---
instrument_id: '392'
data_file_original_name: 'EPA2287A_NOx.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'NO_UNCOR_ppb'
    - 'NO2_UNCOR_ppb'
    - 'NOx_UNCOR_ppb'
dataset_id: '2564'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/353'
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 10:20:36'
dataset_updated_at: '2021-08-25 10:20:36'
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
12/10/2016 12:09:00 PM,-351.000000002095,0.691732,0.138346,0.830078
12/10/2016 12:10:00 PM,-349.999999998836,0.716146,-9.99999999917733e-07,0.716145
12/10/2016 12:24:00 PM,-335.999999995111,0.488281,0.105794,0.594075
12/10/2016 12:25:00 PM,-335.000000002328,0.358073,0.20345,0.561523
12/10/2016 12:39:00 PM,-320.999999998603,0.301107,0.236002,0.537109
12/10/2016 12:40:00 PM,-319.999999995343,0.260417,0.187174,0.447591
12/10/2016 12:54:00 PM,-306.000000002095,0.349935,-0.00813799999999998,0.341797
12/10/2016 12:55:00 PM,-304.999999998836,0.366211,0.024414,0.390625
12/10/2016 1:09:00 PM,-290.999999995111,0.113932,0.08138,0.195312
12/10/2016 1:10:00 PM,-290.000000002328,0.309245,-0.016276,0.292969
12/10/2016 1:24:00 PM,-275.999999998603,0.12207,0.146485,0.268555
12/10/2016 1:25:00 PM,-274.999999995343,0.16276,0.065104,0.227864
12/10/2016 1:39:00 PM,-261.000000002095,0.024414,0.195312,0.219726
12/10/2016 1:40:00 PM,-259.999999998836,0.008138,0.195312,0.20345
12/10/2016 1:54:00 PM,-245.999999995111,0.301107,0.016276,0.317383
12/10/2016 1:55:00 PM,-245.000000002328,0.12207,0.105794,0.227864
12/10/2016 2:09:00 PM,-230.999999998603,0.292969,-0.032552,0.260417
12/10/2016 2:10:00 PM,-229.999999995343,0.146484,0.122071,0.268555
12/10/2016 2:24:00 PM,-216.000000002095,0.024414,0.236003,0.260417
12/10/2016 2:25:00 PM,-214.999999998836,0.016276,0.252279,0.268555
12/10/2016 2:39:00 PM,-200.999999995111,0.138346,0.089518,0.227864
12/10/2016 2:40:00 PM,-200.000000002328,0.073242,0.170899,0.244141
12/10/2016 2:54:00 PM,-185.999999998603,0.056966,0.056966,0.113932
12/10/2016 2:55:00 PM,-184.999999995343,-0.04069,0.179036,0.138346
12/10/2016 3:09:00 PM,-171.000000002095,0.268555,-0.016276,0.252279
12/10/2016 3:10:00 PM,-169.999999998836,0.423177,-0.0651040000000001,0.358073
12/10/2016 3:24:00 PM,-155.999999995111,-0.04069,0.219726,0.179036
12/10/2016 3:25:00 PM,-155.000000002328,0.056966,0.056966,0.113932
12/10/2016 3:39:00 PM,-140.999999998603,0.195312,0.105795,0.301107
12/10/2016 3:40:00 PM,-139.999999995343,0.187175,0.130208,0.317383
12/10/2016 3:54:00 PM,-126.000000002095,0.065104,0.113932,0.179036
12/10/2016 3:55:00 PM,-124.999999998836,-0.113932,0.268554,0.154622
12/10/2016 4:09:00 PM,-110.999999995111,0.252279,-0.016277,0.236002
12/10/2016 4:10:00 PM,-110.000000002328,-0.024414,0.211588,0.187174
12/10/2016 4:24:00 PM,-95.999999998603,0.024414,0.138346,0.16276
12/10/2016 4:25:00 PM,-94.9999999953434,0.024414,0.170898,0.195312
12/10/2016 4:39:00 PM,-81.0000000020955,0.056966,0.268555,0.325521
12/10/2016 4:40:00 PM,-79.9999999988358,0.016276,0.333659,0.349935
12/10/2016 4:54:00 PM,-65.9999999951106,-0.016276,0.504557,0.488281
12/10/2016 4:55:00 PM,-65.0000000023283,-0.073242,0.488281,0.415039
12/10/2016 5:09:00 PM,-50.999999998603,0.048828,0.358073,0.406901
12/10/2016 5:10:00 PM,-49.9999999953434,0.236003,0.309244,0.545247
12/10/2016 5:24:00 PM,-36.0000000020955,0.146484,0.382487,0.528971
12/10/2016 5:25:00 PM,-34.9999999988358,0.455729,0.16276,0.618489
12/10/2016 5:39:00 PM,-20.9999999951106,0,0.585937,0.585937
12/10/2016 5:40:00 PM,-20.0000000023283,0.317383,0.455729,0.773112
12/10/2016 5:54:00 PM,-5.99999999860302,0.154622,0.610352,0.764974
12/10/2016 5:55:00 PM,-4.99999999534339,0.349935,0.447591,0.797526
12/10/2016 6:09:00 PM,8.99999999790452,0.138346,0.358073,0.496419
12/10/2016 6:10:00 PM,10.0000000011642,0.105794,0.480143,0.585937
12/10/2016 6:24:00 PM,24.0000000048894,0.838216,0.5778,1.416016
12/10/2016 6:25:00 PM,24.9999999976717,0.561523,0.691732,1.253255
12/10/2016 6:39:00 PM,39.000000001397,0.268555,0.708007,0.976562
12/10/2016 6:40:00 PM,40.0000000046566,0.626628,0.626627,1.253255
12/10/2016 6:54:00 PM,53.9999999979045,0.667318,0.838216,1.505534
12/10/2016 6:55:00 PM,55.0000000011642,0.455729,0.846354,1.302083
12/10/2016 7:09:00 PM,69.0000000048894,0.585937,0.944011,1.529948
12/10/2016 7:10:00 PM,69.9999999976717,0.708008,0.887044,1.595052
12/10/2016 7:24:00 PM,84.000000001397,0.569662,1.098632,1.668294
12/10/2016 7:25:00 PM,85.0000000046566,0.382487,1.212565,1.595052
12/10/2016 7:39:00 PM,98.9999999979045,0.08138,1.497396,1.578776
12/10/2016 7:40:00 PM,100.000000001164,0.113932,1.497396,1.611328
12/10/2016 7:54:00 PM,114.000000004889,0.406901,1.31836,1.725261
12/10/2016 7:55:00 PM,114.999999997672,0.073242,1.529948,1.60319
12/10/2016 8:09:00 PM,129.000000001397,0.406901,1.334636,1.741537
12/10/2016 8:10:00 PM,130.000000004657,0.219727,1.464843,1.68457
12/10/2016 8:24:00 PM,143.999999997905,0.236003,1.798502,2.034505
12/10/2016 8:25:00 PM,145.000000001164,0.170898,1.847331,2.018229
12/10/2016 8:39:00 PM,159.000000004889,0.406901,1.741536,2.148437
12/10/2016 8:40:00 PM,159.999999997672,0.252279,1.757812,2.010091
12/10/2016 8:54:00 PM,174.000000001397,0.089518,2.050781,2.140299
12/10/2016 8:55:00 PM,175.000000004657,0.431315,1.888021,2.319336
12/10/2016 9:09:00 PM,188.999999997905,0.260417,1.953125,2.213542
12/10/2016 9:10:00 PM,190.000000001164,0.195312,2.01823,2.213542
12/10/2016 9:24:00 PM,204.000000004889,0.406901,2.197265,2.604166
12/10/2016 9:25:00 PM,204.999999997672,0.276693,2.360025,2.636718
