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qEL- ECM <br /> DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br />' MONITORING WELL FIELD LOG 2005 <br /> , <br /> SAMPLE LOCATION/MW 109 DATE: 2/17/2005 <br /> PROJECT NAME J M EQUIPMENT ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 1245 WEST CHARTER WAY SAMPLE TIME 1410 <br /> CITY,STATE STOCKTOR CA SAMPLE CONTAINERS 2 V O A'S <br />' SITE CONTACT PRESERVATIVES HCI. <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 M R57- <br /> SAMPLE MEDIA GROUNDWATER P I D READING/ODOR. N/A NONE <br />' TOP OF CASING ELEVATION MSL COLOR CLEAR <br /> DEPTH TO WATER feet.100th's 15 37 FEET CALC PURGE VOL 1057 GAL <br /> DEPTH OF WELL (feet.100th's) 80 16 FEET TOTAL VOLUME PURGED 3172 GAL <br />' STANDING WATER COLUMN 6479 FEET DEPTH OF PUMP 79 FEET <br /> FIELD PARAMETERS <br /> kTIME CUMULATIVE DRAW PUMPING pH E C TEMP ORP DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D T W) (GPM/LPM) (units) (MsMHOS) (Celsius) (Mvolts) (PPM) (N T U) <br />' 0 N/A 15 GPM 761 1067 195 -479 077 CLEAR <br /> 1057 762 1052 194 406 060 " <br /> 2115 774 1045 194 -501 087 " <br />' 3172 781 1056 192 -602 091 " <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 1550, <br />' WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS GOOD RECHARGE <br />' WEATHER OVERCAST/RAIN WIND <br /> QUALITY CONTROL ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITHA STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br />' CONTAINMENT D O T 17 55 GAL STEEL DRUMOR 60 GAL POLYDRUM <br /> INSTRUMENTATION YSI 556 NIULTIPROBE SYSTEM YSI DISSOLVED OXYGEN ME'T'ER <br />' SOLTNIST SLOPE METER THERMODINE 580B P I D <br /> KECK INTERFACE METER TURBIDITY METER <br /> 1 <br />