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t DEL--TECH GEOTECHNICAL SUPPORT SERVICES <br /> ' MONITORING WELL FIELD LOG 2002 <br /> ' SAMPLE LOCATION /MW— 10 DATE- 12/20/2002 <br /> ' PROJECT NAME J M EQUIPMENT ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 1245 WEST CHARTER WAY SAMPLE TIME 10 58 <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 RAY/MIKE MONUMENT FLUSH <br /> ' SAMPLER DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED WELL CASING DIA 2" / 0 1632 <br /> SAMPLE MEDIA GROUNDWATER P I D READING/ODOR N/A NONE <br /> TOP OF CASING ELEVA FION MSL COLOR LIGHT GREY <br /> DEPTH TO WATER feet 100th's 1654 FEET CALC PURGE VOL 225 GAL <br /> DEPTH OF WELL feet 100t11's 3034 FEET TOTAL VOLUME PURGED 75 GAL <br /> STANDING WATER COLUMN 13 80 FEET I DEPTH OF PUMP N/A 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 (D T W) (GPMILPM) (units) (MsMHOS) (Celsius) (MVolts) (PPM) (N T U) <br /> 0 N/A 15GEPM 7 40 1325 211 -75 3 N/A LT GREY <br /> 25 " 7 52 1299 21 4 -81 " "5 " 7 64 1285 21 3 -902 " " <br /> ' 75 7 72 1278 21 3 -975 it <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 19 86' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS NEW CAP INSTALLED <br /> WEATHER OVERCAST SKIES WIND <br /> QUALITY CONI ROL ALL PURGING E UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> ' FIELD WITH A STEAMCLEANER&A LCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL STEEL DR UM OR 60 GAL POLY DR UM <br /> INSTRUMENTATION Y S 1 556 MULTIPROBE SYSTEM Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 58013 P I D <br /> KECK IN1 ERFACE METER TURBIDITY METER <br />