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• DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br />' MONITORING WELL FIELD LOG 1999 <br /> I <br /> SAMPLE LOCATION/MW - 107 DATE: 4/28199 <br /> PROJECT NAME: GEORGE'S SERVICE ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: 1600 DURHAM FERRY ROAD SAMPLE TIME: 1107 <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" 1 01632 <br /> I SAMPLE MEDIA: GROUNDWATER P.LD.READING/ODOR: N/A NONE <br /> TOP OF CASING ELEVATION: MSL COLOR: LT BROWN TO CLEAR <br /> DEPTH TO WATER: Det.100th's 10 77 FEET CALL.PURGE VOL.: 638 GAL <br />' DEPTH OF WELL: feet.l00th's 49 90 FEET TOTAL VOLUME PURGED: 195 GAL <br /> STANDING WATER COLUMN: 39 13 FEET DEPTH OF PUMP: NIA FEET <br /> FIELD PARAMETERS <br /> TIME CASING DRAW PUMPING pH E.C. TEMP. O.R P. DISSOLVE TURBIDITY <br /> VOLUME DOWN RATE OXYGEN COLOR <br /> PE!PURGE (D T W.) (GPMlLm (units) (U=kNmos) (Cddus) (Mvolts) (PPM) (N T U) <br /> 0 N/A 5 GPM 756 1480 238 51 NIA LT BRN <br /> 65 738 1430 202 61 CLEAR <br /> 13 734 1410 203 45 <br /> 195 732 1410 211 25 " <br /> PURGE METHOD. CENTRIFUGAL PUMP <br />' SAMPLE METHOD I'STAINLESS STEEL BAILER <br /> D.T W AFTER PURGE D T W.AT SAMPLE TIME 1227 <br /> WELL INTEGRITY. CAP&SEAL ARE SECURE AMERICAN LOCK IS INSTALLED <br />' WELL LOCATION SEE SITE MAP <br /> REMARKS. GOOD RECHARGE <br /> WEATHER CLEAR WIND NW10 <br /> UALITY CONTROL ALL PURGING E UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WHHA STEAMCLFANER do ALCONOX SOAP NEW)VnRILE GLOVES <br /> CONTAINMENT D O T 17 SS GAL STEEL DRUM OR 60 GAL POLY DRUM <br />' INSTRUMENTATION Y S I 3560 FLOWCPI-L Y S L DISSOLVED OXYGEN METER <br /> . SOLINIST SLOPE METER THERMODWE 580B P I.D <br /> KECK INTERFACE METER TURBIDrrY MEIER <br />