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i <br /> �• DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIEID LOG 1999 <br /> SAMPLE LOCATION/MW - 102 DATE: 4128199 <br /> PROJECT NAME: GEORGE'S SERVICE ANALYSIS PERFORMED. SEE CHAIN OF CUSTODY <br /> ADDRESS: 1600 DURHAM FERRY ROAD SAMPLE TIME: 1507 <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 LABS <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 NONE <br /> TOP OF CASING ELEVATION: MSL COLOR: LT BROWN TO CLEAR <br /> DEPTH TO WATER: feeL100th's 1049 FEET CALC.PURGE VOL.. 625 GAL <br /> DEPTH OF WELL (feet.100th's) 4880 FEET TOTAL VOLUME PURGED: 195 GAL <br />' STANDING WATER COLUMN: 3831 FEET DEPTH OF PUMP: N/A FEET <br /> FIELD PARAMETERS <br /> toTIME CASING DRAW PUMPING pH E.C. TEMP. O.R.P. I3SOLVE TURBIDITY <br /> VOLUNM DOWN RATE OXYGEN COLOR <br /> PLR PURGE (D T W) (CPmmj" (units) (U-migos) (Celsius) (Mvolts) (PPw (N T U) <br /> 0 N/A 5G PM 7 29 1438 245 -81 N/A LT BRN <br /> 65 738 1419 198 -60 CLEAR <br /> 13 7 58 1386 195 -42 " <br /> 195 740 1384 198 -37 " <br />' PURGE METHOD. CENTRIFUGAL PUMP <br /> SAMPLE METHOD I'STAINI.ErSS STEEL BAKER <br />' D.T W AFTER PURGE. D T W AT SAMPLE TIME 1755 <br /> WELL INTEGRITY CAP&SEAL ARE SECURE AMERICAN LOCK IS INSTAT I <br /> WELL LOCATION SEE STFE MAP <br />' REMARKS GOOD RECHARGE <br /> WEATHER. CLEAR WIND NW 14 <br /> QUALITY CONTROL ALL PURGING E UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br />' FIELD WITHA STF"CLE ANEW&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 1755 GAL STEEL DRUM OR 60 GAL.POLY DRUM <br />' INSTRUMENTATION Y S 1 3560 FLOWCAT L Y S L DISSOLVED OXYGEN METER <br /> SOLINNIST SLOPE METER THERMODINE 5808 P I D <br /> KECK INTERFACE MMM TURBID=N\ffiI'ER <br /> 1 <br />