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SEM FORM 1 <br />SURFACE EMISSIONS MONITORING <br />CALIBRATION AND PERTINENT DATA 'l <br />Date: l��Kc� Site Name: Lfr-1 No(1ot„D <br />Inspectors): i 5 c Instrument: SEH o� <br />WEATHER OBSERVATIONS <br />Wind Speed: -9 MPH Wind Direction: 4�-7 Barometric Pressure: "Hg <br />Air Temperature: °F General Weather Conditions: _ 2 f eez.i <br />CALIBRATION INFORMATION <br />Pre -monitoring Calibrati6n 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 Mess than or equal to 10% of the calibration gas value. <br />Instrument ID: (j3w,5//R/1 Cal Gas Concentration: ppm <br />Triai Zero, Air Reading Cal Gas Readin Cal Gas Conc. — Cal Gas Readin <br />"i <br />2 <br />3 <br />Average Difference: <br />Calibration Precision = Average Difference/Cal Gas Conc.. X 100%° <br />- / SCS X 100% <br />Post -monitoring Calibration Check <br />Zero Air Reading: ppm . Cal Gas Reading: ppm <br />BACKGROUND CONCENTRATION C�{ CKS <br />fast —.( 0 hn'l�/I <br />Upwind Location Description: - �f,596*4Reading: _ppm <br />Downwind Location Description: ,vrtA Reading: _ppm <br />