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CALIBRATION AND PERTINENT T DATA <br /> Date ��— Site Name 04 A,.# <br /> inspector(s) instrument TVA 2020 <br /> WEATHER OBSERVATIONS <br /> wind Barometnc <br /> Wind Speed y MPH Direction 4MCPressure 3U�� rig <br /> Air General weaihe, <br /> Temperature Conditions gvnyt <br /> CALIBRATION iNF•ORMATION <br /> Pre-monitoring Calibration Precisson Check <br /> .`procedure Colrb ate the rnstr urnent Moke a Co Cal of Three meosutem2n,s by olie.•goting Zero ari and the colrbraUan gasRecord to readings <br /> and coiculate the average algebraic difference ber,veen the,nstrum2nC--eodiog and the colrbrorion gas as o perc2ncoge i;".e calrbranan <br /> precision muse be less than or equal to LOT;of the cu-libraoon gas value <br /> nstrurnent Serial Number Cal Gas Concentra:ion 5u0ppm <br /> Trial Zero Air Reading Cal Gas Reading Cal Gas Conc -Cal Gas Reading; Response Time(seconds) <br /> 1 O If <br /> 2 yV <br /> age;,,-ere S- <br /> • _rior ,calibr3,;ian,F 3v_r3ge d, _r sgre,ze,.nar• _., <br /> Ca:ibrauon Precision=Average Difference/Ca Gas Conc X 100 o <br /> i00% •�p /500 x 100 0 <br /> 0101. <br /> Span Sei-sitivicy <br /> Trial 1. IT,ial 3: <br /> Counts Observed Far the Span= /f Counts Observed For the Span= <br /> Counters Observed for the Zero= Counters Observed for the Zero= 4 7'? <br /> Tr€al Z: <br /> Counts Observed for the S,oan= 0 <br /> Counters Observed For the Zero= Lj Z f <br /> Post Monitoring Calibration Check <br /> Zero Air Cal Gas <br /> Reading �'6. opm Reading ppm <br /> BACKGROUND CONCENTRATIONS CHECKS <br /> lUpwind Location Description � � k Reading �. ppm <br /> Down,Nind Location Description �) ✓ti Reading 4?•L ppm <br /> Nctt-5- 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 />