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LANDFILL GAS MONITORING <br /> GEM 2000 CALIBRATION AND PERTINENT DATA <br /> Date: Il' 4rI06 Site Name: / aCw�-_C( <br /> Technician: Job No. <br /> WEATHER OBSERVATIONS <br /> Wind Speed: /-( MPH Wind Direction: 57,2-_ Barometric Pressure: ---D,/O"Hg <br /> Air Temperature: 63 OF General Weather Conditions: <br /> CALIBRATION INFORMATION <br /> Pre-monitoring Calibration Precision Check <br /> Procedure: Calibrate the instrument. Make a total of three measurements by alternating zero air <br /> and the calibration gas. Record the readings and calculate the average algebraic difference <br /> between the instrument reading and the calibration gas as a percentage. The calibration <br /> precision must be less than or equal to 2%of the calibration gas value. <br /> Instrument Serial No. G_/i/ <br /> Calibration Gas: %CH4 %CO2 ,�%02 <br /> Time CH4 CO2 02 <br /> 2 r5' /L <br /> Post-monitoring Calibration Check <br /> Time CH4 CO2 02 <br /> I Svc <br /> NOTES: <br /> Calibration Form GEM <br /> 3/31/06 11:54 AM <br />