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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 1998 <br /> SAMPLE LOCATION/MW - 8 DATE: 2124198 <br /> PROJECT NAME GEORGE'S SERVICE ANALYSIS PERFORMED* TPH-GAS,B T X E <br /> ADDRESS: 1600 DURHAM FERRY ROAD SAMPLE TIME: 1643 <br /> CITY.STATE. TRACY,CA SAMPLE CONTAINERS: 2 V O A's & I 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 RUSH <br /> SAMPLER DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED. WELL CASING DIA.• 2" 1 01632 <br /> SAMPLE MEDIA Q GROUNDWATER PLD READING/ODOR- 0 PPM NONE <br /> TOP OF CASING ELEVATION- MSL COLOR: BROWN <br /> DEPTH TO WATER McL100th's) 702 FEET CALC.PURGE VOL.: 236 GAL <br /> DEPTH OF WELL: (feeL100th's) 2150 FEET TOTAL VOLUME PURGED, 75 GAL <br /> STANDING WATER COLUMN: 1448 FEET DEPTH OF PUMP NIA FEET <br /> IF <br /> FIELD PARAMETERS <br /> TIME CASING DRAW PUMPING pH E.C TEMP O R.P. ISSOLVE TURBIDITY <br /> lie var.UME DOWN RATE OXYGEN COLOR <br /> PER PURGE (DTW) (GPMILPNn (units) (UmHOS) (Cdwus) (Mvolts) (PPM) (Ni T U) <br /> 0 NIA 5 GPM 735 1335 195 52 NIA BROWN <br /> 25 751 1265 196 29 <br /> 5 751 1296 204 19 <br /> 75 750 1290 202 15 " <br /> PURGE METHOD CENTRIFUGAL PUMP <br /> SAMPLE METHOD 1'STAINLESS STEEL BAILER <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 13 02' <br />' WELL INTEGRITY CAP&SEAL ARE SECURE AMERICAN LOCK IS INSTALLED <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS POOR RECHARGE GOES DRY BETWEEN PURGES <br /> WEATHER OVERCAST SKIES WIND NW5 <br /> UALITY CONTROL ALL PURGING E UIPMENT AND SAMPLING EQUIPMENT WAS CLFANED IN THE <br /> FIELD WFFHA STEAMCLE4NER&ALCONOX SOAP NEW NrIRILE 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 />' SOLIMST SLOPE Nf= THERMODINE 580B P I D <br /> KECK INTERFACE METER TURBIDITY MEI ER <br />