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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 1999 <br /> SAMPLE LOCATION/MW - 7 DATE: 12/22/99 <br /> PROJECT NAME GEORGE'S SERVICE ANALYSES PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 1600 DURHAM FERRY ROAD SAMPLE TIME. 1420 <br /> CITY STATE: TRACY,CA SAMPLE CONTAINERS: 2 VOA'S <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. k DEL-TECH WELL CASING MATERIAL FVC <br /> SIGNED. Wl WELL CASING DIA. 2" 1 01632 <br /> SAMPLE MEDIA GROUNDWATER P.T.D.READING/ODOR: N/A NONE <br />' TOP OF CASINGE TION: MSL COLOR: CLEAR TO BROWN <br /> DEPTH TO WATER: (feet.100th's) 1075 FEET CALC PURGE VOL.. 178 GAL <br /> DEPTH OF WELL. (feet.100th's) 2170 FEET TOTAL VOLUME PURGED: 6 GAL <br /> STANDING WATER COLUMN: 1095 FEET DEPTH OF PUMP: N/A FEET <br />' FIELD PARAMETERS <br /> TIME CASING DRAW PUMPING pH E.C TEMP. O.R.P DISSOLVEE TURBIDITY <br /> 10 VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (DTW) (GPMIL,PM) (units) (UMMHOS) (Cew—) (Mvolts) (PP14n (N T U) <br />' 0 NIA 5 GPM 733 1114 205 3 NIA CLEAR <br /> 2 738 1163 216 -11 BROWN <br /> 4 743 1182 211 2 <br />' 6 740 1176 214 9 " <br /> ' PURGE METHOD CENTRIFUGAL PUMP <br /> SAMPLE METHOD 1'STAINLESS STEEL BAILER <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 12 25' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE AMERICAN LOCK IS INSTALLED <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS SLOW RECHARGE <br /> ' WEATHER CLEAR WIND NW 10 <br /> QUALITY CONTROL ALL PURGING EQ UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD W1THA SMMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> ' CONTAINMENT DOT 17 55 GAL.STEEL DRUM OR 60 GAL.POLY DRUM <br /> INSTRUMENTATION Y S 1 3560 FLOWCELL Y S L DISSOLVED]OXYGEN METER <br /> SOLINISf SWPE METER 711ERMODINE 580B P ID <br /> KECK INTERFACE hffi-IER TURBIDITY METER <br /> 1 <br />