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DEL-TEECH GEOTECHNICAL SUPPORT SERVICES <br /> 1 <br /> MONITORING WELL FIELD LOG 1999 <br />' SAMPLE LOCATION/MW - 5 DATE: 4/28/99 <br />' PROJECT NAME. GEORGE'S SERVICE ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS 1600 DURHAM FERRY ROAD SAMPLE TIME: 1420 <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: DELJECH 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 <br /> DEPTH TO WATER: (feeL100th's) 1046 FEET CALC.PURGE VOL.: 067 GAL <br /> DEPTH OF WELL: feet.100th's) 1460 FEET TOTAL VOLUME PURGED 3 GAL <br /> STANDING WATER COLUMN: 414 FEET DEPTH OF PUMP: N/A FEET <br /> FIELD PARAMETERS <br /> toTIME CASING DRAW PUMPING pH E C. TEMP. O.R.P. ISSOLVE TURBIDITY <br /> VOLUME DOVM RATE OXYGEN COLOR <br /> PER PURGE (D T W) (GPMILPM) (uni15) (UmMHOS) (Cd�us) (Mvolis) (PPM) (N T U) <br /> 0 N/A 5 GPM 735 1123 228 -90 N/A LT BRN <br /> 1 722 1392 23 -73 " <br /> 2 726 1326 209 -66 " <br />' 3 724 1337 219 -67 " <br /> r <br /> i <br />' PURGE METHOD CENTRIFUGAL PUMP <br /> SAMPLE METHOD 1'STAINLESS STEEL BAII.ER <br />' D T,W AFTER PURGE D T W AT SAMPLE TIME 1321 <br /> WELL INTEGRITY CAP&SEAL.ARE SECURE AMERICAN LOCK IS INSTALLED <br /> WELL LOCATION SFE SITE MAP <br /> REMARKS GOOD RECHARGE <br />' WEATHER CLEAR WIND. NW 10 <br /> QUALITY CONTROL ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br />' FIELD WITH A STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL.STEEL DRUM OR 60 GAL POLY DRUM <br />' <br /> INSTRUMENTATION* Y S I 3560 FLOWCELL Y S I DISSOLVED OXYGEN METER <br /> SOLIMST SLOPE NM= TIiEItMODI M 580B P I.D <br /> KECK INTERFACE METER TMIDFTY MEM <br />