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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2002 <br /> SAMPLE LOCATION /MW— 9S DATE: 9/10/2002 <br /> PROJECT NAME CONNELL MOTORS ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 2211 N WILSON WAY SAMPLE TIME 1710 <br /> CITY,STATE STOCKTON,CA SAMPLE CONTAINERS 5 V O A'S & I LTR <br /> SITE CONTACT NONE PRESERVATIVES HCL <br /> CONSULTANT FOOTHILL ENG LAB ANALYSIS BY. SHERWOOD LABS <br /> PROJECT MANAGER IRV MONUMENT FLUSH <br /> SAMPLER L DEL-TECH WELL CASING MATERIAL : PVC <br /> SIGNED: WELL CASING DIA 2" / 0 1632 <br /> SAMPLE METD)I A GROUNDWATER P I D READING 1 ODOR. NIA NONE <br /> TOP OF CASING ELE ATION MSL COLOR- BROWN <br /> DEPTH TO WATER feet.100th's 58 77 FEET CALC PURGE VOL 021 GAL <br /> DEPTH OF WELL feet 100th's 60 05 FEET TOTAL VOLUME PURGED 15 GAL <br /> STANDING WATER COLUMN 128 FEET DEPTH OF PUMP. NIA FEET <br /> • FIELD PARAMETERS <br /> TIME CUMULATIVE DRAW PUMPING pH E C. TEMP O R.P. 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 NIA 2 GPM 768 1250 225 -157 067 BROWN <br /> 05 11753 1270 222 —164 054 " <br /> 1 ol750 1274 219 —170 050 " <br /> 1 5 744 1282 218 —173 049 " <br /> PURGE METHOD DEDICATED WATERRA PUMP <br /> SAMPLE METHOD DEDICATED WATERRA PUMP <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 59 21' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE LOCK INSTALLED <br /> WELL LOCATION SEE SITE MAP <br /> REMARKS POOR RECHARGE 1 HEAVY SEDIMENT <br /> WEATHER CLEAR SKIES WIND NW5 <br /> QUALITY CONTROL ALL PURGING E UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITHA STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL STEEL DRUM OR 60 GAL POLYDRUM <br /> INSTRUMENTATION Y S 1 556 MUTIPROBE SYSTEM Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 580B P I D <br /> KECK INTERFACE METER TURBIDITY METER <br /> #OF DRUMS ON SIGHT WATER SOIL <br />