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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2004 <br /> SAMPLE LOCATION/MW 7 DATE. 12/29/2004 <br /> ' PROJECT NAME J M EQUIPMENT ANALYSIS PERFORMED. SEE CHAIN OF CUSTODY <br /> 24 <br /> ADDRESS 15 WEST CHARTER WAY SAMPLE TIME' 1152 <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/DON LIGHT WELL CASING MATERIAL PVC <br /> SIGNED, — WELL CASING DIA 2" / 01632 <br /> SAMPLE MEDIA GROUNDWATER P I D.READING/ODOR N/A NONE <br /> TOP OF CASING ELEVATION MSL COLOR LIGHT GREY <br /> DEPTH TO WATER (feet.lO th's) 15 71 FEET CALC PURGE VOL 237 GAL <br /> DEPTH OF WELL feet lWth's 3023 FEET TOTAL VOLUME PURGED 711 GAL. <br /> ' STANDING WATER COLUMN 1452 FEET DEPTH OF PUMP 29 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 (D T W) (GPMILpIM (units) (MsMHOS) (Celsjus) (MVolts) (PPM) (N T U) <br /> 0 N/A 5 GPM 687 2609 1 190 1653 101 1 LT GREY <br /> 237 It <br /> 689 2096 199 1323- 043 " <br /> 474 689 2203 199 1227 070 It <br /> 711 It <br /> 688 2233 199 1210 067 " <br /> ra„vx <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 16 83' <br /> ' WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE SPIE MAP <br /> REMARKS GOOD RECHARGE <br /> ' WEATHER COLD/RAIN WIND <br /> QUALITY CONTROL ALL PURGING EQUIPMENT AND SAMPLING E UIPMENT WAS CLEANED IN THE <br /> FIELD WITH A STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL STEEL DRUM OR 60 GAL.POLYDRUM <br /> INSTRUMENTATION YS I 556 MULTIPROBE SYSTEM Y S I DISSOLVED OXYGEN METER <br /> ' SOLINIST SLOPE METER THERMODINE 580E P I D <br /> KECK INTERFACE METER. TURBIDITY METER <br />