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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> tMONITORING WELL FIELD LOG 2004 <br />' SAMPLE LOCATION /MW - 18 DATE: 6/18/2004 <br /> PROJECT NAME FRONTIER TRUCKING ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS LARCH ROAD SAMPLE TIME 1509 <br /> CITY,STATE TRACY,CA SAMPLE CONTAINERS 4 V O A'S& 1 LITER <br /> SITE CONTACT. I PRESERVATIVES. HCL <br /> CONSULTANT BLAKELY ENVIRONMENTAL LAB ANALYSIS BY' SHERWOOD LABS <br /> PROJECT MANAGER HIRAM MONUMENT FLUSH <br /> SAMPLER DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED WELL CASING DIA 211 / 0 1632 <br /> SAMPLE MEDIA GROUNDWATER P I D READING I ODOR NIA NONE <br /> TOP OF CASING ELEVATION MSL COLOR. BROWN TO CLEAR <br /> DEPTH TO WATER. (feet 100th's) 912 FEET CALC PURGE VOL 483 GAL <br /> DEPTH OF WELL (feet 100th's) 38 72 FEET TOTAL VOLUME PURGED- 1449 GAL <br />' STANDING WATER COLUMN 2960 FEET DEPTH OF PUMP• 37 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 TTW) (GPM/LPM) (units) (UMHOS) (Celsius) (Mvolts) (PPM) (N T U) <br /> 0 NIA 5 GPM 733 4528 226 33 26 BROWN <br /> 483 " " 732 4350 22 1 119 28 " <br /> 966 It <br /> 731 4281 229 142 20 CLEAR <br /> 1449 730 4208 227 146 20 " <br /> PURGE METHOD DEDICATED WATERRA PUMP <br /> SAMPLE METHOD DEDICATED WATERRA PUMP <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 14 45' <br /> WELL INTEGRITY CAP&SEAL.ARE SECURE <br /> WELL LOCATION SEE SITE MAP <br />' REMARKS <br /> WEATHER CLEAR SKIES WIND <br /> QUALITY CONTROL ALL PURGING EQUIPMENTAND SAMPLING EQUIPMENT WAS CLEANED IN THE <br />' FIELD K7THA STEAMCLEANEIt&ALCONOXSOAP NEWNITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL STEEL DRUM OR 60 GAL POLYDRUM <br />' INSTRUMENTATION Y S I 556 MULTIPROBE Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODWE 580E P I D <br /> KECK INTERFACE METER TURBIDITY METER <br />