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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br />■ MONITORING WELL FIELD LOG 2004 <br />' SAMPLE LOCATION/MW— 3 DATE: 4/27/2004 <br />' PROJECT NAME GEORGE'S SERVICE ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 1600 DURHAM FERRY ROAD SAMPLE TIME 14 56 <br />' CITY,STATE TRACY,CA SAMPLE CONTAINERS 4 VOA'S <br /> SITE CONTACT GEORGE&MAE PRESERVATIVES HCL <br /> CONSULTANT GEOLOGICAL TECHNICS LAB ANALYSIS BY SHERWOOD LABS <br />' PROJECT MANAGER ERIC PRICE MONUMENT FLUSH <br /> SAMPLER DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED s WELL CASING DIA 2" / 01632 <br /> SAMPLE MEDIA GROUNDWATER P I D READING/ODOR N/A NONE <br /> TOP OF CASING ELEVA ION MSL COLOR CLEAR <br /> DEPTH TO WATER feet 100th's 11 92 FEET CALC PURGE VOL 125 GAL <br />' DEPTH OF WELL feet 100th's 1960 FEET TOTAL VOLUME PURGED 376 GAL <br /> STANDING WATER COLUMN 768 FEET I DEPTH OF PUMP 19 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/LPM) (units) (MsMHOS) (Celsius) (Mvolts) (PPM) (N T U) <br /> 0 N/A 5 GPM 765 1410 203 -14 061 1 CLEAR <br /> 125 " " 762 1458 21 7 -33 24 " <br /> 251 rl762 1465 21 6 -45 ill it <br /> 376 764 1461 216 -39 124 " <br />' PURGE METHOD HONDA CENTRIFUGAL PUMP <br /> SAMPLE METHOD I'STAINLESS STEEL BAILER WITH STAINLESS STEEL WIRE LINE <br />' D T W AFTER PURGE D T W AT SAMPLE TIME 14 55' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE SITE MAP <br />' REMARKS POOR RECHARGE <br /> WEATHER CLEAR SKIES WIND NONE <br /> QUALITY CONTROL ALL PURGING EQUIPMENTAND SAMPLING EQ UIPMENT WAS CLE,41VED IN THE <br />' <br /> FIELD WITHASTEAMCLEANER&,4LCONOXSOAP NEWNITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL STEEL DRUM OR 60 GAIL POLYDRUM <br />' INSTRUMENTATION Y S 1 3560 FLOWCELL Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 58OB P I D <br /> KECK INTERFACE METER TURBIDITY METER <br />