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• DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 1999 <br /> i <br /> SAMPLE LOCATION/MW - 1055 DATE: 9/1/99 <br /> 1 PROJECT NAME: GEORGE'S SERVICE ANALYSIS PERFORMED- SEE CHAIN OF CUSTODY <br /> ADDRESS: 1600 DURHAM FERRY ROAD SAMPLE TIME. 1737 <br /> 1 CITY STATE TRACY,CA SAMPLE CONTAINERS: 2 VOA'S& 1 BLANK <br /> SITE CONTACT: GEORGE OR MAE PRESERVATIVES: HCL <br /> CONSULTANT: GEOLOGICAL TECHNICS J NC LAB ANALYSIS BY- BSK LABS <br /> PROTECT MANAGER RAY OR MIKE MONUMENT: FLUSH <br /> SAMPLER: DEL TECH WELL CASING MATERIAL PVC <br /> SIGNED , WELL CASING DIA.: 2" / 01632 <br /> 1 SAMPLE MEDIA GROUNDWATER P.I.D.READING/ODOR NIA NONE <br /> TOP OF CASING ELEVATION MSI. COLOR: CLEAR <br /> DEPTH TO WATER: (feet.100th'S) 879 FEET CALC.PURGE VOL.: 3 98 GAL <br /> DEPTH OF WELL: (feet lWth's) 3320 FEET TOTAL VOLUME PURGED 12 GAL <br /> STANDING WATER COLUMN: 2441 FEET DEPTH OF PUMP. N/A FEET <br /> FIELD PARAMETERS <br /> TIME CASING DRAW PLTNMNG pH E C. TEMP O.R.P DISSOLVE TURBIDITY <br /> 1VOLUMEDOWN RATE OXYGEN COLOR <br /> PER PURGE (D.T W) (GPM/Lpw (units) (UmMHOS) (Cdslus) (M—Its) (PPM) (N T U) <br /> 0 NIA 5 GPM 742 1260 202 -44 NIA CLEAR <br /> 1 4 ;i 739 1260 203 -32 <br /> 8 740 1258 202 -10 " <br /> 12 740 1255 201 -68 <br /> PURGE METHOD CENTRIFUGAL PUMP <br /> 1 SAMPLE METHOD I'STAINLESS STEEL BAILER <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 12 64' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE AMERICAN LOCK IS INSTALLED <br /> 1 WELL LOCATION SEE SnE MAP <br /> REMARKS GOOD RECHARGE <br /> WEATHER CLEAR WIND NWI O <br /> QUALITY CONTROL ALL PURGING EQ UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELL?WII'HA STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT DO T 1755 GAL STEEL DRUM OR 60 GAL POLY DR UM <br /> 1 INSTRUMENTATION Y S 1 3560 FLOWCELL Y S L DISSOLVED OXYGEN METER <br /> . SOLIN1Sf SLOPE METER THERMODINE 580B P I D <br /> 1 KECK INTERFACE METER TURBIDITY METER <br /> 1 <br />