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DEL-TECH GEOTECHNICAL SUPPORT SERVICES <br /> MONITORING WELL FIELD LOG 1999 <br /> SAMPLE LOCATION/MW- 2 DATE: 12/22/99 <br /> PROJECT NAME GEORGE'S SERVICE ANALYSIS PERFORMED: SEE CHAIN OF CUSTODY <br /> ADDRESS, 1600 DURHAM FERRY ROAD SAMPLE TIME: 1815 <br /> CITY STATE: TRACY,CA SAMPLE CONTAINERS: 2 VOA'S <br /> SITE CONTACT: GEORGE OR MAE PRESERVATIVES HCI. <br /> CONSULTANT. GEOLOGICAL TECHNICS INC LAB.ANALYSIS BY- BSK LABS <br /> PROJECT MANAGER RAY OR MIKE MONUMENT. FLUSH <br />' SAMPLER: DEL-TECH WELL CASING MATERIAL PVC <br /> SIGNED. WELL CASING DIA : 2" / 01632 <br /> SAMPLE MED GROUNDWATER P.I D.READING/ODOR N/A GAS <br />' TOP OF CASING L TION• MSL COLOR: BLACK TO LIGHT GREY <br /> DEPTH TO WATER- (feet.100th's) 1011 FEET CALC.PURGE VOL. 154 GAL <br /> DEPTH OF WELL, (feet.104th's) 1955 FEET TOTAL VOLUME PURGED: 45 GAL <br />' STANDING WATER COLUMN: 944 FEET DEPTH OF PUMP: N/A SET <br /> FIELD PARAMETERS <br /> N TIME CASING DRAW PUMPING pH E.C. TEMP. O.R.Pr(ppm) <br /> SOLVE TURBIDITY <br /> VOLUME DOWN RATE XYGEN COLOR <br /> PER PURGE (DTW) (GPM/i pM) (units) (U-MBOS) (Calm—) (Mvolts) (N T U) <br />' 0 NIA 5 GPM 711 1197 23 -91 N/A BLACK <br /> 15 " 705 1128 225 -101 DRK GRY <br /> 3 " " 702 1159 228 -104 " " <br />' 45 702 1187 229 -100 LT GRY <br />' PURGE METHOD CENTRIFUGAL PUMP <br /> SAMPLE METHOD 1'STAINLESS STEEL BAILER <br /> D T W AFTER PURGE D T W AT SAMPLE TIME 12 05' <br />' WELL INTEGRITY CAP&SEAL ARE SECURE AMERICAN LOCK IS INSTALLED <br /> WELL,LOCATION SEE SITE MAP <br /> REMARKS STRONG GAS ODOR GAS DROPLETS <br />' WEATHER CLEAR WIND NW10 <br /> QUALITY CONTROL ALL PURGING EQUIPMENT AND SAMPLING EQUIPMENT WAS CLEANED IN THE <br /> FIELI)W=A STEAMCLEANER&ALCONOX SOAP NEW NITRILE GLOVES <br />' CONTAINMENT D O T 1755 GAL STEEL DRUM OR 60 GAL POLYDRUM <br /> INSTRUMENTATION Y S 13560 FLOWCELL Y S I DISSOLVED OXYGEN METER <br />' SOLINIST SLOPE METER T ERMODINE 580B P I D <br /> KECK INTERFACE METER TURHm=METER <br /> 1 <br />