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1 <br /> DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br />! MONITORING WELL FIELD LOG 2004 <br />! SAMPLE LOCATION/MW- 7 DATE: 10/7/2004 <br />' PROJECT NAME DARPETRO,INC ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 749 E CHARTER WAY SAMPLE TIME 1226 <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 2" / 01632 <br /> SAMPLE MEDIA GROUNDWATER P I D READING I ODOR NIA MUSTY/FUE <br />' TOP OF CASING ELEVATION MSL COLOR GREY <br /> DEPTH TO WATER feet 100th's 38 46 FEET CALC PURGE VOL 402 GAL <br /> DEPTH OF WELL feet 100th's 63 l I FEET TOTAL VOLUME PURGED 1207 GAL <br />' STANDING WATER COLUMN 2465 FEET DEPTH OF PUMP 61 FEET <br /> . FIELD PARAMETERS <br /> TIME CUMULATIVE DRAW PUMPINGpH E C TEMP ORP DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br />' PER PURGE (D T W) (GPMILPM) (units} l(umMHOS)l (Celsius) (Mvoits) (PPM) (N T U) <br /> 0 NIA 5 GPM 7 82 1258 225 54 023 GREY <br /> 402 of776 1261 228 51 028 " <br />' <br /> 805 It <br /> 774 1266 226 39 028 " <br /> 1207 itIt775 1242 225 38 026 " <br /> PURGE METHOD DEDICATED WATERRA PUMP <br /> SAMPLE METHOD DEDICATED WATERRA PUMP <br />' D T W AFTER PURGE D T W AT SAMPLE TIME 39 16' <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 E UIPMENTAND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITH A STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT DOT !7 55 GAL STEEL DRUMOR 60 GAL POLYDRUM <br /> I INSTRUMENTATION Y S 13560 FLOWCELL Y S 1 DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 580E P I D <br /> KECK INTERFACE METER TURBIDITY METER <br /> I <br />