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DEL-TECH GEOTECEMCAL SUPPORT SERVICES <br /> ' MONITORING WELL FIELD LOG 2004 <br /> 4 <br /> SAMPLE LOCATION/MW 3 DATE: 12/9/2004 <br /> PROJECT NAME MARCI PROPERTY ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 2969 LOOMIS ROAD SAMPLE TIME 1048 <br />' CITY,STATE STOCKTON,CA SAMPLE CONTAINERS 4 V O A's I HCL-1 LTR I NEA <br /> SITE CONTACT GOLDEN BEAR TRUCKING PRESERVATIVES HCL <br /> CONSULTANT GEOLOGICAL TECHNICS I LAB ANALYSIS BY SEQUOIA <br /> PROJECT MANAGER JOE ANGULO MONUMENT FLUSH <br /> SAMPLER DEL-TECH/DON LIGHT WELL CASING MATERIAL PVC <br /> SIGNED WELL CASING DIA 2" / 01632 <br /> t 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 1 OOth's 6592 FEET CALC PURGE VOL 258 GAL <br /> DEPTH OF WELL feet 100t11's 8172 FEET TOTAL VOLUME PURGED 774 GAL. <br /> STANDING WATER COLUMN 1590 FEET I DEPTH OF PUMP 80 FEET <br /> FIELD PARAMETERS <br /> TIME CUMULATIVE DRAW PUMPING pH E.C 1EMP O.R P. DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (DTW (GPWLP" (units) (UMHOS) (Celsius) (Mvoits) (PPM) (N T U <br /> a 0 N/A 5 GPM 748 754 189 156 17 BROWN <br /> 258 " to 749 785 189 159 16 " <br /> 516 to 748 793 18 8 163 15 CLEAR- <br /> 774 <br /> LEAR774 to 747 796 188 171 15 " <br />' PURGE METHOD y DEDICATED WATERRA PUMP <br /> SAMPLE METHOD DEDICATED WATERRA PUMP <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 66 53' <br />' WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS <br /> WEATHER CLEAR&COLD WIND HWS <br /> QUALITY CONTROL ALL PURGING EQUIPMENT AND SAMPLING EQ UIPMENT WAS CLEANED IN THE <br /> FIELD WITHA STEAMCLEANER&ALCONOXSOAP NEWNITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL STEEL DRUMOR 60 GAL POLYDRUM <br /> INSTRUMENTATION Y S 1556 MULTIPROI3E SYSTEM Y S I DISSOLVED OXYGEN METER <br /> SOUNIST SLOPE METER THERMODINE 580E P I D <br /> KECK INTERFACE METER TURBIDITY METER <br />