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i DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 1999 <br /> SAMPLE LOCATION/MW - 7 DATE: 9/i/99 <br /> PROJECT NAME, GEORGE'S SERVICE ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: 1600 DURHAM FERRY ROAD SAMPLE TIME. 1342 <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 a DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED WELL CASING DIA.. 2" / 01632 <br /> SAMPLE MEDIA: GROUNDWA'T'ER P.I.D.READING/ODOR. NIA NONE <br /> TOP OF CASING ELEVATION MSL COLOR: LIGHT BROWN <br /> DEPTH TO WATER: (feeL100th'S) 898 FEET CALC.PURGE VOL.: 207 GAL <br /> DEPTH OF WELL: (feet.100th's) 2170 FEET TOTAL VOLUME PURGED 6 GAL <br /> STANDING WATER COLUMN: 1272 FEET DEPTH OF PUMP: N/A FEET <br /> FIELD PARAMETERS <br /> TIME CASING DRAW PUMPING pH E.C. TEMP. O R.P. ISSOLVEIC TURBIDITY <br /> VOLU>rr DOWN RATE OXYGEN COLOR <br /> PER PURGE (D T W) (GPM/LPK (units) (U-MOS) (Cddus) (Mvolts) (PPM;) (N T U) <br /> 0 NIA 5 GPM 766 1186 214 -24 NIA BROWN <br /> DRY 2 758 1252 214 -45 <br /> DRY 4 758 1260 214 -47 " <br /> IDRY 6 756 1263 215 -50 " <br /> PURGE METHOD CENTRIFUGAL PUMP <br /> SAMPLE METHOD I'STAINLESS STEEL BAILER <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 10 57' <br /> WELL INTEGRITY CAP&SFAL ARE SECURE ANIMCAN LOCK IS INSTALLED <br /> WELL LOCATION SFE SITE MAP <br /> REMARKS VERY POOR RECHARGE <br /> i, WEATHER CLEAR WIND NW 10 <br /> QUALITY CONTROL ALL PURGING EQUIPMENT AND SAMPLING EQ UIPMENI'WAS CLEANED AT THE <br /> i� 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 1 3560 FLOWCELL Y S L DISSOLVED OXYGEN METIER <br /> SOLIIVIb'r SLOPE MSl'IIt T EMMODINE 580B P 11) <br /> KECK INTERFACE METER TURBE=METER <br />