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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br />' MONITORING WELL FIELD LOG 1999 <br /> SAMPLE LOCATION I MW - 7 DATE: 4/28/99 <br />' PROJECT NAME- GEORGE'S SERVICE ANALYSIS PERFORMED. SEE CHAIN OF CUSTODY <br /> ADDRESS: 1600 DURHAM FERRY ROAD SAMPLE TIME: 1044 <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: GROUNDWATERP.I.D.READING/ODOR: NIA NONE <br />' TOP OF CASING ELEVATION: MSL COLOR: LIGHT BROWN <br /> DEPTH TO WATER: (feet.100th's 1065 FEET CALC.PURGE VOL.: 18 GAL <br /> DEPTH OF WELL- (feet.lWth's) 2170 FEET TOTAL VOLUME PURGED: 6 GAL <br />' STANDING WATER COLUMN: 1105 FEET DEPTH OF PUMP: N/A FEET <br /> FIELD PARAMETERS <br /> STIME CASING DRAW PUMPING pH E.C. TEMP. O.R.P. ISSOLVETURBIDITY <br /> VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D T.W) (GPMILPM? (units) (UmMHOS) (Cerus) (Mrolts) (PPM) (N T_U) <br />' 0 N/A 5 GPM 755 1400 19 210 N/A LT BRN <br /> 2 " 737 1460 223 23 <br /> 4 " " 760 1560 258 -40 " <br /> 6 756 1532 256 -38 " <br /> PURGE METHOD, CENTRIFUGAL PUMP <br /> SAMPLE METHOD I'STAINLESS STEEL BAILER <br />' D T W AFTER PURGE D T W AT SAMPLE TIME 1203 <br /> WELL INTEGRITY CAP&SEAL ARE SECURE AMERICAN LOCK IS INSTALLED <br />{ WELL LOCATION SPE SITE MAP <br /> REMARKS VERY POOR RECHARGE <br /> ' WEATHER. CLEAR WIIVD NW10 <br /> QUALITY CONTROL. ALL,PURGING E UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> ' FIELD WITHA 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 FLOWCEI L Y S L DISSOLVED OXYGEN METER <br /> SOLINISI'SLOPE METER THERMODINE 580E P I D <br /> KECK INTERFACE METER TURBIDITY MEIP.R <br /> 1 <br />