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SEM FORM, 1 - <br />SURFACE EMISSIONS MONITORING <br />CALIBRATION AND PERTINENT DATA <br />Date: 11 -ice & <br />Inspector(s): 14 rleokl <br />an a*] __ • <br />Site Name: -_—e i 8vi&t ) <br />Instrument:_5 <br />Wind Speed: 4:en MPH Wind Direction: &a Barometric Pressure:Zz.j7"Hg <br />Air Temperature: °F General Weather Conditions: coca � <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 10.0 of the calibration gas value. <br />Instrument ID: 0C,?z itjW Cal Gas Concentration: �prn <br />Trial Zero Air Readin <br />Cal Gas I lCal Gas Conc. — Cal Gas Readin <br />1 <br />2 <br />00 <br />3 <br />Hverage umereme. t3 <br />Calibration Precision = Average Difference/Cal Gas Conc. X 100% <br />0— / Scar X 100% <br />/00 % <br />Post -monitoring Calibration Check <br />Zero Air Reading: pm Cal Gas Reading: S.00- —ppm <br />Upwind Location Description: elf , Reading: ppm <br />Downwind Location Description: NV _ Reading: ppm <br />