---
instrument_id: '392'
data_file_original_name: 'EPA2262B_NOx.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'NO_UNCOR_ppb'
    - 'NO2_UNCOR_ppb'
    - 'NOx_UNCOR_ppb'
dataset_id: '2821'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/257'
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 12:25:48'
dataset_updated_at: '2021-08-26 12:25:48'
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
10/11/2016 8:44:00 AM,-143.999999997905,8.007812,3.320313,11.328125
10/11/2016 8:45:00 AM,-142.999999994645,8.129883,3.409831,11.539714
10/11/2016 9:14:00 AM,-113.999999994412,7.495117,3.82487,11.319987
10/11/2016 9:15:00 AM,-113.00000000163,7.698568,3.743489,11.442057
10/11/2016 9:29:00 AM,-98.9999999979045,7.714844,3.727213,11.442057
10/11/2016 9:30:00 AM,-97.9999999946449,7.722982,3.678385,11.401367
10/11/2016 9:44:00 AM,-84.000000001397,7.926432,3.792318,11.71875
10/11/2016 9:45:00 AM,-82.9999999981374,8.121745,3.580729,11.702474
10/11/2016 10:14:00 AM,-53.9999999979045,8.072917,3.735351,11.808268
10/11/2016 10:15:00 AM,-52.9999999946449,8.284505,3.523763,11.808268
10/11/2016 10:29:00 AM,-39.000000001397,7.89388,3.841146,11.735026
10/11/2016 10:30:00 AM,-37.9999999981374,7.902018,3.645834,11.547852
10/11/2016 10:44:00 AM,-23.9999999944121,7.560221,3.694662,11.254883
10/11/2016 10:45:00 AM,-23.0000000016298,7.527669,3.849284,11.376953
10/11/2016 11:14:00 AM,5.99999999860302,2.091471,8.520508,10.611979
10/11/2016 11:15:00 AM,7.00000000186265,1.570638,8.683268,10.253906
10/11/2016 11:29:00 AM,21.0000000055879,0.887044,9.375,10.262044
10/11/2016 11:30:00 AM,21.9999999983702,0.415039,9.45638,9.871419
10/11/2016 11:44:00 AM,36.0000000020955,0.12207,9.521485,9.643555
10/11/2016 11:45:00 AM,37.0000000053551,0.219726,9.521485,9.741211
10/11/2016 12:14:00 PM,66.0000000055879,0.406901,9.440104,9.847005
10/11/2016 12:15:00 PM,66.9999999983702,0.268555,9.545898,9.814453
10/11/2016 12:29:00 PM,81.0000000020955,0.545247,9.847005,10.392252
10/11/2016 12:30:00 PM,82.0000000053551,0.520833,9.830729,10.351562
10/11/2016 12:44:00 PM,95.999999998603,0.415039,9.790039,10.205078
10/11/2016 12:45:00 PM,97.0000000018626,0.292969,9.903971,10.19694
10/11/2016 1:14:00 PM,126.000000002095,0.032552,9.749349,9.781901
10/11/2016 1:15:00 PM,127.000000005355,0.390625,9.667969,10.058594
10/11/2016 1:29:00 PM,140.999999998603,0.024414,9.708659,9.733073
10/11/2016 1:30:00 PM,142.000000001863,0.130208,9.781901,9.912109
10/11/2016 1:44:00 PM,156.000000005588,0.284831,9.928385,10.213216
10/11/2016 1:45:00 PM,156.99999999837,0.138346,9.977214,10.11556
10/11/2016 2:14:00 PM,185.999999998603,0.195312,9.733073,9.928385
10/11/2016 2:15:00 PM,187.000000001863,0.219726,9.619141,9.838867
10/11/2016 2:29:00 PM,201.000000005588,0.113932,9.749349,9.863281
10/11/2016 2:30:00 PM,201.99999999837,0.561523,9.749349,10.310872
10/11/2016 2:44:00 PM,216.000000002095,0.097656,9.855143,9.952799
10/11/2016 2:45:00 PM,217.000000005355,-0.024414,9.895833,9.871419
10/11/2016 3:14:00 PM,246.000000005588,0.179036,9.562175,9.741211
10/11/2016 3:15:00 PM,246.99999999837,0.105794,9.635417,9.741211
10/11/2016 3:29:00 PM,261.000000002095,0.008138,9.700521,9.708659
10/11/2016 3:30:00 PM,262.000000005355,0.488281,9.505208,9.993489
10/11/2016 3:44:00 PM,275.999999998603,0.569661,9.700521,10.270182
10/11/2016 3:45:00 PM,277.000000001863,0.227864,9.659831,9.887695
10/11/2016 4:14:00 PM,306.000000002095,0.480143,9.521484,10.001627
10/11/2016 4:15:00 PM,307.000000005355,0.065104,9.521485,9.586589
10/11/2016 4:29:00 PM,320.999999998603,0.154622,9.602865,9.757487
10/11/2016 4:30:00 PM,322.000000001863,0.284831,9.480794,9.765625
10/11/2016 4:44:00 PM,336.000000005588,0.252279,9.749348,10.001627
10/11/2016 4:45:00 PM,336.99999999837,0.12207,9.781901,9.903971
10/11/2016 5:14:00 PM,365.999999998603,0.20345,9.578451,9.781901
10/11/2016 5:15:00 PM,367.000000001863,0.16276,9.684245,9.847005
10/11/2016 5:29:00 PM,381.000000005588,0.284831,9.651692,9.936523
10/11/2016 5:30:00 PM,381.99999999837,0.244141,9.74121,9.985351
