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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> 1 <br /> MONITORING WELL FIELD LOG 1999 <br />' SAMPLE LOCATION/MW - 1 DATE: 4/28/99 <br />' PROJECT NAME- GEORGE'S SERVICE ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: 1600 DURHAM FERRY ROAD SAMPLE TIME- 1216 <br /> CITY STATE: TRACY,CA SAMPLE CONTAINERS 2 VOA'S& 1 BLANK <br />' SITE CONTACT: GEORGE OR MAE PRESERVATIVES: HCL <br /> CONSULTANT: GEOLOGICAL TECHNICS INC LAB.ANALYSIS BY: BSK TABS <br />' PROJECT MANAGER RAY OR 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. N/A GAS <br />' TOP OF CASING ELEVATION: MSL COLOR: LT BROWN TO CLEAR <br /> DEPTH TO WATER: (feet100th's) 10 76 FEET CALC.PURGE VOL.. 146 GAL <br /> DEPTH OF WELL: (feeL100W's 1975 FEET TOTAL VOLUME PURGED: 45 GAL <br /> STANDING WATER COLUMN: 899 FEET DEPTH OF PUMP: NIA FEET <br /> FIELD PARAMETERS <br /> TIME CASING DRAW PUMPING pH E.C. TEMP. O.R.P. ISSOLVE TURBIDITY <br /> VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D T W.) (GIPWLPAO (units) (UmMHOS) (Celsius) (Mv01t8) (PPM) (1N T U) <br /> 0 N/A 5 GPM 752 959 21 -80 N/A LT BRN <br /> 15 753 906 20 -98 CLEAR <br /> 3 764 886 203 -82 " <br /> 4 5 766 884 201 -76 LT BRN <br />' PURGE METHOD CENTRIFUGAL PUMP <br /> SAMPLE METHOD 1'STAINLESS STEEL BAILER <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 1102 <br /> WELL INTEGRITY CAP&SEAL ARE SECURE AMERICAN LOCK IS INSTALLED <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS GOOD RECHARGE <br /> rWEATHER CLEAR WIND NW 10 <br /> QUALITY CONTROL ALL PURGING E UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br />' FIELD WITH A 87FAMCLEANER&ALCONOX SOAP NEW NnWLE GLOVES <br /> CONTAINMENT D O T 17 55 GAL.STEEL DRUM OR 60 GAJ..POLY DRUM <br /> INSTRUMENTATION Y S 1 3560 FIAWCELL Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THPRMODINE 580B P 1.1) <br /> KECK IIrfERFACE METER TURBIDITY METER <br /> (o #OF DRUMS ON SIGHT: WATER: 3 SOIL: 0 <br /> I <br /> I <br />