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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> • <br /> MONITORING WELL FIELD LOG 1998 <br /> SAMPLE LOCATION 1 MW - 2 DATE: 2124198 <br /> PROJECT NAME GEORGE'S SERVICE ANALYSIS PERFORMED- TPH-GAS,B T X E <br /> —ADDRESS- 1600 DURHAM FERRY ROAD SAMPLE TIME. 1725 <br /> CITY,STATE TRACY,CA SAMPLE CONTAINERS. 2 V O A's & I B B <br /> SITE CONTACT. GEORGE OR MAE PRESERVATIVES: HCI. <br /> CONSULTANT: GEOLOGICAL TECHNICSINC LAB.ANALYSIS BY: SHERWOOD <br /> PROJECT MANAGER RAY OR MIKE MONUMENT. FLUSH <br /> SAMPLER- DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED: WELL CASING DIA . 2" 1 01632 <br /> SAMPLE MEDIA. GROUNDWATER P.I D.READING/ODOR. ALARM GASOLINE <br /> TOP OF CASING ELEVA ON• MSL COLOR GREY <br /> DEPTH TO WATER. (feeLI00th's) GAS FEET CALC.PURGE VOL.: NIA GAL <br /> DEPTH OF WELL. (feet.100th's) 1955 FEET TOTAL VOLUME PURGED 10 GAL <br /> STANDING WATER COLUMN: N/A FEET DEPTH OF PUMP: N/A FEET <br /> FIELD PARAMETERS <br /> TIME CASING DRAW PUMPING pH E.C. TEMP ORP ISSOLVEJ TURBIDITY <br /> VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D T W) (GP ILPNO (units) NmHOS) (Com-) (mvolts) (PPM) (N T U) <br /> 0 NIA 5 GPM 745 1345 196 1 -62 N/A GREY <br /> 723 1415 205 -58 <br /> " <br /> 720 1537 202 -49 " <br /> " <br /> 719 1648 203 -47 " <br /> PURGE METHOD CENTRIFUGAL PUMP <br /> SAMPLE METHOD 1'STAINLESS STEEL BAILER <br /> D T W AFTER PURGE D T W AT SAMPLE TIME <br /> WELL INTEGRITY CAP&SEAL ARE SECURE AMERICAN LOCK IS INSTALLED <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS STRONG GAS ODOR. 1/4"FLOATING PRODUCT <br /> WELL SOX LID IS BROKEN <br /> WEATHER OVERCAST SKIES WIND NW5 <br /> QUALITY CONTROL ALL,PURGWG EQUIPMENTAND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIEF WITS A STE4MCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 1755 GAL STEEL DRUM OR 60 GAL POLY DRUM <br /> INSTRUMENTATION Y&L 3560 FLOWCELL Y S L DISSOLVED OXYGENM= <br /> SOLLVIST SLOPENfE`rM THERMODINE 580E P I.D <br /> KECK R4TEPFACE,%(E`rR TURBMrrY N[ETER <br />