---
instrument_id: '392'
data_file_original_name: 'EPA2264B_NOx.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'NO_UNCOR_ppb'
    - 'NO2_UNCOR_ppb'
    - 'NOx_UNCOR_ppb'
dataset_id: '2369'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/272'
experiment_set_link: 'https://icarus.ucdavis.edu/chambers/539/experimentSets/190'
chamber_link: 'https://icarus.ucdavis.edu/chambers/539'
dataset_created_at: '2021-08-24 15:06:58'
dataset_updated_at: '2021-08-24 15:06:58'
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
10/13/2016 10:29:00 AM,-63.9999999990687,0.520833,-0.065104,0.455729
10/13/2016 10:30:00 AM,-62.999999995809,0.317383,0.219726,0.537109
10/13/2016 10:44:00 AM,-48.9999999920838,0.594075,-0.292968,0.301107
10/13/2016 10:45:00 AM,-47.9999999993015,0.325521,0.024414,0.349935
10/13/2016 11:14:00 AM,-18.9999999990687,11.857096,7.747396,19.604492
10/13/2016 11:15:00 AM,-17.999999995809,11.246745,5.102539,16.349284
10/13/2016 11:29:00 AM,-3.99999999208376,16.097005,7.495117,23.592122
10/13/2016 11:30:00 AM,-2.99999999930151,16.015625,6.99056,23.006185
10/13/2016 11:44:00 AM,11.0000000044238,11.010742,11.63737,22.648112
10/13/2016 11:45:00 AM,12.0000000076834,10.595703,12.198893,22.794596
10/13/2016 12:14:00 PM,41.0000000079162,1.017252,20.483399,21.500651
10/13/2016 12:15:00 PM,42.0000000006985,1.066081,20.613606,21.679687
10/13/2016 12:29:00 PM,56.0000000044238,0.520833,20.914714,21.435547
10/13/2016 12:30:00 PM,57.0000000076834,0.431315,20.882162,21.313477
10/13/2016 12:44:00 PM,71.0000000009313,0.496419,20.662435,21.158854
10/13/2016 12:45:00 PM,72.000000004191,0.268555,20.849609,21.118164
10/13/2016 1:14:00 PM,101.000000004424,0.309245,20.613607,20.922852
10/13/2016 1:15:00 PM,102.000000007683,0.268555,20.458984,20.727539
10/13/2016 1:29:00 PM,116.000000000931,0.366211,20.564779,20.93099
10/13/2016 1:30:00 PM,117.000000004191,0.390625,20.646159,21.036784
10/13/2016 1:44:00 PM,131.000000007916,0.260417,20.922851,21.183268
10/13/2016 1:45:00 PM,132.000000000698,0.227865,20.971679,21.199544
10/13/2016 2:14:00 PM,161.000000000931,0.219726,20.418295,20.638021
10/13/2016 2:15:00 PM,162.000000004191,0.382487,20.743815,21.126302
10/13/2016 2:29:00 PM,176.000000007916,0.211588,20.817058,21.028646
10/13/2016 2:30:00 PM,177.000000000698,0.138346,20.833334,20.97168
10/13/2016 2:44:00 PM,191.000000004424,0.284831,20.760091,21.044922
10/13/2016 2:45:00 PM,192.000000007683,0.325521,20.743815,21.069336
10/13/2016 3:14:00 PM,221.000000007916,0.08138,20.646159,20.727539
10/13/2016 3:15:00 PM,222.000000000698,0.423177,20.605469,21.028646
10/13/2016 3:29:00 PM,236.000000004424,0.268555,20.874023,21.142578
10/13/2016 3:30:00 PM,237.000000007683,0.244141,20.719401,20.963542
10/13/2016 3:44:00 PM,251.000000000931,0.260417,20.629882,20.890299
10/13/2016 3:45:00 PM,252.000000004191,0.154622,20.865886,21.020508
10/13/2016 4:14:00 PM,281.000000004424,0.341797,20.499674,20.841471
10/13/2016 4:15:00 PM,282.000000007683,0.211588,20.792644,21.004232
10/13/2016 4:29:00 PM,296.000000000931,0.349935,20.719401,21.069336
10/13/2016 4:30:00 PM,297.000000004191,0.366211,20.646159,21.01237
10/13/2016 4:44:00 PM,311.000000007916,0.431315,20.678711,21.110026
10/13/2016 4:45:00 PM,312.000000000698,0.333659,20.792643,21.126302
10/13/2016 5:14:00 PM,341.000000000931,0.219726,20.711264,20.93099
10/13/2016 5:15:00 PM,342.000000004191,0.292969,20.849609,21.142578
10/13/2016 5:29:00 PM,356.000000007916,0.244141,20.947265,21.191406
10/13/2016 5:30:00 PM,357.000000000698,0.252279,20.703125,20.955404
10/13/2016 5:44:00 PM,371.000000004424,0.20345,20.947266,21.150716
10/13/2016 5:45:00 PM,372.000000007683,0.24414,20.987956,21.232096
