---
instrument_id: '392'
data_file_original_name: 'EPA2259A_NOx.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'NO_UNCOR_ppb'
    - 'NO2_UNCOR_ppb'
    - 'NOx_UNCOR_ppb'
dataset_id: '2775'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/240'
experiment_set_link: 'https://icarus.ucdavis.edu/chambers/539/experimentSets/189'
chamber_link: 'https://icarus.ucdavis.edu/chambers/539'
dataset_created_at: '2021-08-26 12:17:43'
dataset_updated_at: '2021-08-26 12:17:43'
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
10/8/2016 8:24:00 AM,-89.0000000072177,15.397135,6.030274,21.427409
10/8/2016 8:25:00 AM,-88.0000000039581,16.088867,6.013997,22.102864
10/8/2016 8:39:00 AM,-74.0000000002328,16.471354,6.925456,23.39681
10/8/2016 8:40:00 AM,-73.0000000074506,16.6097,6.892904,23.502604
10/8/2016 8:54:00 AM,-59.0000000037253,16.162109,6.74642,22.908529
10/8/2016 8:55:00 AM,-58.0000000004657,16.300456,6.689453,22.989909
10/8/2016 9:09:00 AM,-44.0000000072177,16.44694,6.559245,23.006185
10/8/2016 9:10:00 AM,-43.0000000039581,16.422526,6.469727,22.892253
10/8/2016 9:24:00 AM,-29.0000000002328,16.235351,6.632488,22.867839
10/8/2016 9:25:00 AM,-28.0000000074506,16.121419,6.518555,22.639974
10/8/2016 9:39:00 AM,-14.0000000037253,15.991211,6.57552,22.566731
10/8/2016 9:40:00 AM,-13.0000000004657,16.178385,6.608073,22.786458
10/8/2016 9:54:00 AM,0.99999999278225,15.812174,6.575521,22.387695
10/8/2016 9:55:00 AM,1.99999999604188,15.120443,7.104492,22.224935
10/8/2016 10:09:00 AM,15.9999999997672,3.28776,15.356445,18.644205
10/8/2016 10:10:00 AM,16.9999999925494,3.125,15.633138,18.758138
10/8/2016 10:24:00 AM,30.9999999962747,1.977539,14.916992,16.894531
10/8/2016 10:25:00 AM,31.9999999995343,1.985677,15.152995,17.138672
10/8/2016 10:39:00 AM,45.9999999927823,1.310221,14.420573,15.730794
10/8/2016 10:40:00 AM,46.9999999960419,1.017252,14.729818,15.74707
10/8/2016 10:54:00 AM,60.9999999997672,0.651042,14.404296,15.055338
10/8/2016 10:55:00 AM,61.9999999925494,0.69987,14.737956,15.437826
10/8/2016 11:09:00 AM,75.9999999962747,0.415039,13.883463,14.298502
10/8/2016 11:10:00 AM,76.9999999995343,0.764974,14.282227,15.047201
10/8/2016 11:24:00 AM,90.9999999927823,0.284831,14.152018,14.436849
10/8/2016 11:25:00 AM,91.9999999960419,0.406901,14.501953,14.908854
10/8/2016 11:39:00 AM,105.999999999767,0.089518,14.22526,14.314778
10/8/2016 11:40:00 AM,106.999999992549,0.260417,14.436848,14.697265
10/8/2016 11:54:00 AM,120.999999996275,0.097656,14.135742,14.233398
10/8/2016 11:55:00 AM,121.999999999534,0.211588,14.444987,14.656575
10/8/2016 12:09:00 PM,135.999999992782,0.024414,13.590495,13.614909
10/8/2016 12:10:00 PM,136.999999996042,0.219726,14.217123,14.436849
10/8/2016 12:24:00 PM,150.999999999767,0.089518,13.875326,13.964844
10/8/2016 12:25:00 PM,151.999999992549,0.008138,14.176432,14.18457
10/8/2016 12:39:00 PM,165.999999996275,0.260417,13.859049,14.119466
10/8/2016 12:40:00 PM,166.999999999534,0.236003,14.143879,14.379882
10/8/2016 12:54:00 PM,180.999999992782,0.056966,13.956706,14.013672
10/8/2016 12:55:00 PM,181.999999996042,0.08138,14.249674,14.331054
10/8/2016 1:09:00 PM,195.999999999767,0.146484,13.142904,13.289388
10/8/2016 1:10:00 PM,196.999999992549,0.480143,13.566081,14.046224
10/8/2016 1:24:00 PM,210.999999996275,0.008138,13.582357,13.590495
10/8/2016 1:25:00 PM,211.999999999534,0.048828,13.793945,13.842773
10/8/2016 1:39:00 PM,225.999999992782,0.179036,13.387045,13.566081
10/8/2016 1:40:00 PM,226.999999996042,0.317383,13.680013,13.997396
10/8/2016 1:54:00 PM,240.999999999767,0.179036,13.305665,13.484701
10/8/2016 1:55:00 PM,241.999999992549,0.16276,13.704427,13.867187
10/8/2016 2:09:00 PM,255.999999996275,0.056966,12.915039,12.972005
10/8/2016 2:10:00 PM,256.999999999534,0.227864,13.19987,13.427734
10/8/2016 2:24:00 PM,270.999999992782,0,13.094075,13.094075
10/8/2016 2:25:00 PM,271.999999996042,0.398763,13.32194,13.720703
10/8/2016 2:39:00 PM,285.999999999767,0.187174,13.069662,13.256836
10/8/2016 2:40:00 PM,286.999999992549,0.211588,13.378907,13.590495
10/8/2016 2:54:00 PM,300.999999996275,0.154622,12.760417,12.915039
10/8/2016 2:55:00 PM,301.999999999534,0.219726,13.15918,13.378906
10/8/2016 3:09:00 PM,315.999999992782,0.179036,12.182617,12.361653
10/8/2016 3:10:00 PM,316.999999996042,-0.024414,12.54069,12.516276
10/8/2016 3:24:00 PM,330.999999999767,0.146484,12.37793,12.524414
10/8/2016 3:25:00 PM,331.999999992549,0.154622,12.736003,12.890625
10/8/2016 3:39:00 PM,345.999999996275,0.195312,12.443034,12.638346
10/8/2016 3:40:00 PM,346.999999999534,-0.146484,12.858072,12.711588
10/8/2016 3:54:00 PM,360.999999992782,0.008138,12.410481,12.418619
10/8/2016 3:55:00 PM,361.999999996042,0.195312,12.719727,12.915039
10/8/2016 4:09:00 PM,375.999999999767,0.105794,11.922201,12.027995
10/8/2016 4:10:00 PM,376.999999992549,0.113932,12.239583,12.353515
10/8/2016 4:24:00 PM,390.999999996275,0.268555,12.223307,12.491862
10/8/2016 4:25:00 PM,391.999999999534,0.195312,12.516276,12.711588
10/8/2016 4:39:00 PM,405.999999992782,0.16276,12.288412,12.451172
10/8/2016 4:40:00 PM,406.999999996042,0.16276,12.548828,12.711588
10/8/2016 4:54:00 PM,420.999999999767,0.073242,12.280273,12.353515
10/8/2016 4:55:00 PM,421.999999992549,0.170898,12.532552,12.70345
10/8/2016 5:09:00 PM,435.999999996275,0.08138,11.564128,11.645508
10/8/2016 5:10:00 PM,436.999999999534,0.113932,11.954753,12.068685
10/8/2016 5:24:00 PM,450.999999992782,-0.244141,11.857097,11.612956
10/8/2016 5:25:00 PM,451.999999996042,0,12.133789,12.133789
