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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> ' MONITORING WELL FIELD LOG 2004 <br /> SAMPLE LOCATION I MW- 208 DATE• 4/2912004 <br /> PROJECT NAME MORITAS BROS ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 814 E CHARTER WAY SAMPLE TIME 1 18 05 <br /> CITY STATE STOCKTON,CA SAMPLE CONTAINERS- 2 V O A'S <br /> ' SITE CONTACT PRESERVATIVES HCL <br /> CONSULTANT GEOLOGICAL TECHNICS LAB ANALYSIS BY SHERWOOD LABS <br /> PROJECT MANAGER JOE ANGULO MONUMENT FLUSH <br /> SAMPLER DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED- WELL CASING DIA : 2" / 0 1632 <br /> SAMPLE MEDIA GROUNDWATER P I D READING/ODOR N/A MUSTY <br /> TOP OF CASING ELEV ION MSL COLOR GREY <br /> DEPTH TO WATER feet 100th's 36 61 FEET CALC PURGE VOL 641 GAL <br /> DEPTH OF WELL feet 100th1s 75 90 FEET TOTAL VOLUME PURGED, 1924 GAL <br /> STANDING WATER COLUMN 3929 FEET I DEPTH OF PUMP 74 FEET <br /> FIELD PARAMETERS <br /> TIME CUMULATIVE DRAW .PUMPING pH E C TEMP , <br /> DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br />' PER PURGE (D T W) (GPM/LPM) (units) (Umhos) (Celsius) (Mvolts) (PPM) (N T U) <br /> 0 N/A 5 GPM 794 1071 211 -175 100 GREY <br /> 641 785 1055 211 -173 073 " <br />' <br /> 1282 777 1048 211 -181 084 " <br /> 1924 777 1034 211 -180 1 2 " <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 40 70' <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 EQUIPMENT AND SAMPLING EQ UIPMENT WAS CLEANED IN THE <br />' FIELD WITH A STEAMCLEANER do ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL STEEL DRUM OR 60 GAL POLYDRUM <br />' INSTRUMENTATION Y S 1556 MULTIPROBE SYSTEM Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER TNERMODINE 580B P I D <br /> KECK INTERFACE METER TURBIDITY METER <br />