---
instrument_id: '392'
data_file_original_name: 'EPA2277B_NOx.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'NO_UNCOR_ppb'
    - 'NO2_UNCOR_ppb'
    - 'NOx_UNCOR_ppb'
dataset_id: '2896'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/337'
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 13:19:46'
dataset_updated_at: '2021-08-26 13:19:46'
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
11/11/2016 7:44:00 AM,-80.9999999916181,1.407877,-0.935872,0.472005
11/11/2016 7:45:00 AM,-79.9999999988358,1.627604,-1.212565,0.415039
11/11/2016 8:14:00 AM,-50.999999998603,18.09082,7.145183,25.236003
11/11/2016 8:15:00 AM,-49.9999999953434,17.325846,6.90918,24.235026
11/11/2016 8:29:00 AM,-35.9999999916181,16.48763,6.306966,22.794596
11/11/2016 8:30:00 AM,-34.9999999988358,16.48763,6.355795,22.843425
11/11/2016 8:44:00 AM,-20.9999999951106,16.170247,6.486003,22.65625
11/11/2016 8:45:00 AM,-19.9999999918509,16.105143,6.762696,22.867839
11/11/2016 9:14:00 AM,9.0000000083819,4.584878,17.255363,21.840241
11/11/2016 9:15:00 AM,10.0000000011642,3.94763,17.636056,21.583686
11/11/2016 9:29:00 AM,24.0000000048894,1.969401,18.91276,20.882161
11/11/2016 9:30:00 AM,25.0000000081491,2.034505,18.920899,20.955404
11/11/2016 9:44:00 AM,39.000000001397,1.64388,18.937175,20.581055
11/11/2016 9:45:00 AM,40.0000000046566,1.733398,18.969727,20.703125
11/11/2016 10:14:00 AM,69.0000000048894,1.359049,18.725586,20.084635
11/11/2016 10:15:00 AM,70.0000000081491,1.334635,19.010417,20.345052
11/11/2016 10:29:00 AM,84.000000001397,0.797526,19.750976,20.548502
11/11/2016 10:30:00 AM,85.0000000046566,0.561524,19.824218,20.385742
11/11/2016 10:44:00 AM,99.0000000083819,0.86263,19.588216,20.450846
11/11/2016 10:45:00 AM,100.000000001164,0.846354,19.832357,20.678711
11/11/2016 11:14:00 AM,129.000000001397,0.322762,19.721597,20.044359
11/11/2016 11:15:00 AM,130.000000004657,0.297934,20.027807,20.325741
11/11/2016 11:29:00 AM,144.000000008382,0.463453,19.9616,20.425053
11/11/2016 11:30:00 AM,145.000000001164,0.124139,20.176774,20.300913
11/11/2016 11:44:00 AM,159.000000004889,0.579317,19.738148,20.317465
11/11/2016 11:45:00 AM,160.000000008149,0.157243,19.895392,20.052635
11/11/2016 12:14:00 PM,189.000000008382,0.04069,19.645182,19.685872
11/11/2016 12:15:00 PM,190.000000001164,0.203451,19.57194,19.775391
11/11/2016 12:29:00 PM,204.000000004889,0.463867,19.661458,20.125325
11/11/2016 12:30:00 PM,205.000000008149,0.154622,19.913737,20.068359
11/11/2016 12:44:00 PM,219.000000001397,0.089518,20.027669,20.117187
11/11/2016 12:45:00 PM,220.000000004657,0.358073,19.864909,20.222982
11/11/2016 1:14:00 PM,249.000000004889,0.520833,19.335938,19.856771
11/11/2016 1:15:00 PM,250.000000008149,0.211589,19.523111,19.7347
11/11/2016 1:29:00 PM,264.000000001397,0.065104,19.539388,19.604492
11/11/2016 1:30:00 PM,265.000000004657,0.12207,19.555664,19.677734
11/11/2016 1:44:00 PM,279.000000008382,0.032552,19.498698,19.53125
11/11/2016 1:45:00 PM,280.000000001164,0.056966,19.547526,19.604492
11/11/2016 2:14:00 PM,309.000000001397,0.268555,19.042968,19.311523
11/11/2016 2:15:00 PM,310.000000004657,0.146484,19.042969,19.189453
11/11/2016 2:29:00 PM,324.000000008382,0.309245,19.319661,19.628906
11/11/2016 2:30:00 PM,325.000000001164,0.268555,19.368489,19.637044
11/11/2016 2:44:00 PM,339.000000004889,0.276693,19.124349,19.401042
11/11/2016 2:45:00 PM,340.000000008149,0.227865,19.425455,19.65332
11/11/2016 3:14:00 PM,369.000000008382,0.333659,18.904622,19.238281
11/11/2016 3:15:00 PM,370.000000001164,0.488281,18.937175,19.425456
11/11/2016 3:29:00 PM,384.000000004889,0.252279,19.083659,19.335938
11/11/2016 3:30:00 PM,385.000000008149,0.113932,19.173177,19.287109
