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'.' DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br />' MONITORING WELL FIELD LOG 1999 <br />' SAMPLE LOCATION/MW - 4 DATE: 4/28/99 <br />' PROJECT NAME GEORGE'S SERVICE ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS: 1600 DURHAM FERRY ROAD SAMPLETIME- 1312 <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: GROUNDWATER P.LD.READING/ODOR. N/A NONE <br /> TOP OF CASING ELEVATION: MSL COLOR: LT BRN TO CLEAR <br /> DEPTH TO WATER: (feeLlooth's) 1134 FEET CALL.PURGE VOL.: 136 GAL <br /> DEPTH OF WELL: (feetl00th's) 1970 FEET TOTAL VOLUME PURGED: 45 GAL <br /> STANDING WATER COLUMN: 836 FEET DEPTH OF PUMP: N/A FEET <br /> FIELD PARAMETERS <br /> lie TIME cAsiNG DRAW PUMPING pH E.C. TEMP. O.R.P. r(ppm) <br /> SOLVE TURBIDITY <br /> VOLUME DOWN RATE XYGEN COLOR <br /> PER PURGE (D T W) (rFNH Plot) (uWts) NnillHibs) (c,"-) (Mvolts) (N T U) <br /> 0 N/A 5 GPM 732 1053 201 -56 N/A LT BRN <br /> 15 1. 11 747 1053 211 -29 CLEAR <br /> 3 763 1108 217 -69 LT BRN <br /> 45 749 1016 237 -66 - <br /> PURGE METHOD CENTRIFUGAL PUMP <br /> SAMPLE METHOD 1'STAINLESS STEEL BAILER <br /> D T.W AFTER PURGE D T W AT SAMPLE TIME 1259 <br />' WELL INTEGRITY. CAP&SEAL ARE SECURE AMERICAN LOCK IS INSTALLED <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS POOR RECHARGE <br /> iWEATHER CLEAR WIND NW10 <br /> UALITY CONTROL ALL PURGING EQ UIPMENT AND SAMPLING EQ UIPMENT WAS CLEANED RV THE <br /> FIELD WITH A STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 1755 GAL STEEL DRUM OR 60 GAL POLY DRUM <br /> INSTRUMENTATION. Y S I 3560 FLOWC U Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE,MEYFR THERMODINE 580E P I D <br /> KECK INTERFACE METER TURBIDrFY METER <br /> 1 <br />