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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 1998 <br /> SAMPLE LOCATION/MW - 7 DATE: 01/28 -30/1998 <br /> PROJECT NAME CANTEEN CORP ANALYSIS PERFORMED. TPH-G,B T X E,8260 <br /> ADDRESS: 1500 SHAW ROAD SAMPLE TIME: 1120 <br /> CITY STATE. STOCKTON,CALIF SAMPLE CONTAINERS. 4 V O A 's/1 BLANK <br /> SITE CONTACT- NONE/PLANT CLOSED PRESERVATIVES: HCL <br /> CONSULTANT. APPLIED EARTH SCIENCES LAB.ANALYSIS BY: SHERWOOD/WEST <br /> PROJECT MANAGER CONNIE 1 BELL MONUMENT: FLUSH <br /> SAMPLER: DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED: ti, WELL CASING DIA.: 4" / 06528 <br /> SAMPLE MEDIA- GROUNDWATER P.LD.READING/ODOR- 0 PPM NONE <br /> TOP OF CASING ELEVA ON: MSL COLOR. CLEAR <br /> DEPTH TO WATER: (feeL100th's) 52 50 FEET CALC.PURGE VOL.: 17 521152 GAL <br /> DEPTH OF WELL: feet.100th's 7934 FEET TOTAL VOLUME PURGED: 51 GAL <br /> STANDING WATER COLUMN: 2684 FEET DEPTH OF PUMP: 75 FEET <br /> FIELD PARAMETERS <br /> TIME CAsnvc IDRAW PUMPING pH E.C. TEMP. O.R.P. L(ppm) <br /> S <br /> OLVE TURBIDITY <br /> VOLUME DOWN RATE XYGEN COLOR <br /> PER PURGE (DTW) (GPM/LPM) (units) N-MSOS) (Celsus) (Mvolts) (N T U) <br /> 0 N/A 2 GPM 739 378 197 -26 2 CLEAR <br /> 17 807 475 192 -4 13 " <br /> 34 784 507 192 -6 1 1 <br /> 51 779 528 191 1 -9 08 " <br /> 68 <br /> 85 <br /> PURGE METHOD 4"GRUNDFOS SUBMERSIBLE PUMP <br /> SAMPLE METHOD Y STAINLESS STEEL BAILER W/STAINLESS STEEL WIRE LINE <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 53 28' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE AMERICAN LOCK INSTALLED <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS GOOD RECHARGE <br /> WEATHER OVERCAST SKIES WIND NW5 <br /> QUALITY CONTROL ALL PURGING E UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITHA STEAMCLEANER do ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT DO T 1755 GAL STEEL DRUM OR 60 GAL POLY DRUM <br /> INSTRUMENTATION Y S I 3560 FLOWCELL Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 580E P 7D <br />• KECK INTERFACE METER Tl3RBE)TrY METER <br />