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WELL MONITORING DATA SHEET <br /> KR #: 08-12 Site: First Student Bus Facility <br /> Sampler: MJG Date: 5/25/10 <br /> Well I.D.: MW-4 Well Diameter: 2 3 4 6 8 _ <br /> Total Well Depth: 50 Feet Depth to Water: 10.81 Feet <br /> Depth to Free Product: None Thickness of Free Product (feet): None <br /> Referenced to: PVC Grade D.O. Meter(if req'd): <br /> DTW with 80% Recharge [(Height of water Column x 0.20) + DTW]: 39.19 x .20 = 7.85 + 10.81 = 18.65 <br /> Purge Method: Bailer Waterra Sampling Method: Bailer <br /> Disposable Bailer Peristaltic Disposable Bailer <br /> Middleburg Extraction Pump Extraction Port <br /> Electric Submersible Other Other <br /> Well Diameter Multiplier Well Diameter Multiplier <br /> 6.5(Gals)X 3=21 Gallons 1" 0.04 4" 0.65 <br /> 1 Case Volume Specified Volumes Calculated Volume 2 0.16 6" 1.47 <br /> 3' 0.37 Other radius2=0.163 <br /> Time Temp pH Con. Turbidity <br /> (OC) (mS or S) (NTUs) Gals. Removed Observations <br /> 12:30 20.8 7.68 1340 >1000 7 Cloudy,No Odors <br /> 12:45 20.3 7.65 1410 >1000 14 Cloudy,No Odors <br /> 1:00 20.0 7.67 1340 >1000 21 Cloudy,No Odors <br /> Did well dewater Yes No Gallons actually evacuated: <br /> Sampling Date: 5/25/10 Sampling Time: 1:10 Depth to Water: ft. 10.85 <br /> Sample I.D.: MW-4 Laboratory: STI CLS Other <br /> Analyzed for: TPH-g BTEX MTBE THP-d Oxygenates Other: HEM and VOCs <br /> EB I.D. if applicable): <br /> ( ` Time Duplicate I.D.(if applicable): <br /> Analyzed for: TPH-6 BTEX MTBE THP-d Oxygenates Other: <br /> D.O. (if req'd): Pre-purge mg/L Post-purge: 'M/L <br /> O.R.P. (if req'd): Pre-purge mV Post-purge: mV <br />