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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br />' MONITORING WELL FIELD LOG 2002 <br /> SAMPLE LOCATION/MW - 8 DATE- 2/26/2002 <br />' PROJECT NAME 1 M EQUIPMENT ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 1245 WEST CHARTER WAY SAMPLE TIME 1250 <br /> CITY,STATE STOCKTON,CA SAMPLE CONTAINERS 2 V O A'S <br /> ISITE CONTACT PRESERVATIVES HCL <br /> CONSULTANT GEOLOGICAL TECHNICS LAB ANALYSIS BY SHERWOOD LABS <br />' PROJECT MANAGER RAY 1 MIKE MONUMENT FLUSH <br /> SAMPLER 4 , DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED WELL CASING DIA 2" / 01632 <br /> ' SAMPLE MEDIA GROUNDWATER P I D READING 1 ODOR NIA FUEL <br /> TOP OF CASING ELEVkTION MSL COLOR GREY TO CLEAR <br /> DEPTH TO WATER (feet 100th's) 1484 FEET CALC PURGE VOL 331 GAL <br /> DEPTH OF WELL (feet.100th's) 35 15 FEET TOTAL VOLUME PURGED 105 GAL <br /> ' STANDING WATER COLUMN 2031 FEET DEPTH OF PUMP NIA FEET <br /> FIELD PARAMETERS <br /> TIME CUMULATIVE DRAW PUMPING pH E C TEMP O R P DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (DTW) (GPMlLPM) (units) (MSMHOS) (Celsius) (Mvults) (PPM) (N T U) <br /> 0 NIA 5 GPM 682 1283 229 83 NIA GREY <br /> 3 5 674 1121 217 55 LT GREY <br /> 7 672 1117 22 1 22 CLEAR <br /> 105 673 1130 225 -5 " <br /> v <br /> PURGE METHOD DEDICATED WATERRA PUMP&TUBING <br /> ' SAMPLE METHOD DEDICATED WATERRA PUMP&TUBING <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 15 89' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS GOOD RECHARGE <br /> WEATHER OVERCAST SKIES WIND <br /> QUALITY CONTROL ALL PURGING E UIPMENTAND SAMPLING EQUIPMENT WAS CLE,4NED IN THE <br /> FIELD WITHA STEAMCLEANER&ALCONOX SOAP NEWNITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL STEEL DRUM OR 60 GAL POLYDRUM <br /> INSTRUMENTATION Y S I 3360 FLOWCELL Y S I DISSOLVED OXYGEN METER <br /> . SOLINIST SLOPE METER THERMODINE 580E P I D <br /> KECK INTERFACE METER TURBIDITY METER. <br />