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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2004 <br /> ' SAMPLE LOCATION/MW -- Z 0 DA'Z'E: 8/25/2004 <br /> ' PROJECT NAME J M EQUIPMENT ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 1245 WEST CHARTER WAY SAMPLE TIME 1210 <br /> CITY,STATE STOCKTON, CA SAMPLE CONTAINERS 2 V O A'S <br /> SITE CONTACT PRESERVATIVES HCI, <br /> CONSULTANT. GEOLOGICAL TECHNICS LAB ANALYSIS BY SHERWOOD LASS <br /> ' PROJECT MANAGER 30E ANGULO MONUMENT FLUSH <br /> SAMPLER DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED WELL CASING DIA 2" / 0 1632 <br /> SAMPLE MEDT GROUNDWATER P I D READING/ODOR N/A NONE <br /> TOP OF CASING ELVVATION MSL COLOR BROWN <br /> DEPTH TO WATER feet 100th's 17 31 FEET CALC PURGE VOL 2 13 GAL <br /> DEPTH OF WELL feet 100th's 3034 FEET TOTAL VOLUME PURGED 638 GAL <br /> ' STANDING WATER COLUMN 13 03 FEET DEPTH OF PUMP. 29 FEET <br /> FIELD PARAMETERS <br /> TIME CUMULATIVE DRAW PUMPING pH E C TEMP ORP DISSOLVED TURBIDITY <br /> CASING VOLUME DOWZN RATE OXYGEN COLOR <br /> ' PER PURGE (D T W) (GPM/LPM) (units) (MSMHOS) (Celsius) (Mvolts) (PPM) (N T U) <br /> 0 N/A 5 GPM 735 1293 1 21 92 16— BROWN <br /> 213 " 756 1283 208 67 048 " <br /> 425 01759 1277 207 63 059 te <br /> 6 38 it764 1274 209 53 078 <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 17 36' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE SITE MAP <br />' REMARKS GOOD RECHARGE <br /> WEATHER CLEAR SKIES WIND <br /> QUALITY CONTROL ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br />' FIELD WITHA STEAMCLEANER&ALCONOXSOAP NEW NITRILE GLOVES <br /> CONTAINMENT DOT 17 S5 GAL STEEL DRUM OR 60 GAL POLYDRUM <br /> INSTRUMENTATION Y S 1 556 MULTIPROBE SYSTEM Y S i DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 580E P I D <br /> KECK INTERFACE METER TURDIDrrY METER <br />