---
instrument_id: '392'
data_file_original_name: 'EPA2279B_NOx.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'NO_UNCOR_ppb'
    - 'NO2_UNCOR_ppb'
    - 'NOx_UNCOR_ppb'
dataset_id: '2920'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/341'
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 13:22:04'
dataset_updated_at: '2021-08-26 13:22:04'
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
11/14/2016 7:29:00 AM,-115.000000008149,17.618815,6.632487,24.251302
11/14/2016 7:30:00 AM,-114.000000004889,17.456054,6.624349,24.080403
11/14/2016 7:44:00 AM,-100.000000001164,17.374674,6.258138,23.632812
11/14/2016 7:45:00 AM,-99.0000000083819,17.724609,5.908203,23.632812
11/14/2016 8:14:00 AM,-70.0000000081491,17.041015,6.567383,23.608398
11/14/2016 8:15:00 AM,-69.0000000048894,17.586263,6.111654,23.697917
11/14/2016 8:29:00 AM,-55.0000000011642,17.163086,6.591797,23.754883
11/14/2016 8:30:00 AM,-54.0000000083819,17.553711,6.347656,23.901367
11/14/2016 8:44:00 AM,-40.0000000046566,17.203776,6.689453,23.893229
11/14/2016 8:45:00 AM,-39.000000001397,17.382812,6.608073,23.990885
11/14/2016 9:14:00 AM,-10.0000000011642,16.927083,6.412761,23.339844
11/14/2016 9:15:00 AM,-9.0000000083819,16.748047,6.681315,23.429362
11/14/2016 9:29:00 AM,4.99999999534339,9.228516,13.028971,22.257487
11/14/2016 9:30:00 AM,5.99999999860302,7.788086,14.363606,22.151692
11/14/2016 9:44:00 AM,19.9999999918509,3.149414,18.302409,21.451823
11/14/2016 9:45:00 AM,20.9999999951106,2.539062,18.701172,21.240234
11/14/2016 10:14:00 AM,49.9999999953434,2.742513,18.782552,21.525065
11/14/2016 10:15:00 AM,50.999999998603,2.652995,18.62793,21.280925
11/14/2016 10:29:00 AM,64.9999999918509,1.814778,19.392904,21.207682
11/14/2016 10:30:00 AM,65.9999999951106,1.749674,19.173178,20.922852
11/14/2016 10:44:00 AM,79.9999999988358,1.847331,18.823242,20.670573
11/14/2016 10:45:00 AM,80.9999999916181,1.277669,19.156901,20.43457
11/14/2016 11:14:00 AM,109.999999991851,0.724284,18.823242,19.547526
11/14/2016 11:15:00 AM,110.999999995111,0.960286,18.872071,19.832357
11/14/2016 11:29:00 AM,124.999999998836,0.935872,19.075521,20.011393
11/14/2016 11:30:00 AM,125.999999991618,0.854492,19.042969,19.897461
11/14/2016 11:44:00 AM,139.999999995343,0.504557,19.181315,19.685872
11/14/2016 11:45:00 AM,140.999999998603,0.12207,19.197591,19.319661
11/14/2016 12:14:00 PM,169.999999998836,0.341797,18.644206,18.986003
11/14/2016 12:15:00 PM,170.999999991618,0.333659,18.725586,19.059245
11/14/2016 12:29:00 PM,184.999999995343,-0.065104,18.782552,18.717448
11/14/2016 12:30:00 PM,185.999999998603,0.341797,18.701172,19.042969
11/14/2016 12:44:00 PM,199.999999991851,0.211589,19.124349,19.335938
11/14/2016 12:45:00 PM,200.999999995111,0.097656,18.823242,18.920898
11/14/2016 1:14:00 PM,229.999999995343,0.374349,18.408203,18.782552
11/14/2016 1:15:00 PM,230.999999998603,0.333659,18.554687,18.888346
11/14/2016 1:29:00 PM,244.999999991851,0.236003,18.798828,19.034831
11/14/2016 1:30:00 PM,245.999999995111,0.065104,18.684896,18.75
11/14/2016 1:44:00 PM,259.999999998836,-0.016276,18.863932,18.847656
11/14/2016 1:45:00 PM,260.999999991618,0.406901,18.66862,19.075521
11/14/2016 2:14:00 PM,289.999999991851,0.333659,18.25358,18.587239
11/14/2016 2:15:00 PM,290.999999995111,0.146484,18.294271,18.440755
11/14/2016 2:29:00 PM,304.999999998836,0.236003,18.448893,18.684896
11/14/2016 2:30:00 PM,305.999999991618,0.130208,18.310547,18.440755
11/14/2016 2:44:00 PM,319.999999995343,0.113932,18.505859,18.619791
11/14/2016 2:45:00 PM,320.999999998603,0.08138,18.505859,18.587239
11/14/2016 3:14:00 PM,349.999999998836,-0.04069,18.334961,18.294271
11/14/2016 3:15:00 PM,350.999999991618,-0.032552,18.522135,18.489583
