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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2006 <br /> ' SAMPLE LOCATION I MW - 4 DATE- 1/22/2006 <br /> ' PROJECT NAME GEORGE'S SERVICE ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS. 1600 DURHAM PERRY ROAD SAMPLE TIME- 1618 <br /> CITY,STATE: TRACY,CA SAMPLE CONTAINERS: 4 VOA'S <br /> ' SITE CONTACT GEORGE&MAE PRESERVATIVES HCL <br /> CONSULTANT- GEOLOGICAL TECHNICS LAB.ANALYSIS BY: EXCELCHEM LABS <br /> PROJECT MANAGER ERIC PRICE MONUMENT FLUSH <br /> SAMPLER DEL-TECH/DON LIGHT WELL CASING MATERIAL PVC <br /> SIGNED WELL CASING DIA . 2" 1 01632 <br /> SAMPLE MEDIA GROUNDWATER P.I D READING/ODOR NIA MUSTY <br /> ' TOP OF CASING ELEVATION. MSL COLOR: CLEAR <br /> DEPTH TO WATER (feet100th's) 12 85 FEET CALC.PURGE VOL• 136 GAL <br /> DEPTH OF WELL- (feet 100th's) 2121 FEET TOTAL VOLUME PURGED. 409 GAL <br /> STANDING WATER COLUMN- 936 FEET I 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/I.PM) (units) (MsMHOS) (Celsius) (Mvolts) (PPM) (N T U) <br /> 0 NIA 5 GPM 786 1471 213 31 3 037 CLEAR <br /> 136 786 1421 223 315 037 " <br /> 273 786 1441 231 316 038 " <br /> 409 785 1445 237 318 039 " <br /> PURGE METHOD HONDA CENTRIFUGAL PUMP <br /> ' SAMPLE METHOD DEDICATEED WATERRA INERTIA TUBING <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 15 93' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS <br /> WEATHER CLEAR SKIES/SUNNY WIND NONE <br /> QUALITY CONTROL ALL PURGING EQUIPMENTAND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITH A STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D D T 17 55 GAL.ST'EE'L DRUM OR 60 GAL.POLY DR UM <br /> INSTRUMENTATION Y S 1 3560 FLOWCELL Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE'METER T14ERMODINE 580B P I D <br /> KECK INTERFACE METER TURBIDITY METER <br />