---
instrument_id: '392'
data_file_original_name: 'EPA1417A_NOx.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'NO_UNCOR_ppb'
    - 'NO2_UNCOR_ppb'
    - 'NOx_UNCOR_ppb'
dataset_id: '3223'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/507'
experiment_set_link: 'https://icarus.ucdavis.edu/chambers/539/experimentSets/151'
chamber_link: 'https://icarus.ucdavis.edu/chambers/539'
dataset_created_at: '2021-08-26 16:59:02'
dataset_updated_at: '2021-08-26 16:59:02'
instrument_link: 'https://icarus.ucdavis.edu/chambers/539/instruments/392'
instrument:
    id: '392'
    short_name: 'NOx Box'
    full_name: 'Chemiluminescence NO-NO2-NOx Analyzer'
    manufacturer: 'Thermo Environmental'
    model: 'Model 42'
    year: '1989'
    data_recording_software: 'Labview Program'
    data_analysis_software: 'Custom Excel Program'
    raw_data_time_resolution: '1s'
    analysis_data_averaging: '60s'
    detection_limit: '0.1 ppb'
    quantification_limit: ''
    sensitivity_to_temperature: 'N/A'
    sensitivity_to_relative_humidity: 'N/A'
    sampling_method: 'Direct gas sampling'
    sample_preparation_method: 'Filter particle contents before sampling; One of the measuring streams is flowing through catalyst system to convert NOx to NO'
    sample_residence_time_in_seconds: ''
    length_of_tubing_in_cm: ''
    flow_rate: ''
    tubing_material: 'FEP Teflon'
    chemical_identification_method: 'NO concentration is determined by Chemiluminescence method; NOx concentration is determined by the same method from another sample stream which flows through the catalyst box, assuming the catalyst can convert 100% of the NO2 into NO.'
    data_analysis_method: 'The raw signal is logged by the custom Labview program every second and is averaged to 1 min of the time range. Finally the data is pulled out by a custom Excel script.'
    quantification_method: '[NO2] = [NOx] - [NO].'
    calibration_method: 'Standard NO and NOx gas with known concentrations was introduced into the instrument and calibration factor is calculated based on the comparison. THIS IS DONE EVERYTIME BEFORE AN EXPERIMENT.'
    calibration_drift_estimate: 'No estimate'
    calibration_schedule: 'As Needed'
    uncertainty_estimation_method: 'N/A'
    known_interferences: 'N/A'
    link_to_supplemental_information: 'N/A'
    additional_notes: 'N/A'
    organization_id: '547'
    created_at: '2020-02-25T10:01:39.000000Z'
    updated_at: '2020-03-27T09:37:55.000000Z'
    column_descriptors: '(b) Experimental_Time = relative time, t=0 is defined as the start of the reaction (dark) or light given time (BL/Arc).'
    sampling_protocol: 'Online'
    skip_headers: '1'
    tubing_inner_diameter: '1/4'''' OD; 0.152'''' ID'
    what_is_measured: 'NOx Concentrations'
    measurement_uncertainty: '(a) Local_Time (N/A); (b) Experimental_Time (N/A); (c)NO_Concentration (+/- ?%); (d) NO2_Concentration (+/- ?%); (e) NOx_Concentration (+/- ?%)'
    measurement_units: '(a) Local_Time (N/A); (b) Experimental_Time (N/A); (c)NO_Concentration (ppb); (d) NO2_Concentration (ppb); (e) NOx_Concentration (ppb)'

---
Local_Time_PST,Experimental_Time_min,NO_UNCOR_ppb,NO2_UNCOR_ppb,NOx_UNCOR_ppb
4/21/2011 6:39:00 AM,-194.000000003725,-0.0693754778413978,-0.0192920878453725,-0.0909370850091101
4/21/2011 6:40:00 AM,-193.000000000466,-0.0826863222691587,-0.00754660257077137,-0.09250244416227
4/21/2011 6:54:00 AM,-179.000000007218,-0.0482349513064363,-0.0177267286922125,-0.0682311993209887
4/21/2011 6:55:00 AM,-178.000000003958,-0.0474517906729562,-0.121861115872459,-0.171582425867755
4/21/2011 7:09:00 AM,-164.000000000233,-0.0169162228776343,-0.0803641855498165,-0.0995499277497907
4/21/2011 7:10:00 AM,-163.000000007451,-0.0114360226708742,-0.0795800628025361,-0.0932856047957501
4/21/2011 7:24:00 AM,-149.000000003725,-0.0380567494125958,-0.0537424966942945,-0.0940687654292302
4/21/2011 7:25:00 AM,-148.000000000466,-0.028660746038435,-0.0380831324798935,-0.0690133978406685
4/21/2011 8:24:00 AM,-89.0000000072177,-0.0834685207888385,0.0300345245844705,-0.0557035155267079
4/21/2011 8:25:00 AM,-88.0000000039581,-0.057630954680597,-0.0177257665784122,-0.0776262405813491
4/21/2011 8:39:00 AM,-74.0000000002328,0.00187482175688681,-0.0756661838627361,-0.0760608814281892
4/21/2011 8:40:00 AM,-73.0000000074506,-0.0341419083589955,-0.0380831324798935,-0.074494560161229
4/21/2011 8:54:00 AM,-59.0000000037253,-0.0153508637244744,-0.0639206985881351,-0.0815410816349494
4/21/2011 8:55:00 AM,-58.0000000004657,-0.0184825441445946,-0.1359541588199,-0.156706222286834
4/21/2011 9:09:00 AM,-44.0000000072177,-0.0247459049848348,0.0535245330198724,0.0265091087126977
4/21/2011 9:10:00 AM,-43.0000000039581,-0.0145677030909943,-0.0286871291057329,-0.045524351519067
4/21/2011 9:24:00 AM,-29.0000000002328,-0.00282317993019356,-0.123426475025619,-0.128519174278152
4/21/2011 9:25:00 AM,-28.0000000074506,-0.0239627443513547,-0.0286880912195332,-0.0549203548932278
4/21/2011 9:39:00 AM,-14.0000000037253,-0.00360634056367368,-0.0553078558474544,-0.061183715733468
4/21/2011 9:40:00 AM,-13.0000000004657,-0.00673802098379379,-0.0560910164809346,-0.0650985567870683
4/21/2011 9:54:00 AM,0.99999999278225,-0.0458864315197963,0.362797938368092,0.314641987525956
4/21/2011 9:55:00 AM,1.99999999604188,-0.0122182211905539,0.249266585699885,0.234778845186991
4/21/2011 10:09:00 AM,15.9999999997672,0.00344114302384705,0.674419863502952,0.675591487204459
4/21/2011 10:10:00 AM,16.9999999925494,0.0472875552469299,0.576547875049146,0.621565910973736
4/21/2011 10:24:00 AM,30.9999999962747,-0.0325755870920353,0.661109019075191,0.626263912660816
4/21/2011 10:25:00 AM,31.9999999995343,-0.0349250689924757,0.613348727912309,0.576154139597493
4/21/2011 10:39:00 AM,45.9999999927823,-0.00360634056367368,0.607084404958268,0.601208545072254
4/21/2011 10:40:00 AM,46.9999999960419,0.0566825965072903,0.554625149994504,0.609038227179455
4/21/2011 10:54:00 AM,60.9999999997672,0.0433727141933296,0.560888510834745,0.601991705705734
4/21/2011 10:55:00 AM,61.9999999925494,0.0848696445159721,0.625875449592789,0.708475574786421
4/21/2011 11:09:00 AM,75.9999999962747,0.132630897792655,0.722964277413115,0.853325655883431
4/21/2011 11:10:00 AM,76.9999999995343,-0.0991278850032395,0.742537520567316,0.641140116241737
4/21/2011 11:24:00 AM,90.9999999927823,0.143592260319976,0.688513868564193,0.829836609561829
4/21/2011 11:25:00 AM,91.9999999960419,-0.0521497923600365,0.754282043728117,0.699862732045741
4/21/2011 11:39:00 AM,105.999999999767,-0.0615457957341973,0.698692070458034,0.634876755401497
4/21/2011 11:40:00 AM,106.999999992549,-0.00360634056367368,0.712786075519275,0.706910215633261
4/21/2011 11:54:00 AM,120.999999996275,0.0104876644975674,0.708087111718394,0.716305256893622
4/21/2011 11:55:00 AM,121.999999999534,0.0645122786144908,0.756631525628557,0.818874284920708
4/21/2011 12:09:00 PM,135.999999992782,0.0629469194613309,0.845889709227883,0.906567109366874
4/21/2011 12:10:00 PM,136.999999996042,0.0825211247293321,0.833362025433602,0.913613630840594
4/21/2011 12:24:00 PM,150.999999999767,-0.0114360226708742,0.785601734270719,0.771896192277505
4/21/2011 12:25:00 PM,151.999999992549,0.117754694211734,0.753499845208437,0.868985020097832
4/21/2011 12:39:00 PM,165.999999996275,-0.0552814727801567,0.755848364995077,0.698297372892581
4/21/2011 12:40:00 PM,166.999999999534,0.0159678647043276,0.859201515769444,0.872899861151432
4/21/2011 12:54:00 PM,180.999999992782,0.0104876644975674,0.80047793785164,0.808696083026868
4/21/2011 12:55:00 PM,181.999999996042,-0.0748556780481579,0.874859917870045,0.797734720499547
4/21/2011 1:09:00 PM,195.999999999767,0.0880013249360923,0.862333196189565,0.948065001803317
4/21/2011 1:10:00 PM,196.999999992549,0.0856528051494522,0.818485821852681,0.901869107679793
4/21/2011 1:24:00 PM,210.999999996275,0.034759871452649,0.895217283771526,0.927707635901835
4/21/2011 1:25:00 PM,211.999999999534,0.00578966281048706,0.907744967565807,0.911265111053954
4/21/2011 1:39:00 PM,225.999999992782,-0.0411884298327159,0.877991598290165,0.834533649135109
4/21/2011 1:40:00 PM,226.999999996042,0.0488529144000898,0.880341080190605,0.926924475268355
4/21/2011 1:54:00 PM,240.999999999767,0.0261470287119684,0.871728237449925,0.895605746839553
4/21/2011 1:55:00 PM,241.999999992549,-0.00204001929671343,0.914008328406047,0.909698789786994
4/21/2011 2:09:00 PM,255.999999996275,0.05041923566705,0.939063695994609,0.987213412339319
4/21/2011 2:10:00 PM,256.999999999534,0.0613805981943706,0.939846856628089,0.99895793550012
4/21/2011 2:24:00 PM,270.999999992782,-0.00204001929671343,0.906179608412647,0.901870069793594
4/21/2011 2:25:00 PM,271.999999996042,-0.0364904281456355,0.944543896201369,0.905783948733394
4/21/2011 2:39:00 PM,285.999999999767,0.0707766015685314,0.848239191128323,0.916746273374515
4/21/2011 2:40:00 PM,286.999999992549,0.0159688268181279,0.914008328406047,0.927707635901835
4/21/2011 2:54:00 PM,300.999999996275,-0.0223973851981948,0.994654631378493,0.969987726857958
4/21/2011 2:55:00 PM,301.999999999534,0.099745848096893,0.872511398083405,0.969987726857958
4/21/2011 3:09:00 PM,315.999999992782,0.0519845948202099,0.975863586743972,1.02557866224184
4/21/2011 3:10:00 PM,316.999999996042,0.034759871452649,0.963335902949691,0.99582625508
4/21/2011 3:24:00 PM,330.999999999767,0.0167510253378077,0.993089272225333,1.0075707782408
4/21/2011 3:25:00 PM,331.999999992549,-0.00360634056367368,0.984476429484652,0.978600569598638
4/21/2011 3:39:00 PM,345.999999996275,0.0880013249360923,0.925753813680649,1.0114856192944
4/21/2011 3:40:00 PM,346.999999999534,-0.0130013818240341,1.04006640275474,1.02479550160836
4/21/2011 3:54:00 PM,360.999999992782,0.0668617605149311,1.04319808317486,1.10779032436745
4/21/2011 3:55:00 PM,361.999999996042,0.111490371257694,0.95080821915541,1.06002907109076
4/21/2011 4:09:00 PM,375.999999999767,0.0386747125062493,1.0964404987721,1.13284569195601
4/21/2011 4:10:00 PM,376.999999992549,0.081737964095852,1.02205851875369,1.10152696352721
