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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> I <br /> MONITORING WELL FIELD LOG 2001 <br />' SAMPLE LOCATION /MW — 7 DATE: 9/7/01 <br />' PRO.TECT NAME GEORGE'S SERVICE ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS- 1600 DURHAM FERRY ROAD SAMPLE TIME 1320 <br /> CITY,STATE- TRACY,CA SAMPLE CONTAINERS 2 V O A'S <br />' SITE CONTACT. GEORGE&MAE PRESERVATIVES HCL <br /> CONSULTANT GEOLOGICAL TECHNICS LAP ANALYSIS BY SHERWOOD LABS <br /> PROJECT MANAGER RAY KABLANOW MONUMENT. FLUSH <br /> SAMPLER f DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED WELL CASING DIA 2" / 0 1632 <br /> SAMPLE MEDIA' GROUNDWATER P LD READING/ODOR- N/A NONE <br /> TOP OF CASING ELEVA ION. MSL COLOR- CLEAR <br /> DEPTH TO WATER feet 100th's 11 I 1 FEET CALC.PURGE VOL 1 73 GAL <br /> DEPTH OF WELL (feet 100th's) 21 70 FEET TOTAL VOLUME PURGED 6 GAL <br /> STANDING WATER COLUMN 1059 FEET DEPTH OF PUMP N/A FEET <br /> FIELD PARAMETERS <br /> TIME CUMULATIVE DRAW PUMPING pHE C TEMP ORP DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br />' PER PURGE (D T W) (GPM/LPM (units) (MSMHOS) (Celsius) (Mvolts) (PPM) (N T U) <br /> 0 N/A 5 GPM 744 1420 267 -5 NIA CLEAR <br /> 2 DRY to 776 1625 31 3 -10 to It <br /> 4 itto766 1624 299 —14 if to <br /> 6 768 1572 299 —15 " <br /> PURGE METHOD HONDA CENTRIFUGAL PUMP <br />' SAMPLE METHOD 1'STAINLESS STEEL BAILER WITH STAINLESS STEEL WIRE LINE <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 15 22' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE SI'T'E MAP <br />' REMARKS POOR RECHARGE <br /> WEATHER CLEAR SKIES WIND NONE <br />' QUALITY CONTROL ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITHA STEAMCLEANER&ALCONOXSOAP NEWNITRILE GLOVES <br /> CONTAINMENT D O T 1755 GAL STEEL DRUM OR 60 GAL POLYDR UM <br /> INSTRUMENTATION Y S I 3560 FLOWCELL Y S I DISSOLVED OXYGEN METER <br /> SOLWIST SLOPE METER THERMODINE 580B P I D <br /> KECK INTERFACE METER TU"IDITY METER <br /> 1 <br />