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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 1998 <br /> SAMPLE LOCATION/MW - 1 DATE: 2/24/98 <br /> PROJECT NAME GEORGE'S SERVICE ANALYSIS PERFORMED- TPH-GAS,B TX E <br /> ADDRESS 1600 DURHAM FERRY ROAD SAMPLE TIME: 1716 <br /> CITY.STATE. 'TRACY,CA SAMPLE CONTAINERS 2 V O A 's& 1 B B <br /> SITE CONTACT GEORGE OR MAE PRESERVATIVES. HCL <br /> CONSULTANT GEOLOGICAL TECHNICS INC LAB.ANALYSIS BY SHERWOOD <br /> PROJECT MANAGER RAY OR MIKE MONUMENT FLUSH <br /> SAMPLER k 1 1. . DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED• WELL CASING DIA.. 2" 1 0 1632 <br /> SAMPLE MEDIA. GROUNDWATER P I.D.READING/ODOR 863 PPM GAS <br /> TOP OF CASING ELEVA ON• MSL COLOR CLEAR <br /> DEPTH TO WATER. (feet100th's) 743 FEET CALC.PURGE VOL. 201 GAL <br /> DEPTH OF WELL (feet100th's) 1975 FEET TOTAL VOLUME PURGED 75 GAL <br /> STANDING WATER COLUMN: 1232 FEET I DEPTH OF PUMP: NIA FEET <br /> FIELD PARAMETERS <br /> TIME CASING DRAW PUMPING pH I E.C. TEMP. O R.P ISSOLVE TURBIDITY <br /> VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D T W) (GPM/LVM) (wuts) (UmHOS) (Cewus) (Mvolis} (PP'4D (N T U) <br /> 0 NIA 5 GPM 761 1540 217 1 -1 N/A CLEAR <br /> 25 767 1077 211 -20 <br /> 5 771 1076 212 5 " <br /> 75 772 1061 199 12 " <br /> PURGE METHOD CENTRIFUGAL PUMP <br /> SAMPLE METHOD F STAINLESS STEEL BARER <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 8 20' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE AMERICAN LOCK IS INSTALLED <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS GOOD RECHARGE <br /> WEATHER OVERCAST SKIES WIND NW5 <br /> UALTTY CONTROL ALL PURGING E UIPMENT AND SAMPLING E UIPMENT WAS CLEANED I1V THE <br /> FIELD WITH A STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL STEEL DRUM OR 60 GAL POLY DRUM <br /> INSTRUMENTATION Y S.I.3560 FLOWCELL Y S L DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE Nffi ER THERMODINE 580B P ID <br /> KECK IMFRFACE hit;iFR TURBIDCPY MEIF.IZ <br /> • #OF DRUMS ON SIGHT WATER: 4 SOIL: 0 <br />