---
instrument_id: '392'
data_file_original_name: 'EPA2259B_NOx.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'NO_UNCOR_ppb'
    - 'NO2_UNCOR_ppb'
    - 'NOx_UNCOR_ppb'
dataset_id: '2780'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/241'
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 12:18:11'
dataset_updated_at: '2021-08-26 12:18:11'
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
10/8/2016 8:14:00 AM,-99.0000000083819,19.384766,6.681314,26.06608
10/8/2016 8:15:00 AM,-98.0000000051223,19.547526,6.99056,26.538086
10/8/2016 8:29:00 AM,-84.000000001397,16.031901,6.795248,22.827149
10/8/2016 8:30:00 AM,-83.0000000086147,15.966797,6.656901,22.623698
10/8/2016 8:44:00 AM,-69.0000000048894,16.048177,6.860352,22.908529
10/8/2016 8:45:00 AM,-68.0000000016298,16.381836,6.624349,23.006185
10/8/2016 9:14:00 AM,-39.000000001397,16.251627,6.681316,22.932943
10/8/2016 9:15:00 AM,-38.0000000086147,16.438802,6.591797,23.030599
10/8/2016 9:29:00 AM,-24.0000000048894,16.088867,6.510417,22.599284
10/8/2016 9:30:00 AM,-23.0000000016298,16.121419,6.673177,22.794596
10/8/2016 9:44:00 AM,-9.0000000083819,16.186523,6.640625,22.827148
10/8/2016 9:45:00 AM,-8.00000000512227,16.438802,6.323242,22.762044
10/8/2016 10:14:00 AM,20.9999999951106,2.335612,18.522135,20.857747
10/8/2016 10:15:00 AM,21.9999999983702,1.944987,18.595377,20.540364
10/8/2016 10:29:00 AM,35.9999999916181,1.554362,18.823242,20.377604
10/8/2016 10:30:00 AM,36.9999999948777,1.48112,18.766276,20.247396
10/8/2016 10:44:00 AM,50.999999998603,0.805664,19.124349,19.930013
10/8/2016 10:45:00 AM,51.9999999913853,0.895182,19.002279,19.897461
10/8/2016 11:14:00 AM,80.9999999916181,0.626627,18.961589,19.588216
10/8/2016 11:15:00 AM,81.9999999948777,0.927734,18.896485,19.824219
10/8/2016 11:29:00 AM,95.999999998603,0.594075,19.148763,19.742838
10/8/2016 11:30:00 AM,96.9999999913853,0.284831,19.148763,19.433594
10/8/2016 11:44:00 AM,110.999999995111,0.341797,19.401041,19.742838
10/8/2016 11:45:00 AM,111.99999999837,0.236002,19.222006,19.458008
10/8/2016 12:14:00 PM,140.999999998603,0.089518,19.042969,19.132487
10/8/2016 12:15:00 PM,141.999999991385,0.20345,19.197592,19.401042
10/8/2016 12:29:00 PM,155.999999995111,0.244141,19.205729,19.44987
10/8/2016 12:30:00 PM,156.99999999837,0.219726,19.189454,19.40918
10/8/2016 12:44:00 PM,170.999999991618,0.20345,19.12435,19.3278
10/8/2016 12:45:00 PM,171.999999994878,0.244141,18.888346,19.132487
10/8/2016 1:14:00 PM,200.999999995111,0.056966,18.611654,18.66862
10/8/2016 1:15:00 PM,201.99999999837,0.252279,18.766276,19.018555
10/8/2016 1:29:00 PM,215.999999991618,0.260417,18.815104,19.075521
10/8/2016 1:30:00 PM,216.999999994878,0.16276,18.929037,19.091797
10/8/2016 1:44:00 PM,230.999999998603,0.268555,18.95345,19.222005
10/8/2016 1:45:00 PM,231.999999991385,0.227864,18.774415,19.002279
10/8/2016 2:14:00 PM,260.999999991618,0.12207,18.693034,18.815104
10/8/2016 2:15:00 PM,261.999999994878,0.08138,18.741862,18.823242
10/8/2016 2:29:00 PM,275.999999998603,0.20345,18.986003,19.189453
10/8/2016 2:30:00 PM,276.999999991385,0.268555,18.587239,18.855794
10/8/2016 2:44:00 PM,290.999999995111,0.154622,18.798828,18.95345
10/8/2016 2:45:00 PM,291.99999999837,0.16276,18.863933,19.026693
10/8/2016 3:14:00 PM,320.999999998603,0.065104,18.416341,18.481445
10/8/2016 3:15:00 PM,321.999999991385,0.374349,18.603516,18.977865
10/8/2016 3:29:00 PM,335.999999995111,0.195312,18.481446,18.676758
10/8/2016 3:30:00 PM,336.99999999837,0.292969,18.562825,18.855794
10/8/2016 3:44:00 PM,350.999999991618,0,18.562825,18.562825
10/8/2016 3:45:00 PM,351.999999994878,0.260417,18.546549,18.806966
10/8/2016 4:14:00 PM,380.999999995111,0.20345,17.919922,18.123372
10/8/2016 4:15:00 PM,381.99999999837,0.08138,18.188476,18.269856
10/8/2016 4:29:00 PM,395.999999991618,0.032552,18.391927,18.424479
10/8/2016 4:30:00 PM,396.999999994878,-0.179036,18.221028,18.041992
10/8/2016 4:44:00 PM,410.999999998603,0.032552,18.269857,18.302409
10/8/2016 4:45:00 PM,411.999999991385,0.073242,18.196614,18.269856
10/8/2016 5:14:00 PM,440.999999991618,0.195312,17.80599,18.001302
10/8/2016 5:15:00 PM,441.999999994878,0.252279,17.749023,18.001302
10/8/2016 5:29:00 PM,455.999999998603,0.325521,17.838541,18.164062
