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SCS • Services — Secure Environmental Data , <br /> Corrol Hollow,1162 ' <br /> LANDFILL GAS MONITORING <br /> GEM CALIBRATION AND PERTINENT DATA <br /> DATE: 10/16/2013 TECHNICIAN: T.Wright <br /> TEMPERATURE: 76 BAR.PRESSURE: 29.64 <br /> WEATHER: Clear WIND DIRECTION: East SPEED: 8 <br /> SITE ID: 1,162 <br /> CALIBRATION INFORMATION ' <br /> Pre-monitoring Calibration Precision Check ' <br /> Procedure: Calibrate the instrument. Make a total of three measurements by alternating zero air and the <br /> calibration gas. Record the readings and calculate the average algebraic difference between the instrument ' <br /> reading and the calibration gas as a percentage. The calibration precision must be less than or equal to 2%of <br /> the calibration gas value. <br /> Instrument Type: GEM 5000 Instrument Serial No. 500526 ' <br /> Calibration Gas: <br /> CH4% CO2 % 02 % CO ppm H2S ppm <br /> 50.0 35.0 0.0 1,000.0 200.0 <br /> Pre-monitoring Calibration Check ' <br /> Time CH4 % CO2 % 02 % CO ppm H2S ppm , <br /> 07:30:00 AM 50.0 35.0 0.0 1,000.0 200.0 <br /> Post-monitoring Calibration Check <br /> Time CH4 % CO2 % 02 % CO ppm H2S ppm <br /> 01:45:00 PM 50.0 35.0 0.0 1,000.0 200.0 ' <br /> COMMENT 1: ' <br /> COMMENT 2: <br /> REVIEWED BY: Art Jones DATE: 10/25/2013 ' <br />