---
instrument_id: '392'
data_file_original_name: 'EPA2276A_NOx.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'NO_UNCOR_ppb'
    - 'NO2_UNCOR_ppb'
    - 'NOx_UNCOR_ppb'
dataset_id: '2878'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/334'
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 13:18:03'
dataset_updated_at: '2021-08-26 13:18:03'
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
11/10/2016 7:54:00 AM,-37.9999999981374,11.661784,3.605143,15.266927
11/10/2016 7:55:00 AM,-37.0000000053551,11.897786,3.035482,14.933268
11/10/2016 8:09:00 AM,-23.0000000016298,11.580403,3.491212,15.071615
11/10/2016 8:10:00 AM,-21.9999999983702,11.596679,3.597006,15.193685
11/10/2016 8:24:00 AM,-8.00000000512227,11.832682,3.483073,15.315755
11/10/2016 8:25:00 AM,-7.00000000186265,12.084961,3.190104,15.275065
11/10/2016 8:39:00 AM,7.00000000186265,5.436198,9.318034,14.754232
11/10/2016 8:40:00 AM,7.9999999946449,4.874674,9.602865,14.477539
11/10/2016 8:54:00 AM,21.9999999983702,4.093424,9.358724,13.452148
11/10/2016 8:55:00 AM,23.0000000016298,3.816732,9.554036,13.370768
11/10/2016 9:09:00 AM,36.9999999948777,3.914388,9.130859,13.045247
11/10/2016 9:10:00 AM,37.9999999981374,3.816732,9.277343,13.094075
11/10/2016 9:24:00 AM,52.0000000018626,3.116862,9.667969,12.784831
11/10/2016 9:25:00 AM,52.9999999946449,2.799479,10.017904,12.817383
11/10/2016 9:39:00 AM,66.9999999983702,2.368164,9.383138,11.751302
11/10/2016 9:40:00 AM,68.0000000016298,2.091471,9.757487,11.848958
11/10/2016 9:54:00 AM,81.9999999948777,2.001953,9.407552,11.409505
11/10/2016 9:55:00 AM,82.9999999981374,1.879883,9.692383,11.572266
11/10/2016 10:09:00 AM,97.0000000018626,1.700846,9.326172,11.027018
11/10/2016 10:10:00 AM,97.9999999946449,1.660156,9.383138,11.043294
11/10/2016 10:24:00 AM,111.99999999837,1.171875,9.570312,10.742187
11/10/2016 10:25:00 AM,113.00000000163,1.180013,9.423828,10.603841
11/10/2016 10:39:00 AM,126.999999994878,0.9847,9.554037,10.538737
11/10/2016 10:40:00 AM,127.999999998137,0.78125,9.61914,10.40039
11/10/2016 10:54:00 AM,142.000000001863,0.667318,9.448242,10.11556
11/10/2016 10:55:00 AM,142.999999994645,0.594076,9.602864,10.19694
11/10/2016 11:09:00 AM,156.99999999837,0.488281,9.431966,9.920247
11/10/2016 11:10:00 AM,158.00000000163,0.048828,9.586589,9.635417
11/10/2016 11:24:00 AM,171.999999994878,0.431315,9.488932,9.920247
11/10/2016 11:25:00 AM,172.999999998137,-0.097656,9.838867,9.741211
11/10/2016 11:39:00 AM,187.000000001863,0.179036,9.529623,9.708659
11/10/2016 11:40:00 AM,187.999999994645,0.349935,9.838867,10.188802
11/10/2016 11:54:00 AM,201.99999999837,0.268555,9.472656,9.741211
11/10/2016 11:55:00 AM,203.00000000163,0.325521,9.57845,9.903971
11/10/2016 12:09:00 PM,216.999999994878,-0.008138,9.244792,9.236654
11/10/2016 12:10:00 PM,217.999999998137,0.236003,9.301757,9.53776
11/10/2016 12:24:00 PM,232.000000001863,0.179036,9.505209,9.684245
11/10/2016 12:25:00 PM,232.999999994645,0.480143,9.285482,9.765625
11/10/2016 12:39:00 PM,246.99999999837,0.211589,9.358723,9.570312
11/10/2016 12:40:00 PM,248.00000000163,0.048828,9.635417,9.684245
11/10/2016 12:54:00 PM,261.999999994878,0.268555,9.375,9.643555
11/10/2016 12:55:00 PM,262.999999998137,-0.04069,9.773763,9.733073
11/10/2016 1:09:00 PM,277.000000001863,0.349935,9.025065,9.375
11/10/2016 1:10:00 PM,277.999999994645,0.219727,9.147135,9.366862
11/10/2016 1:24:00 PM,291.99999999837,0.301107,9.269205,9.570312
11/10/2016 1:25:00 PM,293.00000000163,0.358073,9.513346,9.871419
11/10/2016 1:39:00 PM,306.999999994878,0.227865,9.358724,9.586589
11/10/2016 1:40:00 PM,307.999999998137,0.130208,9.399414,9.529622
11/10/2016 1:54:00 PM,322.000000001863,0.301107,9.212239,9.513346
11/10/2016 1:55:00 PM,322.999999994645,0.341797,9.431966,9.773763
11/10/2016 2:09:00 PM,336.99999999837,0.146484,8.919271,9.065755
11/10/2016 2:10:00 PM,338.00000000163,0.056966,9.383138,9.440104
11/10/2016 2:24:00 PM,351.999999994878,0.374349,9.391276,9.765625
11/10/2016 2:25:00 PM,352.999999998137,0.016276,9.49707,9.513346
11/10/2016 2:39:00 PM,367.000000001863,0.431315,9.269206,9.700521
11/10/2016 2:40:00 PM,367.999999994645,0.276693,9.749349,10.026042
11/10/2016 2:54:00 PM,381.99999999837,0.227865,9.431966,9.659831
11/10/2016 2:55:00 PM,383.00000000163,0.325521,9.57845,9.903971
11/10/2016 3:09:00 PM,396.999999994878,0,9.277344,9.277344
11/10/2016 3:10:00 PM,397.999999998137,0.187174,9.33431,9.521484
11/10/2016 3:24:00 PM,412.000000001863,0.179036,9.521485,9.700521
11/10/2016 3:25:00 PM,412.999999994645,0.317383,9.350586,9.667969
