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I I <br /> DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br />' MONITORING WELL FIELD LOG 2004 <br />' SAMPLE LOCATION /MW- 2 DATE: 10/7/2004 <br />' PROJECT NAME DARPETRO, INC ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 749 E CHARTER WAY SAMPLE TIME 1500 <br /> CITY,STATE STOCKTON,CA SAMPLE CONTAINERS 4 VOA'S <br />' SITE CONTACT PRESERVATIVES HCL <br /> CONSULTANT CALIFORNIA GEOPHYSICAL LAB ANALYSIS BY SHERWOOD LABS <br />' PROJECT MANAGER JOHN CUSSEN MONUMENT FLUSH <br /> SAMPLER DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED WELL CASING DIA 4" / 06528 <br />' SAMPLE MEDIA GROUNDWATER P I D READING/ODOR NIA MUSTY <br /> TOP OF CASING ELEVATION MSL COLOR GREY TO CLEAR <br /> DEPTH TO WATER feet 100th's 40 02 FEET CALC PURGE VOL 651 GAL <br /> DEPTH OF WELL feet 100th's 49 99 FEET TOTAL VOLUME PURGED 1953 GAL <br />' STANDING WATER COLUMN 997 FEET DEPTH OF PUMP 48 FEET <br /> FIELD PARAMETERS <br /> 10 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) (UmMHOS) (Celsus) (Mvolts) {PPM) (N T U) <br />' 0 NIA 1 GPM 773 1774 229 -5 017 GREY <br /> 651 it778 1728 227 -6 027 " <br /> 1302 781 1735 228 29 044 CLEAR <br />' 1953 783 1737 228 33 049 " <br />' PURGE METHOD DEDICATED WATERRA PUMP <br /> SAMPLE METHOD DEDICATED WATERRA PUMP <br />' D T W AFTER PURGE D T W AT SAMPLE TIME 40 74' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL.LOCATION SEE SITE MAP <br /> REMARKS <br /> WEATHER CLEAR!HOT WIND NONE <br /> QUALITY CONTROL ALL PURGING EQUIPMENTAND SAMPLING EQUIPMENT 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 1 3560 FLOWCELL Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 580E P I D <br /> . KECK INTERFACE METER TUR131DITY METER <br /> E <br />