---
instrument_id: '392'
data_file_original_name: 'EPA2284A_NOx.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'NO_UNCOR_ppb'
    - 'NO2_UNCOR_ppb'
    - 'NOx_UNCOR_ppb'
dataset_id: '2549'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/348'
experiment_set_link: 'https://icarus.ucdavis.edu/chambers/539/experimentSets/188'
chamber_link: 'https://icarus.ucdavis.edu/chambers/539'
dataset_created_at: '2021-08-25 10:17:57'
dataset_updated_at: '2021-08-25 10:17:57'
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
11/22/2016 9:09:00 AM,-275.999999998603,2.205403,-1.293945,0.911458
11/22/2016 9:10:00 AM,-274.999999995343,1.985677,-1.245117,0.74056
11/22/2016 9:24:00 AM,-260.999999991618,2.156575,-1.456706,0.699869
11/22/2016 9:25:00 AM,-259.999999998836,1.774088,-1.171875,0.602213
11/22/2016 9:39:00 AM,-245.999999995111,1.245117,-0.992838,0.252279
11/22/2016 9:40:00 AM,-244.999999991851,1.114909,-0.903321,0.211588
11/22/2016 9:54:00 AM,-230.999999998603,0.585938,-0.162761,0.423177
11/22/2016 9:55:00 AM,-229.999999995343,0.65918,0.00813700000000006,0.667317
11/22/2016 10:09:00 AM,-215.999999991618,0.553385,0.594076,1.147461
11/22/2016 10:10:00 AM,-214.999999998836,0.472005,0.651042,1.123047
11/22/2016 10:24:00 AM,-200.999999995111,0.455729,0.732422,1.188151
11/22/2016 10:25:00 AM,-199.999999991851,0.276693,0.90332,1.180013
11/22/2016 10:39:00 AM,-185.999999998603,0.358073,0.86263,1.220703
11/22/2016 10:40:00 AM,-184.999999995343,0.333659,0.911458,1.245117
11/22/2016 10:54:00 AM,-170.999999991618,0.390625,0.952148,1.342773
11/22/2016 10:55:00 AM,-169.999999998836,0.65918,0.773112,1.432292
11/22/2016 11:09:00 AM,-155.999999995111,0.708008,0.545247,1.253255
11/22/2016 11:10:00 AM,-154.999999991851,0.764974,0.667318,1.432292
11/22/2016 11:24:00 AM,-140.999999998603,0.439453,0.789388,1.228841
11/22/2016 11:25:00 AM,-139.999999995343,0.610352,0.659179,1.269531
11/22/2016 11:39:00 AM,-125.999999991618,0.276693,0.838216,1.114909
11/22/2016 11:40:00 AM,-124.999999998836,0.374349,0.764974,1.139323
11/22/2016 11:54:00 AM,-110.999999995111,0.537109,0.398763,0.935872
11/22/2016 11:55:00 AM,-109.999999991851,0.374349,0.86263,1.236979
11/22/2016 12:09:00 PM,-95.999999998603,0.358073,0.553385,0.911458
11/22/2016 12:10:00 PM,-94.9999999953434,0.211589,0.724283,0.935872
11/22/2016 12:24:00 PM,-80.9999999916181,0.089518,0.805664,0.895182
11/22/2016 12:25:00 PM,-79.9999999988358,0.154622,0.773112,0.927734
11/22/2016 12:39:00 PM,-65.9999999951106,0.317383,0.415039,0.732422
11/22/2016 12:40:00 PM,-64.9999999918509,0.20345,0.65918,0.86263
11/22/2016 12:54:00 PM,-50.999999998603,0.146484,0.569661,0.716145
11/22/2016 12:55:00 PM,-49.9999999953434,-0.008138,0.724283,0.716145
11/22/2016 1:09:00 PM,-35.9999999916181,0.056966,0.594075,0.651041
11/22/2016 1:10:00 PM,-34.9999999988358,0.024414,0.667317,0.691731
11/22/2016 1:24:00 PM,-20.9999999951106,0.195313,0.545247,0.74056
11/22/2016 1:25:00 PM,-19.9999999918509,0.227865,0.480142,0.708007
11/22/2016 1:39:00 PM,-5.99999999860302,0.073242,0.634765,0.708007
11/22/2016 1:40:00 PM,-4.99999999534339,0.349935,0.488281,0.838216
11/22/2016 1:54:00 PM,9.0000000083819,0.195312,0.74056,0.935872
11/22/2016 1:55:00 PM,10.0000000011642,-0.04069,0.675455,0.634765
11/22/2016 2:09:00 PM,24.0000000048894,0.301107,0.642903,0.94401
11/22/2016 2:10:00 PM,25.0000000081491,0.227865,0.602213,0.830078
11/22/2016 2:24:00 PM,39.000000001397,-0.024414,0.78125,0.756836
11/22/2016 2:25:00 PM,40.0000000046566,0.463867,0.626628,1.090495
11/22/2016 2:39:00 PM,54.0000000083819,-0.032552,0.911458,0.878906
11/22/2016 2:40:00 PM,55.0000000011642,0.024414,0.86263,0.887044
11/22/2016 2:54:00 PM,69.0000000048894,0.260417,0.724283,0.9847
11/22/2016 2:55:00 PM,70.0000000081491,0.390625,0.764974,1.155599
11/22/2016 3:09:00 PM,84.000000001397,0.16276,0.642904,0.805664
11/22/2016 3:10:00 PM,85.0000000046566,0.260417,0.585937,0.846354
11/22/2016 3:24:00 PM,99.0000000083819,0.341797,0.659179,1.000976
11/22/2016 3:25:00 PM,100.000000001164,0.138346,0.86263,1.000976
