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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 2004 <br /> jFiiiiT6;E!T'l0N/MW— 107 DATE: 4!2912004 <br /> PROJECT NAME: MORITAS BROS ANALYSIS PERFORMED SEE CHAIN OF CUSTODY <br /> ADDRESS 814 E CHARTER WAY SAMPLE TIME. 1100 <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 JOE ANGULO MONUMENT FLUSH <br /> SAMPLER DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED WELL CASING DIA • 2" / 01632 <br /> SAMPLE MEDIAM GROUNDWATER P I D READING I ODOR NIA MUSTY <br /> TOP OF CASING ELEVATION MSL COLOR GREY TO CLEAR <br /> DEPTH TO WATER feet 100th's _3639 FEET CALC PURGE VOL 390 GAL <br /> DEPTH OF WELL feet 100th's 60 30 FEET TOTAL VOLUME PURGED 1171 GAL <br />' STANDING WATER COLUMN- 2391 FEET DEPTH OF PUMP 58 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) (GPMfLPM) (units) (Umhos) (Celsius) (Mvolts) (PPM) (N T U) <br /> 0 NIA 5 GPM 775 1132 217 -170 052 GREY <br /> 3 9 it " 740 1172 216 -144 047 it <br /> 78 It <br /> 743 1107 213 -146 099 CLEAR <br /> 117 745 1106 212 -147 099 " <br />' PURGE METHOD DEDICATED WATERRA PUMP&TUBING <br /> SAMPLE METHOD DEDICATED WATERRA PUMP&TUBING <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 39 30' <br /> WELL INTEGRITY CAP&SEAL ARE SECURE <br /> WELL LOCATION SEE SITE MAP <br />' REMARKS GOOD RECHARGE <br /> WEATHER CLEAR SKIES WIND <br />' QUALITY CONTROL ALL PURGING EQ UIPMENT AND SAMPLING EQUIPMENT W,4S CLEANED IN THE <br /> FIELD WITHA STEAMCLEANER&ALCONOX SOAP NEWNITRILE GLOVES <br /> CONTAINMENT D O T 1755 GAL STEEL DRUMOR 60 GAL POLYDRUM <br />' INSTRUMENTATION YSI 556 MULTIPROBE SYSTEM YSI DISSOLVED OXYGEN METER <br /> SOLINIST SLOPE METER THERMODINE 580E P I D <br /> KECK INTERFACE METER TURBIDITY METER <br />