---
instrument_id: '392'
data_file_original_name: 'EPA2012B_NOx.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'NO_UNCOR_ppb'
    - 'NO2_UNCOR_ppb'
    - 'NOx_UNCOR_ppb'
dataset_id: '3016'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/431'
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 16:10:35'
dataset_updated_at: '2021-08-26 16:10:35'
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
1/19/2015 9:44:00 AM,-71.0000000009313,-0.024414,0.138346,0.113932
1/19/2015 9:45:00 AM,-69.9999999976717,-0.203451,0.162761,-0.04069
1/19/2015 10:14:00 AM,-40.9999999974389,21.622721,1.033529,22.65625
1/19/2015 10:15:00 AM,-39.9999999941792,21.91569,1.139323,23.055013
1/19/2015 10:29:00 AM,-26.0000000009313,22.770182,1.009115,23.779297
1/19/2015 10:30:00 AM,-24.9999999976717,22.705078,1.017253,23.722331
1/19/2015 10:44:00 AM,-10.9999999939464,22.599284,1.041666,23.64095
1/19/2015 10:45:00 AM,-10.0000000011642,22.265625,1.236979,23.502604
1/19/2015 11:14:00 AM,18.9999999990687,6.542969,15.584309,22.127278
1/19/2015 11:15:00 AM,20.0000000023283,6.648763,15.364583,22.013346
1/19/2015 11:29:00 AM,34.0000000060536,6.746419,15.234375,21.980794
1/19/2015 11:30:00 AM,34.9999999988358,5.708452,15.740412,21.448864
1/19/2015 11:44:00 AM,49.0000000025611,0.878906,18.131511,19.010417
1/19/2015 11:45:00 AM,50.0000000058208,0.9847,18.041993,19.026693
1/19/2015 12:14:00 PM,79.0000000060536,0.16276,16.666667,16.829427
1/19/2015 12:15:00 PM,79.9999999988358,0.349935,16.593424,16.943359
1/19/2015 12:29:00 PM,94.0000000025611,0.447591,16.601563,17.049154
1/19/2015 12:30:00 PM,95.0000000058208,0.113932,16.918946,17.032878
1/19/2015 12:44:00 PM,108.999999999069,0.276693,16.682942,16.959635
1/19/2015 12:45:00 PM,110.000000002328,0.130208,17.000326,17.130534
1/19/2015 1:14:00 PM,139.000000002561,0.252279,15.82845,16.080729
1/19/2015 1:15:00 PM,140.000000005821,0.04069,16.194661,16.235351
1/19/2015 1:29:00 PM,153.999999999069,0.244141,16.227213,16.471354
1/19/2015 1:30:00 PM,155.000000002328,0.089518,16.723633,16.813151
1/19/2015 1:44:00 PM,169.000000006054,0.244141,16.414387,16.658528
1/19/2015 1:45:00 PM,169.999999998836,-0.04069,16.829427,16.788737
1/19/2015 2:14:00 PM,198.999999999069,-0.024414,16.227213,16.202799
1/19/2015 2:15:00 PM,200.000000002328,0.113932,16.105143,16.219075
1/19/2015 2:29:00 PM,214.000000006054,0.140691,16.270524,16.411215
1/19/2015 2:30:00 PM,214.999999998836,0.260417,16.300455,16.560872
1/19/2015 2:44:00 PM,229.000000002561,0.195312,16.569011,16.764323
1/19/2015 2:45:00 PM,230.000000005821,-0.008138,16.699218,16.69108
1/19/2015 3:14:00 PM,259.000000006054,0.113932,15.755209,15.869141
1/19/2015 3:15:00 PM,259.999999998836,0.024414,15.877279,15.901693
1/19/2015 3:29:00 PM,274.000000002561,0.065104,16.300456,16.36556
1/19/2015 3:30:00 PM,275.000000005821,0.138346,16.235352,16.373698
1/19/2015 3:44:00 PM,288.999999999069,-0.065104,16.560872,16.495768
1/19/2015 3:45:00 PM,290.000000002328,0.008138,16.479492,16.48763
1/19/2015 4:14:00 PM,319.000000002561,0.097656,15.771485,15.869141
1/19/2015 4:15:00 PM,320.000000005821,0.097656,15.70638,15.804036
1/19/2015 4:29:00 PM,333.999999999069,0.066208,15.980865,16.047073
1/19/2015 4:30:00 PM,335.000000002328,0.203451,15.885416,16.088867
1/19/2015 4:44:00 PM,349.000000006054,0.130208,16.064453,16.194661
1/19/2015 4:45:00 PM,349.999999998836,-0.065104,16.219075,16.153971
1/19/2015 5:14:00 PM,378.999999999069,0.179036,15.144857,15.323893
1/19/2015 5:15:00 PM,380.000000002328,0.024414,15.128581,15.152995
1/19/2015 5:29:00 PM,394.000000006054,0.252279,15.454101,15.70638
1/19/2015 5:30:00 PM,394.999999998836,0.170898,15.34017,15.511068
1/19/2015 6:14:00 PM,439.000000006054,-0.056966,5.818685,5.761719
1/19/2015 6:15:00 PM,439.999999998836,-0.113932,5.46875,5.354818
1/19/2015 6:29:00 PM,454.000000002561,-0.08138,3.78418,3.7028
