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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> ' MONITORING WELL FIELD LOG 2004 <br /> ' SAINIPLE LOCATION/IVIW— 107 DATE: 4/27/2004 <br /> ' PROJECT NAME GEORGE'S SERVICE ANALYSTS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 1600 DURHAM FERRY ROAD SAMPLE TIME NO SAMPLE TAKEN <br /> CITY,STATE. TRACY,CA SAMPLE CONTAINERS- N/A <br /> ' SITE CONTACT- GEORGE&MAE PRESERVATIVES. N/A <br /> CONSULTANT GEOLOGICAL TECHNICS LAB.ANALYSIS BY. SHERWOOD 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 N/A NIA <br /> ' TOP OF CASING ELEVXTION MSL COLOR- N/A <br /> DEPTH TO WATER feet 100th's 12 03 FEET CALC PURGE VOL - 618 <br /> GAL <br /> DEPTH OF WELL- feet.100th's 49 90 FEET TOTAL VOLUME PURGED 1854 GAL <br /> STANDING WATER COLUMN 3787 FEET I DEPTH OF PUMP 48 FEET <br /> FIELD PARAMETERS <br /> TIME CUMULATIVE DRAW PUMPING pH E C TEMP ORP DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> ' PER PURGE (D T W) (GPMILPM) (unats) (MsMHOS) (Celsius) (Mvolts) (PPM) (N T U) <br /> 0 <br /> 618 <br /> 1236 NO SAMPLE TAKEN <br /> 1854 <br /> ' PURGE METHOD HONDA CENTRIFUGAL PUMP <br /> SAMPLE METHOD I'STAINLESS STEEL BAILER WITH STAINLESS STEEL WIRE LINE <br /> ' D T W AFTER PURGE D T W AT SAMPLE TIME NIA <br /> WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE SITE MAP <br /> ' REMARKS <br /> WEATHER CLEAR SKIES WIND NONE <br /> QUALITY CONTROL ALL PURGING EQ UIPMENT AND SAMPLING fQ UIPMENT WAS CLEANED IN THE <br /> ' FIELD WITH A STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D D T 17 55 GAL STEEL DRUM OR 60 GAL POLYDRUM <br /> ' INSTRUMENTATION Y S L 3560 FLOWCELL Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE$80B P I D <br /> KECK INTERFACE METER TURBIDITY METER <br />