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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br />' MONITORING WELL FIELD LOG 2002 <br />' SAMPLE LOCATION I MW T 10 DATE- 2/26/2002 <br /> ' PROJECT NAME 3 M E UIPMENT ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 1245 WEST CHARTER WAY SAMPLE TIME 1549 <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" / 01632 <br /> SAMPLE MEDIA GROUNDWATER P I D READING/ODOR NIA NONE <br /> TOP OF CASING ELEVA I N MSL COLOR LIGHT GREY TO CLEAR <br /> DEPTH TO WATER (feet 100th's) 1432 FEET CALC PURGE VOL 261 GAL <br /> DEPTH OF WELL (feet 100th's) 3034 FEET TOTAL VOLUME PURGED 9 GAL <br /> STANDING WATER COLUMN 1602 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) (GPM/Lpw (units) (MsMHOS) (Celsius) (mvolts) (PPM) (N T U) <br /> 0 N/A 5 GPM 717 858 213 -82 N/A LT GREY <br /> 3 732 860 212 -89 CLEAR <br /> ' 6 724 842 215 -83 " <br /> 9 725 857 217 -81 " <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 1915, <br /> WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE SITE MAP <br /> tREMARKS GOOD RECHARGE <br /> WEATHER OVERCAST SKIES WIND <br /> 1 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 1755 GAL STEEL DRUMOR 60 GAL POLYDRUM <br /> ' INSTRUMENTATION Y S 13560 FLOWCELL Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 580B P I D <br /> ' KECK INTERFACE METER TURBIDITY METER <br /> 1 <br />