---
instrument_id: '392'
data_file_original_name: 'EPA2003B_NOx.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'NO_UNCOR_ppb'
    - 'NO2_UNCOR_ppb'
    - 'NOx_UNCOR_ppb'
dataset_id: '2966'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/421'
experiment_set_link: 'https://icarus.ucdavis.edu/chambers/539/experimentSets/151'
chamber_link: 'https://icarus.ucdavis.edu/chambers/539'
dataset_created_at: '2021-08-26 15:43:07'
dataset_updated_at: '2021-08-26 15:43:07'
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
11/30/2014 9:29:00 AM,-200.999999995111,-0.504557,0.423177,-0.08138
11/30/2014 9:30:00 AM,-199.999999991851,-0.138346,0.024414,-0.113932
11/30/2014 9:44:00 AM,-185.999999998603,-0.170899,1.000000000001e-06,-0.170898
11/30/2014 9:45:00 AM,-184.999999995343,-0.097656,0.016276,-0.08138
11/30/2014 11:14:00 AM,-95.999999998603,-0.236003,0.073243,-0.16276
11/30/2014 11:15:00 AM,-94.9999999953434,-0.032552,-0.073242,-0.105794
11/30/2014 11:29:00 AM,-80.9999999916181,-0.179037,0.073243,-0.105794
11/30/2014 11:30:00 AM,-79.9999999988358,-0.553385,0.455729,-0.097656
11/30/2014 11:44:00 AM,-65.9999999951106,83.927409,3.14941400000001,87.076823
11/30/2014 11:45:00 AM,-64.9999999918509,70.068359,2.95410200000001,73.022461
11/30/2014 12:14:00 PM,-35.9999999916181,21.500651,1.123047,22.623698
11/30/2014 12:15:00 PM,-34.9999999988358,21.394856,1.090495,22.485351
11/30/2014 12:29:00 PM,-20.9999999951106,21.191406,1.204427,22.395833
11/30/2014 12:30:00 PM,-19.9999999918509,20.792643,1.52181,22.314453
11/30/2014 12:44:00 PM,-5.99999999860302,20.743815,1.619466,22.363281
11/30/2014 12:45:00 PM,-4.99999999534339,20.890299,1.529948,22.420247
11/30/2014 1:14:00 PM,24.0000000048894,0.349935,15.942382,16.292317
11/30/2014 1:15:00 PM,25.0000000081491,0.406901,15.942383,16.349284
11/30/2014 1:29:00 PM,39.000000001397,0.341797,14.84375,15.185547
11/30/2014 1:30:00 PM,40.0000000046566,0.528971,14.949545,15.478516
11/30/2014 1:44:00 PM,54.0000000083819,-0.024414,14.933268,14.908854
11/30/2014 1:45:00 PM,55.0000000011642,0.309245,14.705403,15.014648
11/30/2014 2:14:00 PM,84.000000001397,-0.016276,13.167318,13.151042
11/30/2014 2:15:00 PM,85.0000000046566,0.097656,13.639323,13.736979
11/30/2014 2:29:00 PM,99.0000000083819,0.16276,14.078776,14.241536
11/30/2014 2:30:00 PM,100.000000001164,-0.292969,15.055339,14.76237
11/30/2014 2:44:00 PM,114.000000004889,-0.284831,14.469401,14.18457
11/30/2014 2:45:00 PM,115.000000008149,0.154622,14.84375,14.998372
11/30/2014 3:14:00 PM,144.000000008382,-0.097656,12.874349,12.776693
11/30/2014 3:15:00 PM,145.000000001164,-0.146484,13.500976,13.354492
11/30/2014 3:29:00 PM,159.000000004889,-0.244141,14.265951,14.02181
11/30/2014 3:30:00 PM,160.000000008149,-0.244141,14.672852,14.428711
11/30/2014 3:44:00 PM,174.000000001397,0.073242,14.095052,14.168294
11/30/2014 3:45:00 PM,175.000000004657,0.024414,14.851888,14.876302
11/30/2014 4:14:00 PM,204.000000004889,-0.073242,12.434895,12.361653
11/30/2014 4:15:00 PM,205.000000008149,0.089518,13.151042,13.24056
11/30/2014 4:29:00 PM,219.000000001397,0.073242,13.712565,13.785807
11/30/2014 4:30:00 PM,220.000000004657,0.08138,14.176432,14.257812
11/30/2014 4:44:00 PM,234.000000008382,-0.024414,14.111328,14.086914
11/30/2014 4:45:00 PM,235.000000001164,-0.016276,14.591471,14.575195
11/30/2014 5:14:00 PM,264.000000001397,-0.097656,12.182617,12.084961
11/30/2014 5:15:00 PM,265.000000004657,-0.008138,12.841797,12.833659
11/30/2014 5:29:00 PM,279.000000008382,0.065104,13.151042,13.216146
11/30/2014 5:30:00 PM,280.000000001164,0.195312,13.785808,13.98112
11/30/2014 5:44:00 PM,294.000000004889,-0.04069,13.785807,13.745117
11/30/2014 5:45:00 PM,295.000000008149,0.325521,13.997395,14.322916
11/30/2014 6:14:00 PM,324.000000008382,0,11.507162,11.507162
11/30/2014 6:15:00 PM,325.000000001164,-0.284831,12.646484,12.361653
11/30/2014 6:29:00 PM,339.000000004889,-0.154622,13.118489,12.963867
11/30/2014 6:30:00 PM,340.000000008149,0.146484,13.509115,13.655599
11/30/2014 6:44:00 PM,354.000000001397,-0.04069,13.525391,13.484701
11/30/2014 6:45:00 PM,355.000000004657,-0.170899,14.135743,13.964844
11/30/2014 7:14:00 PM,384.000000004889,-0.008138,11.417643,11.409505
11/30/2014 7:15:00 PM,385.000000008149,0.016276,12.117513,12.133789
11/30/2014 7:29:00 PM,399.000000001397,-0.08138,12.719726,12.638346
11/30/2014 7:30:00 PM,400.000000004657,-0.032552,13.452148,13.419596
11/30/2014 7:44:00 PM,414.000000008382,0,13.126628,13.126628
11/30/2014 7:45:00 PM,415.000000001164,-0.08138,13.916015,13.834635
11/30/2014 8:14:00 PM,444.000000001397,-0.130208,11.05957,10.929362
11/30/2014 8:15:00 PM,445.000000004657,-0.211589,11.694336,11.482747
11/30/2014 8:29:00 PM,459.000000008382,-0.195313,10.408529,10.213216
11/30/2014 8:30:00 PM,460.000000001164,-0.138346,10.864257,10.725911
11/30/2014 8:44:00 PM,474.000000004889,-0.358073,7.73112,7.373047
11/30/2014 8:45:00 PM,475.000000008149,0.105794,7.714844,7.820638
11/30/2014 9:14:00 PM,504.000000008382,-0.073242,2.823893,2.750651
11/30/2014 9:15:00 PM,505.000000001164,-0.520833,3.173827,2.652994
