---
instrument_id: '392'
data_file_original_name: 'EPA1420A_NOx.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'NO_UNCOR_ppb'
    - 'NO2_UNCOR_ppb'
    - 'NOx_UNCOR_ppb'
dataset_id: '3252'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/513'
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 17:03:24'
dataset_updated_at: '2021-08-26 17:03:24'
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
4/24/2011 9:09:00 AM,-171.000000002095,-0.15659364214401,0.390701906840345,0.234108264696335
4/24/2011 9:10:00 AM,-169.999999998836,-0.106483869080687,0.382089064099664,0.275605195018978
4/24/2011 9:24:00 AM,-155.999999995111,-0.122926393928568,0.367212860518744,0.244286466590176
4/24/2011 9:25:00 AM,-155.000000002328,-0.125274913715208,0.413407792528466,0.288132878813258
4/24/2011 9:39:00 AM,-140.999999998603,-0.0947393459198861,0.370344540938864,0.275605195018978
4/24/2011 9:40:00 AM,-139.999999995343,-0.00548116232056048,0.267776475025577,0.262295312705017
4/24/2011 11:24:00 AM,-36.0000000020955,-0.15111344193725,0.46430168833907,0.31318824640182
4/24/2011 11:25:00 AM,-34.9999999988358,-0.105700708447207,0.425935476322747,0.320234767875541
4/24/2011 11:39:00 AM,-20.9999999951106,-0.127624395615648,0.437680961597348,0.3100565659817
4/24/2011 11:40:00 AM,-20.0000000023283,-0.134670917089369,0.438463160117028,0.303792243027659
4/24/2011 11:54:00 AM,-5.99999999860302,-0.125274913715208,0.772790970940009,0.647516057224801
4/24/2011 11:55:00 AM,-4.99999999534339,-0.138585758142969,0.707804994295765,0.569219236152796
4/24/2011 12:09:00 PM,8.99999999790452,-0.15502828299085,0.559824194892436,0.404795911901586
4/24/2011 12:10:00 PM,10.0000000011642,-0.182432170366052,0.569219236152796,0.386787065786745
4/24/2011 12:24:00 PM,24.0000000048894,-0.0900413442328057,0.585660798886877,0.495619454654072
4/24/2011 12:25:00 PM,24.9999999976717,-0.142500599196569,0.633423014277361,0.490922415080791
4/24/2011 12:39:00 PM,39.000000001397,-0.202006375634053,0.598972605428439,0.396966229794386
4/24/2011 12:40:00 PM,40.0000000046566,-0.15659364214401,0.608367646688799,0.451774004544789
4/24/2011 12:54:00 PM,53.9999999979045,-0.16442332425121,0.685098146493844,0.520674822242633
4/24/2011 12:55:00 PM,55.0000000011642,-0.126058074348688,0.6279418519568,0.501883777608112
4/24/2011 1:09:00 PM,69.0000000048894,-0.0743819800184047,0.494054095500912,0.419672115482507
4/24/2011 1:10:00 PM,69.9999999976717,-0.175385648892331,0.657695221232442,0.482309572340111
4/24/2011 1:24:00 PM,84.000000001397,-0.0422800909561226,0.478394731286511,0.436114640330388
4/24/2011 1:25:00 PM,85.0000000046566,-0.0234890463216015,0.521457982876113,0.497968936554512
4/24/2011 1:39:00 PM,98.9999999979045,-0.0673354585446843,0.581746919947077,0.514411461402393
4/24/2011 1:40:00 PM,100.000000001164,-0.126841234982168,0.536334186457034,0.409492951474866
4/24/2011 1:54:00 PM,114.000000004889,-0.0861265031792054,0.515193659922073,0.429067156742867
4/24/2011 1:55:00 PM,114.999999997672,-0.15267880109041,0.558256911511675,0.405578110421266
4/24/2011 2:09:00 PM,129.000000001397,-0.0595057764374838,0.47291356896595,0.413407792528466
4/24/2011 2:10:00 PM,130.000000004657,-0.137019436876009,0.63733689321716,0.500317456341152
4/24/2011 2:24:00 PM,143.999999997905,-0.0704671389648045,0.580963759313597,0.510496620348793
4/24/2011 2:25:00 PM,145.000000001164,-0.175385648892331,0.61463196964284,0.439246320750508
4/24/2011 2:39:00 PM,159.000000004889,-0.0634206174910841,0.46743336875919,0.404012751268106
4/24/2011 2:40:00 PM,159.999999997672,-0.0516760943302833,0.435331479696908,0.383655385366625
4/24/2011 2:54:00 PM,174.000000001397,-0.0798631423389652,0.613065648375879,0.533202506036914
4/24/2011 2:55:00 PM,175.000000004657,-0.145632279616689,0.62089533048308,0.47526305086639
4/24/2011 3:09:00 PM,188.999999997905,-0.0375820892690422,0.650647737644921,0.613065648375879
4/24/2011 3:10:00 PM,190.000000001164,0.031318728428802,0.567653876999636,0.598972605428438
4/24/2011 3:24:00 PM,204.000000004889,-0.0367998907493625,0.632639853643881,0.595839962894518
4/24/2011 3:25:00 PM,204.999999997672,-0.0618542962241238,0.659260580385602,0.597406284161478
4/24/2011 3:39:00 PM,219.000000001397,-0.00782968210720049,0.661610062286042,0.653780380178842
4/24/2011 3:40:00 PM,220.000000004657,-0.0508929336968032,0.634988373430521,0.584095439733717
4/24/2011 3:54:00 PM,233.999999997905,-0.0477612532766831,0.735992042304447,0.688230789027764
4/24/2011 3:55:00 PM,235.000000001164,-0.00469800168708037,0.694495111981805,0.689797110294724
4/24/2011 4:09:00 PM,249.000000004889,0.0587226158040037,0.61541513027632,0.674137746080323
4/24/2011 4:10:00 PM,249.999999997672,0.0234890463216015,0.669439744393243,0.692928790714844
4/24/2011 4:24:00 PM,264.000000001397,-0.0140930429474408,0.750868245885368,0.736775202937927
4/24/2011 4:25:00 PM,265.000000004657,-0.0501097730633231,0.696060471134964,0.645950698071641
4/24/2011 4:39:00 PM,278.999999997905,0.0696839783313243,0.744604885045128,0.814288863376452
4/24/2011 4:40:00 PM,280.000000001164,0.0767314619188451,0.752433605038528,0.829165066957373
4/24/2011 4:54:00 PM,294.000000004889,0.0837779833925654,0.808024540422412,0.891802523814977
4/24/2011 4:55:00 PM,294.999999997672,0.0360167301158823,0.826816547170733,0.862833277286615
4/24/2011 5:09:00 PM,309.000000001397,0.0689017798116446,0.818985902949732,0.887887682761377
4/24/2011 5:10:00 PM,310.000000004657,0.0438464122230828,0.78531865473429,0.829165066957373
4/24/2011 5:24:00 PM,323.999999997905,0.131539236669249,0.728162360197247,0.859701596866495
4/24/2011 5:25:00 PM,325.000000001164,0.0266207267417216,0.875360961080896,0.901981687822618
4/24/2011 5:39:00 PM,339.000000004889,0.00782968210720049,0.891803485928777,0.899633168035978
4/24/2011 5:40:00 PM,339.999999997672,-0.0140930429474408,0.905113368242738,0.891020325295297
4/24/2011 5:54:00 PM,354.000000001397,0.0172256854813612,0.898066846769018,0.915292532250379
4/24/2011 5:55:00 PM,355.000000004657,0.0696839783313243,0.901981687822618,0.971665666153942
4/24/2011 6:09:00 PM,368.999999997905,0.0211405265349615,0.985759671215183,1.00690019775014
4/24/2011 6:10:00 PM,370.000000001164,0.0712502995982846,0.926253894777699,0.997504194375984
4/24/2011 6:24:00 PM,384.000000004889,0.0571572566508438,0.952874621519421,1.01003187817026
4/24/2011 6:25:00 PM,384.999999997672,0.0563740960173637,0.93643209667154,0.992806192688904
4/24/2011 6:39:00 PM,399.000000001397,0.064985976644244,0.92547169625802,0.990457672902264
4/24/2011 6:40:00 PM,400.000000004657,0.0540246141169233,1.03978524744591,1.09380986156283
4/24/2011 6:54:00 PM,413.999999997905,0.0125276837942809,1.04761396743931,1.06014165123359
4/24/2011 6:55:00 PM,415.000000001164,-0.0681186191781644,1.06170797250055,0.993589353322384
4/24/2011 7:09:00 PM,429.000000004889,-0.00313168042012013,1.05935849060011,1.05622681017999
4/24/2011 7:10:00 PM,429.999999997672,0.102569028027087,1.08754553860879,1.19011456663588
4/24/2011 7:24:00 PM,444.000000001397,0.0383652499025224,1.14470279525963,1.18306804516216
4/24/2011 7:25:00 PM,445.000000004657,0.0508929336968032,1.13060879019839,1.1815017238952
4/24/2011 7:39:00 PM,458.999999997905,0.0563740960173637,1.12826027041175,1.18463436642912
4/24/2011 7:40:00 PM,460.000000001164,0.0532424155972436,1.25431738264664,1.30755979824388
4/24/2011 7:54:00 PM,474.000000004889,0.062637456857604,1.2284807786522,1.2911182355098
4/24/2011 7:55:00 PM,474.999999997672,0.0367998907493625,1.14313647399267,1.17993636474204
4/24/2011 8:09:00 PM,489.000000001397,0.0508929336968032,1.22926297717188,1.28015591086868
4/24/2011 8:10:00 PM,490.000000004657,-0.0148762035809209,1.37411209615509,1.35923589257417
4/24/2011 8:24:00 PM,503.999999997905,0.0508929336968032,1.32870032477885,1.37959325847565
4/24/2011 8:25:00 PM,505.000000001164,-0.018007884001041,1.4876434488233,1.46963556482225
4/24/2011 8:39:00 PM,519.000000004889,0.0618542962241238,1.41404462943837,1.47589892566249
4/24/2011 8:40:00 PM,519.999999997672,0.0822116621256052,1.44301387596673,1.52522553809234
4/24/2011 8:54:00 PM,534.000000001397,0.0250553675885617,1.63953908928022,1.66459445686879
4/24/2011 8:55:00 PM,535.000000004657,-0.0782968210720049,1.76638032426239,1.68808350319039
