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LANDFILL GAS MONITORING <br /> L /GEM 2000 CALIBRATION AND PERTINENT DATA <br /> Date: 31�3J�� Site Name: <br /> Technician: �'! __ Job No. <br /> WEATHER OBSERVATIONS <br /> Wind Speed: �?— MPH V4iind Direction: Barometric Pressured,'0?—"Fig <br /> Air Temperature: 66 °F General Weather Conditions: CW,-4?eA t <br /> CALIBRATION INFORMATION <br /> Pre-monitoring Calibration Precision Check <br /> Procedure: Calibrate the instrument. Make a total of three measurements by altemating 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 moist be less than or equal to 2%of the calibration gas value. <br /> Instrument Serial No, <br /> Calibration : %CH4 %C0 _%02 <br /> Time CH4 CO2 02 <br /> Post-monitoring Calibration Check <br /> Time I CH4 CO2 I 02 <br /> NOTES: <br /> Cafbration Form GEM <br /> 3131/06 11,54 AIS <br />