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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br />' MONITORING WELL FIELD LOG 1998 <br />' SAMPLE LOCATION/MW - 7 DATE: 3/12198 <br />' PROJECT NAME: CUTTER LUMBER ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS: 3430 S ELDORADO SAMPLE TIME: 1250 <br /> CITY STATE. STOCKTON,CALIF SAMPLE CONTAINERS: 2 VOA'S, 1 LITRE, 1 B B <br />' SITE CONTACT: PRESERVATIVES. HCL <br /> CONSULTANT: GEO-PHASE ENVIRONMENTAL LAB.ANALYSIS BY: SHERWOOD/WEST <br />' PROJECT MANAGER STEVE LANKFORD MONUMENT: FLUSH <br /> SAMPLER: DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED. WELL CASING DIA.: 211 / 01632 <br /> SAMPLE ME GROUNDWATER P.I.D.READING/ODOR. 726 PPM STRNG GAS <br />' TOP OF CASING EL ATION: MSL COLOR: GREY <br /> DEPTH TO WATER (feeL100th's 2400 FEET CALC.PURGE VOL.: 34272 GAL <br /> DEPTH OF WELL: feeL]100th's) 4500 FEET TOTAL VOLUME PURGED: 105 GAL <br /> STANDING WATER COLUMN: 2100 FEET DEPTH OF PUMP: 45 FEET <br /> FIELD PARAMETERS <br /> TIME CASING DRAW PUMPING pH I E.C. I TEMP. O.R.P. DISSOLVE TURBIDITY <br /> VOLUME DOWN RATE OXYGEN COLOR <br /> PER PURGE (D T W) (GpwLPh) (units) (UsMHOS) (Celsius) (Mvolts) (PPM) (N T U) <br /> 0 N/A 5 GPM 700 1313 195 -24 N/A GREY <br /> 35 748 1386 197 -47 " <br />' 7 „ 744 1410 198 -52 <br /> 105 740 1415 20 -49 " <br /> PURGE METHOD. PURGER PUMP <br /> SAMPLE METHOD I'STAINLESS STEEL BAILER W/STAINLESS STEEL WIRE LINE <br />' D T W AFTER PURGE D.T W.AT SA I%E TIME 26 44' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE AMERICAN LOCK INSTALLED <br /> WELL LOCATION SFE SITE MAP <br />' REMARKS GOOD RECHARGE <br /> VERY FINE SILTY SEDIM[E TTATION <br /> WEATHER OVERCAST SKIES WIND NW5 <br /> QUALITY CONTROL ALL PURGING EQ UIPMENT AND SAMPLING EQ UIPMENT WAS CLEANED IN THE <br />' FIELD WITHA STEAMCLFAMER do ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 1755 GAL STEEL DRUM OR 60 GAL POLY DR UM <br /> INSTRUMENTATION Y S 13560 FLOW(EI-L Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER TfiERMODINE 58013 P I D <br /> . KECK INTERFACE METER TURBIDITY METER <br /> i <br /> I <br />