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SURFACE EMISSIONS MONITORING <br /> CALISRATiION AND PERTINENT DATA <br /> Date Z Site Name 0. 1 1� U <br /> inspector(5) ��� Instrument TV4 2020 <br /> I 0 <br /> WEATHER OBSERVATIONS <br /> Wind Barometric <br /> Wind Speed N1PH Direction Pressure - ( "Hg <br /> Air laA, L General Weather <br /> Temperature 'r Conditions JU 14vl <br /> C.413RATION INFORMATION <br /> Pre-monitoring Calibration Precision Check <br /> Procedure Calibrate the instrument Moke a coral of three measurements by alternobng zero air and the calibration gas Record the readings <br /> and calculate the average algebraic difference benween the instrument reading and the calibroaon gas as o,oercenrage the calibration <br /> precision must be less than or eguel to 105/,of the calibration gas value <br /> Instrument Serial Number a Cal Gas Concentration 500ppm <br /> Trial Zero Air Reading Cal Gas Reading ;Cal Gas Conc -Cal Gas Readingl Respons Time(seconds) <br /> 1 � � <br /> rAverage Difference <br /> norm-=cahbranon d average differ=nce s ;har LO <br /> sion=Average Difference/Cai Gas Conc X 100% <br /> = 100°ro l9 /500 x 100 <br /> Span Sensitivity• <br /> Trial 1: G Trial 3: <br /> Counts Observed for the Span= Counts Observed for the Span= I( —! Z,?3 <br /> Counters Observed for the Zero= Counters Observed for the Zero= � <br /> Trial 2: <br /> Counts Observed for the Span= <br /> Counters Observed for the Zero= <br /> Post Monitoring Calibration Check <br /> Zero Air Cal Gas <br /> Reading —5 z ppm Reading ppm <br /> BACK-GROUND CONCENTRATIONS CHFCKS <br /> Reading Z 3 ppm <br /> Upwind Location Description. ff e- g <br /> Downwind Location Description Reading ppm <br /> Notes: Wind speed averages were observed to remain below the alternative requested 10 miles per hour and no instantaneous speeds <br /> exceeded 20 miles per hour. No rainfall had occurred within the previous 24 hours of the monitoring event Therefore, site <br /> meteorological conditions were within the requested alternatives of the LMR requirements on the above mentioned date <br /> =- <br />