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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br />' MONITORING WELL FIELD LOG 2004 <br /> SAMPLE LOCATION/MW — 3 DATE. 7/28/2004 <br />' PROJECT NAME MORITAS BROS ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 814 E CHARTER WAY SAMPLE TIME 1248 <br /> CITY,STATE STOCKTON,CA SAMPLE CONTAINERS 3 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 r / 0 1632 <br /> SAMPLE MEIII N GROUNDWATER P I D READING/ODOR NIA NONE <br /> TOP OF CASING LE ATION MSL COLOR CLEAR <br /> DEPTH TO WATER feet 100th's 37 57 FEET CALC PURGE VOL 433 GAL <br /> DEPTH OF WELL feet 100th's 64 10 FEET TOTAL VOLUME PURGED 1299 GAL <br /> STANDING WATER COLUMN. 2653 FEET DEPTH OF PUMP 62 FEET <br /> FIELD PARAMETERS <br /> TIME CUMULATIVE DRAW SUBMERSI pH E C TEMP ORP DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> ' PER PURGE (DTW) (GPMIL.PM) (units) (Umbos) (Celslus) (Mvolts) (PPM) (N T U) <br /> 0 N/A 5 GPM 759 1293 223 -63 061 CLEAR <br /> 433 " " 757 1327 223 -65 082 " <br /> 866 " " 757 1334 224 -68 657 It <br /> 1299 757 1310 226 -68 066 to <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 37 78' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE SITE MAP <br /> ' REMARKS <br /> WEATHER CLEAR SKIES WIND NW5 <br /> QUALITY CONTROL ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITH STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL STEEL DRUM OR 60 GAL POLYDRUM <br /> INSTRUMENTATION Y S I 556 MULTIPROBE SYSTEM Y S I DISSOLVED OXYGEN METER <br /> SOLMST SLOPE METER T14ERMODINE 580B P I D <br /> KECK INTERFACE METER TURBIDITY METER <br />