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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> ' MONITORING WELL FIELD LOG 2004 <br /> SAMPLE LOCATION/MW- 109 DATE: 4/29/2004 <br /> PROJECT NAME MORITAS BROS ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 814 E CHARTER WAY SAMPLE TIME 18 26 <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 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 ELEV ON MSL COLOR GREY <br /> DEPTH TO WATER feet I00th's 37 29 FEET CALC PURGE VOL. 225 GAL <br /> DEPTH OF WELL feet 100th's 51 10 FEET TOTAL VOLUME PURGED 676 GAL <br />' STANDING WATER COLUMN 13 81 FEET DEPTH OF PUMP 50 FEET <br /> FIELD PARAMETERS <br /> TIME CUMULATIVE DRAW PUMPING pH E CTEMP ORP DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br />' PER PURGE (D T W) (GPMILPM) (units) (Urohos) (Celsius) (Mvolts) (PPM) (N T U) <br /> 0 N/A 5 GPM 1158 1502 199 -377 16 GREY <br /> 225 " " 1213 1636 198 -296 21 " <br />' <br /> 451 if 1182 1330 197 -282 11 It <br /> 676 it 11 11 1456 197 -243 8 1 20 " <br />' PURGE METHOD WATERRA DEDICATED PUMP <br /> SAMPLE METHOD WATERRA DEDICATED PUMP <br />' D T W AFTER PURGE D T W AT SAMPLE TIME 42 69' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE SITE MAP <br />' REMARKS POOR RECHARGE <br /> WEATHER CLEAR SKIES WIND NW5 <br /> QUALITY CONTROL ALL PURGING E UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br />' FIELD WITH STEAMCLEANER&ALCONOXSOAP NEWNITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL STEEL DRUM OR 60 GAL POLY DRUM <br />' INSTRUMENTATION Y S 1556 MULTIPROBE SYSTEM Y S I DISSOLVED OXYGEN METER <br /> SOLMIST SLOPE METER THERMODINE 5808 P I D <br /> KECK INTERFACE METED TURBIDITY METER <br />