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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> ' MONITORING WELL FIELD LOG 2004 <br /> SAMPLE LOCATION 1 MW- 4 DATE: 4/27/2004 <br /> ' PROTECT NAME GEORGE'S SERVICE ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS- 1600 DURHAM FERRY ROAD SAMPLE TIME 1522 <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 10 AMWELL CASING DIA Ti / 0 1632 <br /> SAMPLE MEDIA GROUNDWATER P I D READING/ODOR N/A NONE <br /> TOP OF CASING ELEVATION- MSL COLOR CLEAR <br /> DEPTH TO WATER feet I00th's 1254 FEET CALC.PURGE VOL 141 GAL <br /> DEPTH OF WELL feet 100th's 2121 FEET TOTAL VOLUME PURGED 424 GAL <br />' STANDING WATER COLUMN: 867 FEET DEPTH OF PUMP 20 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/LPM) (units) (MsMHOS) (Celslus) (Molts) (PPM) (N T U) <br /> 0 N/A 5 GPM 751 1198 208 -380 071 CLEAR <br /> 141 " " 754 1192 203 -490 072 " <br />' <br /> 283 " 766 1194 203 -445 07 " <br /> 424 tl759 1192 206 -392 07 " <br />' PURGE METHOD HONDA CENTRIFUGAL PUMP <br /> SAMPLE METHOD 1'STAINLESS STEEL BAILER WITH STAINLESS STEEL WIRE LINE <br />' D T W ATTER PURGE D T W AT SAMPLE TIME 15 04' <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 EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITHA STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL STEEL DRUM OR 60 GAL POLYDR UM <br /> INSTRUMENTATION Y S 1 3 560 FLOWCELL Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 5SOB P I D <br /> KECK INTERFACE METER TURBIDITY METER <br />