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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 1998 <br /> SAMPLE LOCATION/MW - 4 DATE: 11/13/98 <br /> PROJECT NAME: GEORGE'S SERVICE ANALYSIS PERFORMED: SEE CHA N OF CUSTODY <br /> ADDRESS: 1600 DURHAM FERRY ROAD SAMPLE TIME- 1455 <br /> CITY STATE: TRACY,CA SAMPLE CONTAINERS 4 VOA'S &1 B B <br /> SITE CONTACT: GEORGE OR MAE PRESERVATIVES: HCL <br /> CONSULTANT: GEOLOGICALTECI-INICS 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 MED GROUNDWATER P.I.D.READING/ODOR: NIA LT ODOR <br /> TOP OF CASINGEL ATION: MSL COLOR: CLEAR <br /> DEPTH TO WATER- feet.100th's 1062 FEET CALC.PURGE VOL.: 148 GAL <br /> DEPTH OF WELL: feeLlOOth's 1970 FEET TOTAL VOLUME PURGED: 6 GAL <br /> STANDING WATER COLUMN: 9118 FEET DEPTH OF PUMP: NIA FEET <br /> FIELD PARAMETERS <br /> TIME CASING DRAW PUMPING pH E C. TEMP. O.R.P. DISSOLVEE TURBIDITY <br /> VOLUME DOWN RA'Z'E OXYGIEN COLOR <br /> PER PURGE (D T W.) (GPbLIL.PM) (umts) (Un2AMOS) (Celsius) (M—Its) (PPM) (N T U) <br /> 0 N/A 5 GPM 732 1269 228 10 NIA CLEAR <br /> 2 769 1076 227 53 <br /> 4 763 1106 227 32 toto <br /> 6 765 1102 227 30 " <br /> PURGE METHOD CENTRIFUGAL PUMP <br /> SAMPLE METHOD. I'STAINLESS STEEL BAILER <br /> D T W AFTER PURGE- D T W AT SAMPLE TIME 1258, <br /> WELL INTEGRITY CAP&SEAL ARE SECURE AMERICAN LOCK IS INSTALLED <br /> WELL LOCATION' SEE SITE MAP <br /> REMARKS POOR TO SLOW RECHARGE <br /> WEATHER. CLEAR WIND NW 10 <br /> QUALITY CONTROL ALL PURGING E UIPMENTAND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITHA STEAMCLE4NER do ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL.STEEL DRUM OR 60 GAL.POLY DRUM <br /> INSTRUMENTATION Y S 13560 FLOWCELL Y S I DISSOLVED OXYGEN MPX'EER <br /> SOLINIST SLOPE METER THERMODINE 580E P ID <br /> KECK INTEUACE METER TURBIDITY ML"TER <br /> i <br />