---
instrument_id: '392'
data_file_original_name: 'EPA2287B_NOx.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'NO_UNCOR_ppb'
    - 'NO2_UNCOR_ppb'
    - 'NOx_UNCOR_ppb'
dataset_id: '2573'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/354'
experiment_set_link: 'https://icarus.ucdavis.edu/chambers/539/experimentSets/188'
chamber_link: 'https://icarus.ucdavis.edu/chambers/539'
dataset_created_at: '2021-08-25 10:24:16'
dataset_updated_at: '2021-08-25 10:24:16'
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
12/10/2016 12:14:00 PM,-345.999999996275,0.667318,0.179036,0.846354
12/10/2016 12:15:00 PM,-345.000000003492,0.504557,0.431315,0.935872
12/10/2016 12:29:00 PM,-330.999999999767,0.683594,0.170898,0.854492
12/10/2016 12:30:00 PM,-329.999999996508,0.480143,0.439453,0.919596
12/10/2016 12:44:00 PM,-316.00000000326,0.358073,0.317382,0.675455
12/10/2016 12:45:00 PM,-315,0.349935,0.349934,0.699869
12/10/2016 1:14:00 PM,-285.999999999767,0.276693,0.374348,0.651041
12/10/2016 1:15:00 PM,-284.999999996508,0.325521,0.317382,0.642903
12/10/2016 1:29:00 PM,-271.00000000326,0.065104,0.227865,0.292969
12/10/2016 1:30:00 PM,-270,0.341797,0.138346,0.480143
12/10/2016 1:44:00 PM,-255.999999996275,0.447591,-0.00813800000000003,0.439453
12/10/2016 1:45:00 PM,-255.000000003492,0.130208,0.276693,0.406901
12/10/2016 2:14:00 PM,-226.00000000326,0.138346,0.187175,0.325521
12/10/2016 2:15:00 PM,-225,0.08138,0.236003,0.317383
12/10/2016 2:29:00 PM,-210.999999996275,0.154622,0.130209,0.284831
12/10/2016 2:30:00 PM,-210.000000003492,0.065104,0.187175,0.252279
12/10/2016 2:44:00 PM,-195.999999999767,0.179036,0.122071,0.301107
12/10/2016 2:45:00 PM,-194.999999996508,0.04069,0.187174,0.227864
12/10/2016 3:14:00 PM,-165.999999996275,-0.211589,0.349935,0.138346
12/10/2016 3:15:00 PM,-165.000000003492,0.146484,0.073242,0.219726
12/10/2016 3:29:00 PM,-150.999999999767,0.08138,0.236003,0.317383
12/10/2016 3:30:00 PM,-149.999999996508,0.252279,-0.040691,0.211588
12/10/2016 3:44:00 PM,-136.00000000326,0.073242,0.203451,0.276693
12/10/2016 3:45:00 PM,-135,0.138346,0.065104,0.20345
12/10/2016 4:14:00 PM,-105.999999999767,0.097656,0.162761,0.260417
12/10/2016 4:15:00 PM,-104.999999996508,0.301107,0.08138,0.382487
12/10/2016 4:29:00 PM,-91.0000000032596,0.423177,-0.08138,0.341797
12/10/2016 4:30:00 PM,-90,0.089518,0.179037,0.268555
12/10/2016 4:44:00 PM,-75.9999999962747,0.260417,0.065104,0.325521
12/10/2016 4:45:00 PM,-75.0000000034925,0.048828,0.236003,0.284831
12/10/2016 5:14:00 PM,-46.0000000032596,-0.008138,0.260417,0.252279
12/10/2016 5:15:00 PM,-45,0.292969,-0.00813799999999998,0.284831
12/10/2016 5:29:00 PM,-30.9999999962747,0.219727,0.146484,0.366211
12/10/2016 5:30:00 PM,-30.0000000034925,0.008138,0.187174,0.195312
12/10/2016 5:44:00 PM,-15.9999999997672,-0.032552,0.284831,0.252279
12/10/2016 5:45:00 PM,-14.9999999965075,-0.073242,0.382487,0.309245
12/10/2016 6:14:00 PM,14.0000000037253,-0.113932,0.236002,0.12207
12/10/2016 6:15:00 PM,14.9999999965075,-0.016276,0.195312,0.179036
12/10/2016 6:29:00 PM,29.0000000002328,0.349935,0.130208,0.480143
12/10/2016 6:30:00 PM,30.0000000034925,0.61849,0.195312,0.813802
12/10/2016 6:44:00 PM,43.9999999967404,-0.073242,0.333659,0.260417
12/10/2016 6:45:00 PM,45,0.203451,0.179036,0.382487
12/10/2016 7:14:00 PM,74.0000000002328,0.748698,-0.056967,0.691731
12/10/2016 7:15:00 PM,75.0000000034925,0.358073,0.341796,0.699869
12/10/2016 7:29:00 PM,88.9999999967404,0.301107,0.187174,0.488281
12/10/2016 7:30:00 PM,90,0.341797,0.097656,0.439453
12/10/2016 7:44:00 PM,104.000000003725,0.292969,0.154622,0.447591
12/10/2016 7:45:00 PM,104.999999996508,0.333659,0.138346,0.472005
12/10/2016 8:14:00 PM,133.99999999674,0.187174,0.105795,0.292969
12/10/2016 8:15:00 PM,135,0.276693,0.130208,0.406901
12/10/2016 8:29:00 PM,149.000000003725,-0.073242,0.292968,0.219726
12/10/2016 8:30:00 PM,149.999999996508,0.154622,0.113933,0.268555
12/10/2016 8:44:00 PM,164.000000000233,0.146484,0.162761,0.309245
12/10/2016 8:45:00 PM,165.000000003492,0.244141,0.065104,0.309245
12/10/2016 9:14:00 PM,194.000000003725,0.016276,0.398763,0.415039
12/10/2016 9:15:00 PM,194.999999996508,0.065104,0.301107,0.366211
12/10/2016 9:29:00 PM,209.000000000233,0.333659,0.056966,0.390625
12/10/2016 9:30:00 PM,210.000000003492,0.179037,0.211588,0.390625
