---
instrument_id: '392'
data_file_original_name: 'EPA2269A_NOx.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'NO_UNCOR_ppb'
    - 'NO2_UNCOR_ppb'
    - 'NOx_UNCOR_ppb'
dataset_id: '2437'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/281'
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 16:06:59'
dataset_updated_at: '2021-08-24 16:06:59'
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
10/26/2016 9:09:00 AM,-62.0000000030268,19.930013,7.845052,27.775065
10/26/2016 9:10:00 AM,-60.9999999997672,19.645182,7.779948,27.42513
10/26/2016 9:24:00 AM,-46.9999999960419,19.807942,7.543946,27.351888
10/26/2016 9:25:00 AM,-46.0000000032596,19.49056,7.926432,27.416992
10/26/2016 9:39:00 AM,-31.9999999995343,19.482422,7.617188,27.09961
10/26/2016 9:40:00 AM,-30.9999999962747,19.604492,7.52767,27.132162
10/26/2016 9:54:00 AM,-17.0000000030268,19.099935,7.568359,26.668294
10/26/2016 9:55:00 AM,-15.9999999997672,19.384765,7.584636,26.969401
10/26/2016 10:09:00 AM,-1.99999999604188,19.018555,7.218424,26.236979
10/26/2016 10:10:00 AM,-1.00000000325963,19.197591,7.11263,26.310221
10/26/2016 10:24:00 AM,13.0000000004657,4.272461,19.962565,24.235026
10/26/2016 10:25:00 AM,14.0000000037253,3.841146,20.320638,24.161784
10/26/2016 10:39:00 AM,27.9999999969732,3.198242,18.99414,22.192382
10/26/2016 10:40:00 AM,29.0000000002328,3.271484,19.156901,22.428385
10/26/2016 10:54:00 AM,43.0000000039581,2.937825,18.847657,21.785482
10/26/2016 10:55:00 AM,43.9999999967404,2.709961,19.067383,21.777344
10/26/2016 11:09:00 AM,58.0000000004657,2.433268,18.457031,20.890299
10/26/2016 11:10:00 AM,59.0000000037253,2.351888,18.505859,20.857747
10/26/2016 11:24:00 AM,72.9999999969732,1.48112,18.749999,20.231119
10/26/2016 11:25:00 AM,74.0000000002328,1.652018,19.010417,20.662435
10/26/2016 11:39:00 AM,88.0000000039581,2.213542,18.033854,20.247396
10/26/2016 11:40:00 AM,88.9999999967404,1.896159,18.237304,20.133463
10/26/2016 11:54:00 AM,103.000000000466,1.5625,18.041992,19.604492
10/26/2016 11:55:00 AM,104.000000003725,1.220703,18.513997,19.7347
10/26/2016 12:09:00 PM,117.999999996973,1.082357,17.659505,18.741862
10/26/2016 12:10:00 PM,119.000000000233,1.171875,18.017578,19.189453
10/26/2016 12:24:00 PM,133.000000003958,0.992839,17.667643,18.660482
10/26/2016 12:25:00 PM,133.99999999674,1.033529,18.025716,19.059245
10/26/2016 12:39:00 PM,148.000000000466,0.846354,17.626953,18.473307
10/26/2016 12:40:00 PM,149.000000003725,0.187174,18.017578,18.204752
10/26/2016 12:54:00 PM,162.999999996973,0.520833,17.382813,17.903646
10/26/2016 12:55:00 PM,164.000000000233,0.276693,17.993164,18.269857
10/26/2016 1:09:00 PM,178.000000003958,0.415039,16.918945,17.333984
10/26/2016 1:10:00 PM,178.99999999674,0.415039,17.122396,17.537435
10/26/2016 1:24:00 PM,193.000000000466,0.651042,16.870117,17.521159
10/26/2016 1:25:00 PM,194.000000003725,0.024414,17.635091,17.659505
10/26/2016 1:39:00 PM,207.999999996973,0.12207,17.154948,17.277018
10/26/2016 1:40:00 PM,209.000000000233,-0.073242,17.30957,17.236328
10/26/2016 1:54:00 PM,223.000000003958,0.12207,17.016602,17.138672
10/26/2016 1:55:00 PM,223.99999999674,0.284831,17.43164,17.716471
10/26/2016 2:09:00 PM,238.000000000466,0.04069,16.560872,16.601562
10/26/2016 2:10:00 PM,239.000000003725,0.04069,16.837565,16.878255
10/26/2016 2:24:00 PM,252.999999996973,0.252279,16.48763,16.739909
10/26/2016 2:25:00 PM,254.000000000233,0.097656,16.739909,16.837565
10/26/2016 2:39:00 PM,268.000000003958,0.520833,16.536459,17.057292
10/26/2016 2:40:00 PM,268.99999999674,0.203451,16.894531,17.097982
10/26/2016 2:54:00 PM,283.000000000466,0.244141,16.536458,16.780599
10/26/2016 2:55:00 PM,284.000000003725,0.12207,16.98405,17.10612
10/26/2016 3:09:00 PM,297.999999996973,0.187174,15.974935,16.162109
10/26/2016 3:10:00 PM,299.000000000233,0.252279,16.44694,16.699219
10/26/2016 3:24:00 PM,313.000000003958,-0.048828,16.438802,16.389974
10/26/2016 3:25:00 PM,313.99999999674,0.179036,16.495769,16.674805
10/26/2016 3:39:00 PM,328.000000000466,0.252279,16.007486,16.259765
10/26/2016 3:40:00 PM,329.000000003725,0.065104,16.707357,16.772461
10/26/2016 3:54:00 PM,342.999999996973,0.325521,16.153971,16.479492
10/26/2016 3:55:00 PM,344.000000000233,0.048828,16.512044,16.560872
10/26/2016 4:09:00 PM,358.000000003958,0.146484,15.673828,15.820312
10/26/2016 4:10:00 PM,358.99999999674,-0.105794,16.080729,15.974935
10/26/2016 4:24:00 PM,373.000000000466,0.341797,15.559896,15.901693
10/26/2016 4:25:00 PM,374.000000003725,0.431315,15.934245,16.36556
10/26/2016 4:39:00 PM,387.999999996973,0.170898,8.789063,8.959961
10/26/2016 4:40:00 PM,389.000000000233,0.252279,8.455403,8.707682
10/26/2016 4:54:00 PM,403.000000003958,0.024414,2.636718,2.661132
10/26/2016 4:55:00 PM,403.99999999674,-0.406901,3.059895,2.652994
