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t � � <br /> LANDFILL GAS MONITORING <br /> GEM 2000 CALIBRATION AND PERTINENT DATA <br /> Date: ,s In C) Site Name: <br /> Technician: OUZ;6 CPtt��S Job No. (D <br /> WEATHER OBSERVATIONS <br /> Wind Speed:S_tOMPH Wind Direction: Barometric Pressure::��--fY—Hg <br /> Air Temperature: _7S_ °F General Weather Conditions: <br /> CALIBRATION INFORMATION <br /> 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�A(0 V�"" <br /> Calibration Gas: %CH45D,'�) %CO2 SS•O %02 <br /> Time CH4 CO2 02 <br /> Post-monitoring Calibration Check <br /> Time CH4 CO2 02 <br /> 2� <br /> NOTES: <br /> Calibration Form GEM <br /> 3/31/06 11:54 AM <br />