---
instrument_id: '392'
data_file_original_name: 'EPA1417B_NOx.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'NO_UNCOR_ppb'
    - 'NO2_UNCOR_ppb'
    - 'NOx_UNCOR_ppb'
dataset_id: '3228'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/508'
experiment_set_link: 'https://icarus.ucdavis.edu/chambers/539/experimentSets/151'
chamber_link: 'https://icarus.ucdavis.edu/chambers/539'
dataset_created_at: '2021-08-26 16:59:40'
dataset_updated_at: '2021-08-26 16:59:40'
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
4/21/2011 6:44:00 AM,-189.000000008382,-0.0584141153140771,-0.0153772467917722,-0.0760608814281892
4/21/2011 6:45:00 AM,-188.000000005122,0.00892134323060718,-0.0960225876504172,-0.0893707637421499
4/21/2011 7:14:00 AM,-159.000000004889,-0.0685923172079176,-0.0145940861582921,-0.0854559226885496
4/21/2011 7:15:00 AM,-158.00000000163,-0.0537161136269968,0.00732863889634921,-0.0486569940529875
4/21/2011 8:29:00 AM,-84.000000001397,-0.0310102279388754,-0.0490444950072142,-0.0823242422684295
4/21/2011 8:30:00 AM,-83.0000000086147,-0.0826863222691587,0.00889496016330941,-0.0760608814281892
4/21/2011 8:44:00 AM,-69.0000000048894,-0.0685923172079176,-0.00676440405109159,-0.0776262405813491
4/21/2011 8:45:00 AM,-68.0000000016298,-0.00360634056367368,-0.0600058575345348,-0.0658817174205484
4/21/2011 9:14:00 AM,-39.000000001397,-0.0349250689924757,0.0182909635374701,-0.0189036247773454
4/21/2011 9:15:00 AM,-38.0000000086147,0.0809548034623719,-0.0913245859633368,-0.0126393018233048
4/21/2011 9:29:00 AM,-24.0000000048894,-0.0646774761543174,0.17645092694844,0.109503931471783
4/21/2011 9:30:00 AM,-23.0000000016298,-0.0239627443513547,0.313470363824449,0.287238100150754
4/21/2011 9:44:00 AM,-9.0000000083819,-0.0560646334136368,0.380022661735653,0.321688508999676
4/21/2011 9:45:00 AM,-8.00000000512227,-0.0341419083589955,0.387070145323174,0.350658717641838
4/21/2011 10:14:00 AM,20.9999999951106,-0.0709408369945577,0.351052453093491,0.277842096776594
4/21/2011 10:15:00 AM,21.9999999983702,-0.1085238883774,0.400380027637135,0.289586619937394
4/21/2011 10:29:00 AM,35.9999999916181,0.000309462603726925,0.413689909951095,0.411729853232482
4/21/2011 10:30:00 AM,36.9999999948777,-0.00360634056367368,0.427784877126137,0.421909017240123
4/21/2011 10:44:00 AM,50.999999998603,-0.0466695921532764,0.452839282600898,0.403900171125282
4/21/2011 10:45:00 AM,51.9999999913853,-0.0294439066719152,0.421520554172096,0.389807128177841
4/21/2011 11:14:00 AM,80.9999999916181,0.0300618697655687,0.445009600493697,0.472801950936926
4/21/2011 11:15:00 AM,81.9999999948777,-0.00595486035031369,0.456754123654498,0.448529743981845
4/21/2011 11:29:00 AM,95.999999998603,0.179608990435858,0.351836575840772,0.52917604695429
4/21/2011 11:30:00 AM,96.9999999913853,0.0300618697655687,0.438745277539657,0.466537627982886
4/21/2011 11:44:00 AM,110.999999995111,0.105227010417453,0.477111489555979,0.580068980651093
4/21/2011 11:45:00 AM,111.99999999837,0.134979417579295,0.48180949124306,0.614519389500015
4/21/2011 12:14:00 PM,140.999999998603,-0.00125685866323333,0.629790290646389,0.626263912660816
4/21/2011 12:15:00 PM,141.999999991385,0.0472875552469299,0.577331035682626,0.622349071607216
4/21/2011 12:29:00 PM,155.999999995111,0.0676439590346109,0.570285476322706,0.635659916034977
4/21/2011 12:30:00 PM,156.99999999837,0.0159688268181279,0.63840313338707,0.652102440882858
4/21/2011 12:44:00 PM,170.999999991618,0.0167510253378077,0.608650726225228,0.623132232240696
4/21/2011 12:45:00 PM,171.999999994878,0.0151856661846478,0.587510199690267,0.600426346552574
4/21/2011 1:14:00 PM,200.999999995111,0.0245807074450082,0.65014765654787,0.672458844670539
4/21/2011 1:15:00 PM,201.99999999837,0.0571867441386706,0.612884026946742,0.667801251763073
4/21/2011 1:29:00 PM,215.999999991618,0.0715588000882111,0.696343550671394,0.765632831437265
4/21/2011 1:30:00 PM,216.999999994878,0.0151856661846478,0.672070381602512,0.68498652846482
4/21/2011 1:44:00 PM,230.999999998603,0.0621637588278507,0.664240699495311,0.724134939000822
4/21/2011 1:45:00 PM,231.999999991385,0.0629469194613309,0.65092985506755,0.711607255206541
4/21/2011 2:14:00 PM,260.999999991618,0.0676439590346109,0.751151325421797,0.816525765134068
4/21/2011 2:15:00 PM,261.999999994878,0.0825211247293321,0.744103841834277,0.824355447241269
4/21/2011 2:29:00 PM,275.999999998603,0.00657282344396717,0.730793959520316,0.735097263641943
4/21/2011 2:30:00 PM,276.999999991385,0.0363252306058089,0.731577120153796,0.765632831437265
4/21/2011 2:44:00 PM,290.999999995111,0.0590320784077306,0.830230345013482,0.886992904098873
4/21/2011 2:45:00 PM,291.99999999837,0.0856528051494522,0.766809727522398,0.85019301334951
4/21/2011 3:14:00 PM,320.999999998603,-0.0435369496193559,1.07999797392422,1.03419150498252
4/21/2011 3:15:00 PM,321.999999991385,0.0465043946134498,1.02284167938717,1.06707655467828
4/21/2011 3:29:00 PM,335.999999995111,0.037108391239289,1.14968291436934,1.18452178628629
4/21/2011 3:30:00 PM,336.99999999837,0.0496360750335699,1.13324038952146,1.18060694523269
4/21/2011 3:44:00 PM,350.999999991618,0.100529008730373,1.21466985312739,1.31292934253542
4/21/2011 3:45:00 PM,351.999999994878,0.0707766015685314,1.21388573038011,1.2823928126263
4/21/2011 4:14:00 PM,380.999999995111,0.0277133499789286,1.63747268691621,1.6629165175728
4/21/2011 4:15:00 PM,381.99999999837,0.0621637588278507,1.63277564734293,1.69266988684844
