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LANDFILL GAS MONITORING <br /> GEM 2000 CALIBRATION AND PERTINENT DATA <br /> Dat Site Name: <br /> Technician., KAI cJab No. <br /> WEATHER OBSERVATIONS <br /> Wind Speed: -' MPH Wind Direction- Barometric Pressure.7L�ff7---Hg <br /> Air Temperature: 'F 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. C;�(bk�� <br /> Calibration Gas- %CHO�,� V.0O2 8510 %02D Z> <br /> Time CH4 CO2 02 <br /> Post-monitoring Calibration-Check <br /> Time CH4 CO2 02 <br /> NOTES: <br /> Callbraffon Form GEM <br /> giro®11:54 AM <br />