---
instrument_id: '392'
data_file_original_name: 'EPA2276B_NOx.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'NO_UNCOR_ppb'
    - 'NO2_UNCOR_ppb'
    - 'NOx_UNCOR_ppb'
dataset_id: '2884'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/335'
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 13:18:37'
dataset_updated_at: '2021-08-26 13:18:37'
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
11/10/2016 7:44:00 AM,-47.9999999993015,11.385091,3.483073,14.868164
11/10/2016 7:45:00 AM,-47.0000000065193,11.499023,3.401693,14.900716
11/10/2016 8:14:00 AM,-18.0000000062864,11.482747,3.841146,15.323893
11/10/2016 8:15:00 AM,-17.0000000030268,11.596679,3.74349,15.340169
11/10/2016 8:29:00 AM,-2.99999999930151,11.726888,3.491211,15.218099
11/10/2016 8:30:00 AM,-2.00000000651926,11.726888,3.694662,15.42155
11/10/2016 8:44:00 AM,11.999999997206,4.557292,10.050455,14.607747
11/10/2016 8:45:00 AM,13.0000000004657,4.760742,9.741211,14.501953
11/10/2016 9:14:00 AM,42.0000000006985,3.792318,9.798177,13.590495
11/10/2016 9:15:00 AM,42.9999999934807,3.86556,9.635416,13.500976
11/10/2016 9:29:00 AM,56.999999997206,2.482096,9.969076,12.451172
11/10/2016 9:30:00 AM,58.0000000004657,2.555338,9.895834,12.451172
11/10/2016 9:44:00 AM,71.9999999937136,2.490234,9.806315,12.296549
11/10/2016 9:45:00 AM,72.9999999969732,2.433268,9.684245,12.117513
11/10/2016 10:14:00 AM,101.999999997206,1.64388,9.659831,11.303711
11/10/2016 10:15:00 AM,103.000000000466,1.399739,9.960938,11.360677
11/10/2016 10:29:00 AM,116.999999993714,1.180013,9.806315,10.986328
11/10/2016 10:30:00 AM,117.999999996973,1.074219,9.798177,10.872396
11/10/2016 10:44:00 AM,132.000000000698,0.488281,9.99349,10.481771
11/10/2016 10:45:00 AM,132.999999993481,0.675456,9.749348,10.424804
11/10/2016 11:14:00 AM,161.999999993714,0.268555,9.602864,9.871419
11/10/2016 11:15:00 AM,162.999999996973,0.203451,9.749348,9.952799
11/10/2016 11:29:00 AM,177.000000000698,0.431315,9.814453,10.245768
11/10/2016 11:30:00 AM,177.999999993481,0.113932,9.9528,10.066732
11/10/2016 11:44:00 AM,191.999999997206,-0.016276,9.871419,9.855143
11/10/2016 11:45:00 AM,193.000000000466,0.089518,9.676107,9.765625
11/10/2016 12:14:00 PM,222.000000000698,0.211589,9.423828,9.635417
11/10/2016 12:15:00 PM,222.999999993481,0.089518,9.651693,9.741211
11/10/2016 12:29:00 PM,236.999999997206,0.146484,9.847005,9.993489
11/10/2016 12:30:00 PM,238.000000000466,0.406901,9.619141,10.026042
11/10/2016 12:44:00 PM,251.999999993714,0.211589,9.570312,9.781901
11/10/2016 12:45:00 PM,252.999999996973,0.366211,9.708659,10.07487
11/10/2016 1:14:00 PM,281.999999997206,0.08138,9.33431,9.41569
11/10/2016 1:15:00 PM,283.000000000466,-0.008138,9.375,9.366862
11/10/2016 1:29:00 PM,296.999999993714,-0.065104,9.749349,9.684245
11/10/2016 1:30:00 PM,297.999999996973,0.032552,9.611003,9.643555
11/10/2016 1:44:00 PM,312.000000000698,0.292969,9.562174,9.855143
11/10/2016 1:45:00 PM,312.999999993481,-0.195312,9.863281,9.667969
11/10/2016 2:14:00 PM,341.999999993714,0.187174,9.366862,9.554036
11/10/2016 2:15:00 PM,342.999999996973,0.236003,9.480794,9.716797
11/10/2016 2:29:00 PM,357.000000000698,-0.008138,9.643555,9.635417
11/10/2016 2:30:00 PM,357.999999993481,0.08138,9.448242,9.529622
11/10/2016 2:44:00 PM,371.999999997206,0.130208,9.375,9.505208
11/10/2016 2:45:00 PM,373.000000000466,-0.008138,9.521484,9.513346
11/10/2016 3:14:00 PM,402.000000000698,0.065104,9.472656,9.53776
11/10/2016 3:15:00 PM,402.999999993481,0.073242,9.440104,9.513346
11/10/2016 3:29:00 PM,416.999999997206,0.130208,9.383138,9.513346
11/10/2016 3:30:00 PM,418.000000000466,0.138346,9.497071,9.635417
