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LANDFILL GAS MONITORING <br /> GEM 2000 CALIBRATION AND PERTINENT DATA <br /> Date: 317.346 Site Name: C�c�ar <br /> Technician: tel, Job No. <br /> WEATHER OBSERVATIONS <br /> Wind Speed: ]?—';--MPH Wind Direction: Barometric Pressure�0.0?_"Hg <br /> Air Temperature: 66 °F General Weather Conditions: <br /> CALIBRATION INFORMATION <br /> Pre-monitoring Cafibration 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 callbration <br /> precision must be less than or equal to 2%of the calibration gas value. <br /> Instrument Serial No, ';-P70 <br /> Calibration Gas: %CH4�V %CO2 --X— %02.� <br /> Time CH4 CO2 02 <br /> most-monitorin Calibration Check <br /> Time CH4 CO2 1 02 <br /> NOTES: <br /> Gafibration Form GEM <br /> 3/311061 l,54 AM <br />