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i <br /> � DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> ' MONITORING WELL FIELD LOG 2004 <br /> ' SAMPLE LOCATION/MW- 7 DATE: 4/28/2004 <br /> ' PROJECT NAME VALLEY WHOLESALE DRUG ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS FREMONT STREET SAMPLE TIME 1010 <br /> CITY,STATE STOCKTON,CA SAMPLE CONTAINERS 4 V O A'S <br /> SITE CONTACT PAUL SOUVA PRESERVATIVES HCL <br /> ' CONSULTANT GEOLOGICAL TECHNICS 1 LAB ANALYSIS BY SHERWOOD LABS <br /> PROJECT MANAGER ERIC PRICE MONUMENT FLUSH <br /> ' SAMPLER DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED y WELL CASING DIA 2" / 01632 <br /> SAMPLE MEDIA GROUNDWATER P I D READING/ODOR NIA NONE <br /> ' TOP OF CASING ELEVA ON MSL COLOR CLEAR TO LIGHT GREY <br /> DEPTH TO WATER feet 100th's 8 10 FEET CALC PURGE VOL 2 19 GAL <br /> DEPTH OF WELL feet 100th's 2152 FEET TOTAL VOLUME PURGED 657 GAL <br /> ' STANDING WATER COLUMN 1142 FEET I DEPTH OF PUMP 20 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) (units) (UMBOS) (Celsius) (Mvolts) (PPM) (N T U) <br /> 0 N/A 5 GPM 781 1638 215 -114 041 CLEAR <br /> 219 11 11767 1642 208 -111 075 LT GREY <br /> 438 " 757 1638 211 -108 050 <br /> ' 657 753 1645 214 -103 047 " <br /> ' PURGE METHOD CENTRIFUGAL PUMP <br /> SAMPLE METHOD DEDICATED TUBING <br /> ' D T W AFTER PURGE D T W AT SAMPLE TIME 9 95' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE LOCK INSTALLED <br /> WELL LOCATION <br /> ' REMARKS <br /> WEATHER CLEAR/COOL WIND NW5 <br /> QUALITY CONTROL ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> ' FIELD WITHA STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT DOT 17 55 GAL STEEL DR UM OR 60 GAL POLYDRUM <br /> INSTRUMENTATION Y S I 3560 FLOWCELL Y S I DISSOLVED OXYGEN METER <br /> ' SOLIMST SLOPE METER THERMODINE 584E P I D <br /> KECK INTERFACE METER TURBIDTFY METER <br /> #OF DRUMS ON SIGHT WATER SOIL <br /> I <br /> V <br />