---
instrument_id: '392'
data_file_original_name: 'EPA2262A_NOx.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'NO_UNCOR_ppb'
    - 'NO2_UNCOR_ppb'
    - 'NOx_UNCOR_ppb'
dataset_id: '2814'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/256'
experiment_set_link: 'https://icarus.ucdavis.edu/chambers/539/experimentSets/189'
chamber_link: 'https://icarus.ucdavis.edu/chambers/539'
dataset_created_at: '2021-08-26 12:21:43'
dataset_updated_at: '2021-08-26 12:21:43'
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
10/11/2016 8:39:00 AM,-148.999999993248,7.73112,3.621419,11.352539
10/11/2016 8:40:00 AM,-148.000000000466,7.340495,3.922526,11.263021
10/11/2016 8:54:00 AM,-133.99999999674,7.527669,3.808594,11.336263
10/11/2016 8:55:00 AM,-132.999999993481,7.584635,3.727214,11.311849
10/11/2016 9:09:00 AM,-119.000000000233,7.600911,3.686524,11.287435
10/11/2016 9:10:00 AM,-117.999999996973,7.788086,3.458659,11.246745
10/11/2016 9:24:00 AM,-103.999999993248,7.877604,3.540039,11.417643
10/11/2016 9:25:00 AM,-103.000000000466,7.869466,3.523763,11.393229
10/11/2016 9:39:00 AM,-88.9999999967404,8.154297,3.588867,11.743164
10/11/2016 9:40:00 AM,-87.9999999934807,8.129883,3.727213,11.857096
10/11/2016 9:54:00 AM,-74.0000000002328,8.097331,3.645833,11.743164
10/11/2016 9:55:00 AM,-72.9999999969732,8.162435,3.670247,11.832682
10/11/2016 10:09:00 AM,-58.9999999932479,8.268229,3.491211,11.75944
10/11/2016 10:10:00 AM,-58.0000000004657,8.064779,3.662109,11.726888
10/11/2016 10:24:00 AM,-43.9999999967404,7.836914,3.653972,11.490886
10/11/2016 10:25:00 AM,-42.9999999934807,7.877604,3.727214,11.604818
10/11/2016 10:39:00 AM,-29.0000000002328,7.462565,3.694662,11.157227
10/11/2016 10:40:00 AM,-27.9999999969732,7.348633,3.694661,11.043294
10/11/2016 10:54:00 AM,-13.9999999932479,7.250977,3.922526,11.173503
10/11/2016 10:55:00 AM,-13.0000000004657,7.332357,3.857422,11.189779
10/11/2016 11:09:00 AM,1.00000000325963,7.275391,3.653971,10.929362
10/11/2016 11:10:00 AM,2.00000000651926,6.803385,4.182943,10.986328
10/11/2016 11:24:00 AM,15.9999999997672,1.017252,7.845052,8.862304
10/11/2016 11:25:00 AM,17.0000000030268,0.935872,7.845052,8.780924
10/11/2016 11:39:00 AM,31.0000000067521,0.659179,7.495118,8.154297
10/11/2016 11:40:00 AM,31.9999999995343,0.423177,7.682292,8.105469
10/11/2016 11:54:00 AM,46.0000000032596,0.439453,7.633464,8.072917
10/11/2016 11:55:00 AM,47.0000000065193,0.528971,7.674154,8.203125
10/11/2016 12:09:00 PM,60.9999999997672,0.24414,6.982422,7.226562
10/11/2016 12:10:00 PM,62.0000000030268,0.472005,7.080078,7.552083
10/11/2016 12:24:00 PM,76.0000000067521,0.236002,7.356772,7.592774
10/11/2016 12:25:00 PM,76.9999999995343,0.390625,7.779948,8.170573
10/11/2016 12:39:00 PM,91.0000000032596,0.097656,7.397461,7.495117
10/11/2016 12:40:00 PM,92.0000000065193,0.179036,7.584636,7.763672
10/11/2016 12:54:00 PM,105.999999999767,0.284831,7.706705,7.991536
10/11/2016 12:55:00 PM,107.000000003027,0.349935,7.722982,8.072917
10/11/2016 1:09:00 PM,121.000000006752,0.179036,6.998698,7.177734
10/11/2016 1:10:00 PM,121.999999999534,0.528971,7.519531,8.048502
10/11/2016 1:24:00 PM,136.00000000326,0.211588,7.503256,7.714844
10/11/2016 1:25:00 PM,137.000000006519,0.219726,7.64974,7.869466
10/11/2016 1:39:00 PM,150.999999999767,0.349935,7.714844,8.064779
10/11/2016 1:40:00 PM,152.000000003027,0.406901,7.958984,8.365885
10/11/2016 1:54:00 PM,166.000000006752,0.260417,7.8125,8.072917
10/11/2016 1:55:00 PM,166.999999999534,0.569661,8.024089,8.59375
10/11/2016 2:09:00 PM,181.00000000326,0.309245,7.210286,7.519531
10/11/2016 2:10:00 PM,182.000000006519,0.138346,7.666016,7.804362
10/11/2016 2:24:00 PM,195.999999999767,0.211588,7.674154,7.885742
10/11/2016 2:25:00 PM,197.000000003027,0.211588,7.853191,8.064779
10/11/2016 2:39:00 PM,211.000000006752,0.04069,7.674154,7.714844
10/11/2016 2:40:00 PM,211.999999999534,0.602213,7.89388,8.496093
10/11/2016 2:54:00 PM,226.00000000326,0.187174,7.73112,7.918294
10/11/2016 2:55:00 PM,227.000000006519,0.260417,7.967122,8.227539
10/11/2016 3:09:00 PM,240.999999999767,0.252279,7.202148,7.454427
10/11/2016 3:10:00 PM,242.000000003027,0.236002,7.519532,7.755534
10/11/2016 3:24:00 PM,256.000000006752,0.341797,7.845052,8.186849
10/11/2016 3:25:00 PM,256.999999999534,0.113932,7.861328,7.97526
10/11/2016 3:39:00 PM,271.00000000326,0.284831,7.779948,8.064779
10/11/2016 3:40:00 PM,272.000000006519,0.349935,7.983398,8.333333
10/11/2016 3:54:00 PM,285.999999999767,-0.024414,7.828776,7.804362
10/11/2016 3:55:00 PM,287.000000003027,0.366211,7.918294,8.284505
10/11/2016 4:09:00 PM,301.000000006752,0.146484,7.177735,7.324219
10/11/2016 4:10:00 PM,301.999999999534,0.520833,7.364909,7.885742
10/11/2016 4:24:00 PM,316.00000000326,0.12207,7.666016,7.788086
10/11/2016 4:25:00 PM,317.000000006519,0.227864,7.804362,8.032226
10/11/2016 4:39:00 PM,330.999999999767,0.244141,7.666015,7.910156
10/11/2016 4:40:00 PM,332.000000003027,0.292969,7.991536,8.284505
10/11/2016 4:54:00 PM,346.000000006752,0.146484,7.828776,7.97526
10/11/2016 4:55:00 PM,346.999999999534,0.341797,8.09733,8.439127
10/11/2016 5:09:00 PM,361.00000000326,0.187174,7.112631,7.299805
10/11/2016 5:10:00 PM,362.000000006519,0.252279,7.552083,7.804362
10/11/2016 5:24:00 PM,375.999999999767,0.219726,7.60905,7.828776
10/11/2016 5:25:00 PM,377.000000003027,0.284831,7.77181,8.056641
10/11/2016 5:39:00 PM,391.000000006752,0.276693,7.771809,8.048502
10/11/2016 5:40:00 PM,391.999999999534,0.244141,8.01595,8.260091
