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e <br /> LANDFILL GAS MONITORING <br /> } GEM 2000 CALIBRATION AND PERTINENT DATA <br /> Date: LZ2j�C)\,o Site Name: <br /> Technician: �414�<.- Job No. C) <br /> WEATHER OBSERVATIONS rr � ll <br /> Wind Speed:S—tOMPH Wind Direction: W Barometric Pressure:2D:,nry—Hg <br /> Air Temperature: _7S_ OF 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.G�A10B'�) <br /> Calibration Gas: %CH45_b�0 %CO2 `z�-Jr 0 %02 C) 0 <br /> Time CH4 CO2 02 <br /> tZ3� 34.'0 <br /> Post-monitoring Calibration Check <br /> Time CH4 CO2 02 <br /> NOTES: <br /> Calibration Form GEM <br /> 3/31/06 11:54 AM <br />