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1 <br /> DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> 1 - <br /> MONITORING WELL FIELD LOG 2005 <br /> iSAMPLE LOCATION/ MW 13 DATE: 1/11/2005 <br /> i PROJECT NAME BENETO TANK LINES#8 ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 749 E CHARTER WAY SAMPLE TIME 1135 <br /> CITY,STATE STOCKTON,CA SAMPLE CONTAINERS 4 VOA'S <br /> i SITE CONTACT- PRESERVATIVES HCL <br /> CONSULTANT CALIFORNIA GEOPHYSICAL LAB ANALYSIS BY SHERWOOD LABS <br /> PROJECT MANAGER JOHN CUSSEN MONUMENT FLUSH <br />' SAMPLER DEL-TECH/DON LIGHTWELL CASING MATERIAL PVC <br /> SIGNED WELL CASING DIA. 2" / 0 1632 <br /> SAMPLE MEDIA GROUNDWATER PLD READING/ODOR NIA MUSTY <br /> i TOP OF CASING ELEVATION MSL COLOR GREY <br /> DEPTH TO WATER feeL180tWs 3886 FEET CALC PURGE VOL. 112 GAL <br /> DEPTH OF WELL feetlO th's 45 70 FEET TOTAL VOLUME PURGED 335 GAL <br /> STANDING WATER COLUMN 684 FEET DEPTH OF PUMP 44 FEET <br /> FIELD PARAMETERS <br /> lie THWE <br /> CUMULATIVE DRAW PUMPING pH E C TEMP ORP DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (DTW) (GPAVLPfM (units) (UmMHOS) (Celsius) (Mvalts) (PPM) (N T U) <br /> i0 N/A 5 GPM 677 1647 217 -509 075 GREY <br /> 112 674 1761 218 -228 058 " <br /> 223 674 1807 218 -292 057 " <br /> 335 675 1815 219 -323 057 " <br /> i <br /> i PURGE METHOD- DEDICATED WATERRA PUMP <br /> SAMPLE METHOD DEDICATED WATERRA PUMP <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 39 98' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE <br /> i WELL LOCATION SEE SITE MAP <br /> REMARKS <br />' WEATHER COLD/RAIN WIND NONE <br /> QUALITY CONTROL ALL PURGING EQ UIPMENT AND SAMPLING fV UIPMENT WAS CI.FANED IN THE <br /> FIELD WITII A STFAMCLE A(ER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL STEEL DRUM OR 60 GAL POLYDRUM <br /> iINSTRUMENTATION Y S L 3560 FLOWCELL Y S I DISSOLVED OXYGEN METER <br /> SQLINIST SLOPE METER THERMOD[NE 5808 Pl-D <br /> KECK INTERFACE METER TURBIDITY METER <br /> I <br /> I <br /> i <br />