---
instrument_id: '392'
data_file_original_name: 'EPA2271A_NOx.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'NO_UNCOR_ppb'
    - 'NO2_UNCOR_ppb'
    - 'NOx_UNCOR_ppb'
dataset_id: '2449'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/324'
experiment_set_link: 'https://icarus.ucdavis.edu/chambers/539/experimentSets/190'
chamber_link: 'https://icarus.ucdavis.edu/chambers/539'
dataset_created_at: '2021-08-24 16:08:37'
dataset_updated_at: '2021-08-24 16:08:37'
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
11/3/2016 11:24:00 AM,-50.999999998603,14.599609,5.900065,20.499674
11/3/2016 11:25:00 AM,-49.9999999953434,14.672851,6.217449,20.8903
11/3/2016 11:39:00 AM,-35.9999999916181,14.656575,6.388347,21.044922
11/3/2016 11:40:00 AM,-34.9999999988358,14.469401,6.453451,20.922852
11/3/2016 11:54:00 AM,-20.9999999951106,14.469401,6.469727,20.939128
11/3/2016 11:55:00 AM,-19.9999999918509,14.355469,6.518554,20.874023
11/3/2016 12:09:00 PM,-5.99999999860302,14.400295,6.531762,20.932057
11/3/2016 12:10:00 PM,-4.99999999534339,14.518229,6.437175,20.955404
11/3/2016 12:24:00 PM,9.0000000083819,13.051178,7.125596,20.176774
11/3/2016 12:25:00 PM,10.0000000011642,13.266353,7.448358,20.714711
11/3/2016 12:39:00 PM,24.0000000048894,6.648763,13.44401,20.092773
11/3/2016 12:40:00 PM,25.0000000081491,6.306966,13.753255,20.060221
11/3/2016 12:54:00 PM,39.000000001397,2.026367,17.285157,19.311524
11/3/2016 12:55:00 PM,40.0000000046566,2.124023,17.423503,19.547526
11/3/2016 1:09:00 PM,54.0000000083819,0.792456,17.762231,18.554687
11/3/2016 1:10:00 PM,55.0000000011642,0.764974,17.822265,18.587239
11/3/2016 1:24:00 PM,69.0000000048894,0.472005,17.602539,18.074544
11/3/2016 1:25:00 PM,70.0000000081491,-0.048828,17.805989,17.757161
11/3/2016 1:39:00 PM,84.000000001397,0.504557,17.692057,18.196614
11/3/2016 1:40:00 PM,85.0000000046566,0.317383,17.700195,18.017578
11/3/2016 1:54:00 PM,99.0000000083819,0.301107,17.47233,17.773437
11/3/2016 1:55:00 PM,100.000000001164,0.333659,17.260742,17.594401
11/3/2016 2:09:00 PM,114.000000004889,0.464267,16.657595,17.121862
11/3/2016 2:10:00 PM,115.000000008149,0.203451,16.935221,17.138672
11/3/2016 2:24:00 PM,129.000000001397,0.12207,17.016602,17.138672
11/3/2016 2:25:00 PM,130.000000004657,0.423177,16.927083,17.35026
11/3/2016 2:39:00 PM,144.000000008382,0.024414,17.382813,17.407227
11/3/2016 2:40:00 PM,145.000000001164,-0.008138,17.602539,17.594401
11/3/2016 2:54:00 PM,159.000000004889,0.016276,17.390951,17.407227
11/3/2016 2:55:00 PM,160.000000008149,0.248279,17.230535,17.478814
11/3/2016 3:09:00 PM,174.000000001397,-0.072042,16.705623,16.633581
11/3/2016 3:10:00 PM,175.000000004657,0.309245,16.927083,17.236328
11/3/2016 3:24:00 PM,189.000000008382,-0.016276,17.130534,17.114258
11/3/2016 3:25:00 PM,190.000000001164,0.227865,17.211914,17.439779
11/3/2016 3:39:00 PM,204.000000004889,0.292969,17.032877,17.325846
11/3/2016 3:40:00 PM,205.000000008149,-0.12207,17.529297,17.407227
11/3/2016 3:54:00 PM,219.000000001397,0.138346,17.415365,17.553711
11/3/2016 3:55:00 PM,220.000000004657,0.520833,17.293294,17.814127
11/3/2016 4:09:00 PM,234.000000008382,-0.024014,16.521516,16.497502
11/3/2016 4:10:00 PM,235.000000001164,0.325521,16.715495,17.041016
11/3/2016 4:24:00 PM,249.000000004889,0.179036,16.845703,17.024739
11/3/2016 4:25:00 PM,250.000000008149,0.325521,16.837565,17.163086
11/3/2016 4:38:00 PM,263.000000008615,0.097656,16.666667,16.764323
11/3/2016 4:39:00 PM,264.000000001397,0.268555,16.780599,17.049154
11/3/2016 4:40:00 PM,265.000000004657,0.138346,17.130534,17.26888
11/3/2016 4:54:00 PM,279.000000008382,0,16.894531,16.894531
11/3/2016 4:55:00 PM,280.000000001164,0,17.225922,17.225922
11/3/2016 5:09:00 PM,294.000000004889,0.376217,16.345415,16.721632
11/3/2016 5:10:00 PM,295.000000008149,0.154622,16.870118,17.02474
11/3/2016 5:24:00 PM,309.000000001397,0.276693,16.780599,17.057292
11/3/2016 5:25:00 PM,310.000000004657,0.317383,17.097982,17.415365
11/3/2016 5:39:00 PM,324.000000008382,-0.12207,17.041015,16.918945
11/3/2016 5:40:00 PM,325.000000001164,0.105794,17.049154,17.154948
11/3/2016 5:54:00 PM,339.000000004889,-0.091035,0.802767,0.711732
11/3/2016 5:55:00 PM,340.000000008149,0.157243,0.562765,0.720008
