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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> ' MONITORING WELL FIELD LOG 2004 <br /> SAMPLE LOCATION/MW- 8 DATE: 2/12/2004 <br /> PROJECT NAME VALLEY WHOLESALE DRUG ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ' ADDRESS FREMONT STREET SAMPLE TIME 9 10 <br /> CITY,STATE- STOCKTON,CA SAMPLE CONTAINERS 4 V 0 A'S <br /> SITE CONTACT PAUL SOUVA PRESERVATIVES HCL <br /> iCONSULTANT GEOLOGICAL TECHNICS LAB ANALYSIS BY SHERWOOD LABS <br /> PROJECT MANAGER ERIC PRICE MONUMENT FLUSH <br /> SAMPLER k DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED WELL CASING DIA 211 / 01632 <br /> SAMPLE MEDIA GROUNDWATER P I A READING I ODOR NIA NONE <br /> i TOP OF CASING ELEVA ON MSL COLOR LIGHT GREY <br /> DEPTH TO WATER feet 100th's 881 FEET CALC PURGE VOL 2 09 GAL <br /> DEPTH OF WELL feet 100th's 2162 FEET TOTAL VOLUME PURGED 6 27 GAL <br /> iSTANDING WATER COLUMN 1211 FEET DEPTH OF PUMP 20 FEET <br /> FIELD PARAMETERS <br /> TIME CUMULATIVE DRAW PUMPING pH E CTEMP ORP DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> ' PER PURGE (D T W) (GPM/LPM) (units) (UMHOS) (Celsius) (Mvolts) (PPM) (N T U) <br /> 0 N/A 5 GPM 718 1047 178 78 1 67 LT GREY <br /> 209 759 1346 223 563 059 " <br /> 418 774 1413 223 466 0 68 " <br /> 627 tl780 1452 223 415 1 09 " <br /> ' PURGE METHOD CENTRIFUGAL PUMP <br /> SAMPLE METHOD DEDICATED TUBING <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 9 20' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE LOCK INSTALLED <br /> WELL LOCATION <br /> ' REMARKS <br /> WEATHER OVERCAST/RAINY WIND NWS <br /> QUALITY CONTROL ALL PURGING EQUIPMENTAND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> iFIELD WITHA STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 1755 GAL.STEEL DRUMOR 60 GAL POLYDRUM <br /> INSTRUMENTATION, Y S I 3560 FLOWCELL Y S I DISSOLVED OXYGEN METER <br /> SOLIIIIST SLOPE METER THERMODINE 580B P 1 D <br /> KECK INTERFACE METER TURBIDITY METER <br /> #OF DRUMS ON SIGHT WATER SOIL <br /> I <br /> i <br />