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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> ' MONITORING WELL FIELD LOG 2002 <br /> ' SAMPLE LOCATION /MW- 7 DATE: 12/20/2002 <br /> ' PROJECT NAME JM EQUIPMENT ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 1245 WEST CHARTER WAY SAMPLE TIME 1035 <br /> CITY,STATE STOCKTON,CA SAMPLE CONTAINERS 2 V O A'S <br /> ' SITE CONTACT PRESERVATIVES HCL <br /> CONSULTANT GEOLOGICAL TECHNICS LAB ANALYSIS BY SHERWOOD LABS <br /> PROJECT MANAGER RAY I MIKE MONUMENT FLUSH <br /> SAMPLER DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED WELL CASING DIA 2" / 0 1632 <br /> SAMPLE MEDIA GROUNDWATER P I D READING I ODOR N/A NONE <br /> ' TOP OF CASING ELEVATION MSL COLOR LIGHT BROWN <br /> DEPTH TO WATER feet 100th's 15 01 FEET CALC PURGE VOL 233 GAL <br /> DEPTH OF WELL feet 100th's 3023 FEET TOTAL VOLUME PURGED 7 5 GAL <br /> STANDING WATER COLUMN. 15 22 FEET DEPTH OF PUMP NlA FEET <br /> FIELD PARAMETERS <br /> TIME CUMULATIVE DRAW PUMPING pH E C TEMP ORP DISSOLVED TURBIDITY <br /> CASING VOLUME DOWN RATE OXYGEN COLOR <br /> ' PER PURGE (D T W) (GPMILPM) (units) (MSMHOS) (Celsius) (M—Its) (PPM) <br /> 0 N/A 5 GPM 756 1277 205 -1093 N/A LT BRN <br /> 25 741 1341 211 -98 <br /> ' 5 „ 738 1366 214 -946 <br /> 75 " 735 1379 214 -906 " <br /> PURGE METHOD DEDICATED WATERRA PUMP&TUBING <br /> SAMPLE METHOD DEDICATED WATERRA PUMP&TUBING <br /> ' D T W AFTER PURGE D T W Al SAMPLE rIME 21 10' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE SITE MAP <br /> ' REMARKS GOOD RECHARGE <br /> WEATHER OVERCAST SKIES WIND <br /> ' QUALITY CONTROL ALL PURGING E UIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELD WITH A STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br /> CONTAINMENT D O T 17 55 GAL STEEL DRUM OR 60 GAL POLYDRUM <br /> ' INSTRUMENTATION Y S I 556 MULTIPROBE SYSTEM Y S I DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THF-RMODINE 580B P I D <br /> KECK INTERFACE METER TURBIDITY MEI Eft <br />