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s <br /> LANDFILL GAS MONITORING <br /> GEM 2000 CALIBRATION AND PERTINENT DATA <br /> Date: 0'7 Z O 00-55-,0Y <br /> Site Name: <br /> Technician: Job No. <br /> WEATHER OBSERVATIONS <br /> Wind Speed: /-5 MPH Wind Direction: 54e-� Barometric Pressure,�, "}Ig <br /> Air Temperature: Z,73 OF General Weather Conditions: GGA,.,_ <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. 9/g/ <br /> Calibration Gas: %CH4 50,0 %CO2 w %02 <br /> Time CH4 CO2 O2 <br /> Fav 3 _367 <br /> Post-monitoring Calibration Check <br /> F—Tim—e-1 CH4 CO2 O2 <br /> /2.00 <br /> NOTES: <br /> Calibration Form GEM <br /> 3/31/06 11:54 AM <br />