOD WATERRA PUMP <br /> SAMPLE METHOD WATERRA PUMP <br />' D T W AF'T'ER PURGE D T W AT SAMPLE TIME 16 ]1' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE STrE MAP <br />' REMARKS GOOD RECHARGE <br /> WEATHER CLEAR SKIES WIND NONE <br /> QUALITY CONTROL ALL PURGING EQ UIPMENTAND SAMPLING E UIPMENT WAS CLEANED IN THE <br /> FIELD WITH A STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL STEEL DR UM OR 60 GAL POLY DR UM <br /> INSTRUMENTATION Y S I 3560 FLOWCELL Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 580E P I D <br /> . KECK INTERFACE METER TURBIDITY METER <br /> 1 <br />