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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> ' MONITORING WELL FIELD LOG 2004 <br /> SAMPLE LOCATION/MW- 4 DATE: 4/29/2004 <br /> ' PROJECT NAME MORITAS BROSANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 814 E CHARTER WAY SAMPLE TIME- 820 <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 1 ODOR N/A NONE <br /> TOP OF CASING ELEVA ON MSL COLOR- LIGHT GREY <br /> DEPTH TO WATER feet 100th's 3599 FEETCALC PURGE VOL 230 GAL <br /> DEPTH OF WELL feet.100th's 50 11 FEET TOTAL VOLUME PURGED 691 GAL <br /> ' STANDING WATER COLUMN 1412 FEET DEPTH OF PUMP 48 FEET <br /> FIELD PARAMETERS <br /> TIME CUMULATIVE DRAW PUMPING pH E C TEMP ORP DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE ()T W.) (GPMILPM) (units) mhos) (Celsius) (Mvoits) (PPM) (H T U) <br /> 0 NIA 5 GPM 775 1205 243 Soo 083 LT GREY <br /> ti <br /> 230 749 1152 222 -1139 097 <br /> 461 733 1141 22 1 -980 092 <br /> 691 741 1149 22 -112 098 " <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 4101' <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 WITHA STEAMCLEANER&ALCONOXSOAP NEWNITRILE GLOVES <br /> CONTAINMENT D O T 17 55 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 580B P I D <br /> KECK INTERFACE METER TURBIDITY METER <br />