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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> ' MONITORING WELL FIELD LOG 2004 <br />' SAMPLE LOCATION/MW _ 4 DATE. '128/2004 <br />' PROJECT NAME MORITAS BROS EPRESERVATIVES <br /> IS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 814 E CHARTER WAY TIME 937 <br /> CITY,STATE STOCKTON,CA CONTAINERS 3 V O A'S <br /> R <br /> ITE CONTACT HCL <br /> ONSULTANT GEOLOGICAL TECHNICS ALYSIS BY SHERWOOD LABS <br />' PROJECT MANAGER JOE ANGULO MONUMENT FLUSH <br /> SAMPLER DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED ' WELL CASING DIA 2" 1 01632 <br />' SAMPLE MEDIAN9 GROUNDWATER P I D READING I ODOR N/A NONE <br /> TOP OF CASING ELE TION MSL COLOR CLOUDY GREY TO CLEAR <br /> DEPTH TO WATER (feet 100th's) 3739 FEET CALC PURGE VOL 208 GAL <br /> DEPTH OF WELL feet 100th's 5011 FEET TOTAL VOLUME PURGED 623 GAL <br />' STANDING WATER COLUMN 1272 FEET I DEPTH OF PUMP 48 FEET <br /> FIELD PARAMETERS <br /> TIME CUMULATIVE DRAW PUMPING pH E C TEMP O R P DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br />' PER PURGE (DTW) (GPMILPM) (units) (Umbos) (Celsius) (Mvolts) (PPM) (N TIT) <br /> 0 N/A 5 GPM 714 1633 228 -10 066- CLDY GREY <br /> 208 7 12 1675 226 16 075 " <br />' <br /> 415 711 1656 225 32 045 CLEAR <br /> 623 7 13 1626 226 39 063 " <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 75' <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 EQ UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITHA STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 17 SS GAL STEEL DR UM OR 60 GAL POLY DRUM <br />' INSTRUMENTATION Y S 1556 MULTIPROBE SYSTEM Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 580B P 1 D <br /> KECK INTERFACE METER TURBIDITY METER <br /> 1 <br />