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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> ' MONITORING WELL FIELD LOG 2002 <br /> 1 SAMPLE LOCATION /MW— 3 DATE. 9/11/2002 <br /> ' PROJECT NAME GEORGE' S SERVICE ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS: 1600 DURHAM FERRY ROAD SAMPLE TIME 1011 <br /> CITY,STATE TRACY,CA SAMPLE CONTAINERS 2 V O A'S <br /> SITE CONTACT GEORGE&MAE PRESERVATIVES- HCL <br /> CONSULTANT GEOLOGICAL TECHNICS LAB ANALYSIS BY SHERWOOD LABS <br /> ' PROJECT MANAGER RAY KABLANOW MONUMENT FLUSH <br /> SAMPLER DEL-TECH WELL CASING MATERLAL PVC <br /> SIGNED WELL CASING DIA 2" / 0 1632 <br /> ' SAMPLE MEDIA M GROUNDWATER P.I D.READING/ODOR NIA NONE <br /> TOP OF CASING ELEVATION MSL COLOR CLEAR <br /> DEPTH TO WATER feet lWth's 1228 FEET CALL.PURGE VOL 122 GAL <br /> ' DEPTH OF WELL feet.100th's 1978 FEET TOTAL VOLUMEPURGED 45 GAL <br /> STANDING WATER COLUMN. 750 FEET DEPTH OF PUMP N/A 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 (D T W) (GPM/LPMI (units) (MsMHC)Q) (Ceis­s) (Mvaits) (PPM) (N T U) <br /> 0 N/A 5 GPM 748 1550 147 -63 2 229 CLEAR <br /> 15 if to 755 1492 229 -539 232 " <br /> ' 3 749 1487 227 —516 201 if <br /> 45 to757 1499 229 —441 189 " <br /> ' PURGE METHOD HONDA CENTRIFUGAL PUMP <br /> SAMPLE METHOD 1'STAINLESS STEEL BAILER WITH STAINLESS STEEL WIRE LINE <br /> ' D T W AFTER PURGE D T W AT SAMPLE TIME 15 22' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE SITE MAP <br />' REMARKS FAIR RECHARGE/WELL ALMOST GOES DRY <br /> WEATHER CLEAR&HOT WIND NONE <br /> QUALITY CONTROL ALL PURGING E UIPMENT.4ND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITH A STE 4MCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL STEEL DRUM OR 60 GAL POLYDRUM <br /> INSTRUMENTATION Y S 1 556 MUTIPROBE SYSTEM Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 580B P I D <br /> KECK INTERFACE METER TURBIDITY METER <br />