---
instrument_id: '392'
data_file_original_name: 'EPA2269B_NOx.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'NO_UNCOR_ppb'
    - 'NO2_UNCOR_ppb'
    - 'NOx_UNCOR_ppb'
dataset_id: '2443'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/282'
experiment_set_link: 'https://icarus.ucdavis.edu/chambers/539/experimentSets/190'
chamber_link: 'https://icarus.ucdavis.edu/chambers/539'
dataset_created_at: '2021-08-24 16:07:28'
dataset_updated_at: '2021-08-24 16:07:28'
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
10/26/2016 9:14:00 AM,-56.999999997206,20.23112,7.739257,27.970377
10/26/2016 9:15:00 AM,-56.0000000044238,20.019531,7.381185,27.400716
10/26/2016 9:29:00 AM,-42.0000000006985,19.783528,7.275391,27.058919
10/26/2016 9:30:00 AM,-40.9999999974389,19.53125,7.73112,27.26237
10/26/2016 9:44:00 AM,-27.000000004191,19.791667,7.421875,27.213542
10/26/2016 9:45:00 AM,-26.0000000009313,19.61263,7.421875,27.034505
10/26/2016 10:14:00 AM,2.99999999930151,11.905924,14.461263,26.367187
10/26/2016 10:15:00 AM,4.00000000256114,9.651693,16.44694,26.098633
10/26/2016 10:29:00 AM,17.999999995809,3.963216,21.256511,25.219727
10/26/2016 10:30:00 AM,18.9999999990687,3.930664,20.857747,24.788411
10/26/2016 10:44:00 AM,33.000000002794,2.872721,20.686849,23.55957
10/26/2016 10:45:00 AM,33.9999999955762,2.823893,20.93099,23.754883
10/26/2016 11:14:00 AM,62.999999995809,2.270508,20.39388,22.664388
10/26/2016 11:15:00 AM,63.9999999990687,2.010091,20.719401,22.729492
10/26/2016 11:29:00 AM,78.000000002794,2.050781,21.101888,23.152669
10/26/2016 11:30:00 AM,78.9999999955762,2.205403,20.735678,22.941081
10/26/2016 11:44:00 AM,92.9999999993015,1.611328,20.97168,22.583008
10/26/2016 11:45:00 AM,94.0000000025611,1.554362,20.955403,22.509765
10/26/2016 12:14:00 PM,123.000000002794,0.78125,20.507813,21.289063
10/26/2016 12:15:00 PM,123.999999995576,1.147461,20.792643,21.940104
10/26/2016 12:29:00 PM,137.999999999302,0.935872,20.760091,21.695963
10/26/2016 12:30:00 PM,139.000000002561,0.94401,20.686849,21.630859
10/26/2016 12:44:00 PM,152.999999995809,1.025391,20.55664,21.582031
10/26/2016 12:45:00 PM,153.999999999069,0.236003,20.865885,21.101888
10/26/2016 1:14:00 PM,182.999999999302,0.146484,20.548503,20.694987
10/26/2016 1:15:00 PM,184.000000002561,0.455729,20.328776,20.784505
10/26/2016 1:29:00 PM,197.999999995809,0.113932,20.638021,20.751953
10/26/2016 1:30:00 PM,198.999999999069,0.113932,20.768229,20.882161
10/26/2016 1:44:00 PM,213.000000002794,0.130208,20.385742,20.51595
10/26/2016 1:45:00 PM,213.999999995576,0.138346,20.597331,20.735677
10/26/2016 2:14:00 PM,242.999999995809,0.325521,20.011393,20.336914
10/26/2016 2:15:00 PM,243.999999999069,0.317383,20.190429,20.507812
10/26/2016 2:29:00 PM,258.000000002794,0.227865,20.084635,20.3125
10/26/2016 2:30:00 PM,258.999999995576,0.146484,20.117188,20.263672
10/26/2016 2:44:00 PM,272.999999999302,0.065104,20.304362,20.369466
10/26/2016 2:45:00 PM,274.000000002561,0.024414,20.442708,20.467122
10/26/2016 3:14:00 PM,303.000000002794,0.154622,19.864909,20.019531
10/26/2016 3:15:00 PM,303.999999995576,0.227865,19.881184,20.109049
10/26/2016 3:29:00 PM,317.999999999302,0.016276,20.076497,20.092773
10/26/2016 3:30:00 PM,319.000000002561,0.179036,19.954427,20.133463
10/26/2016 3:44:00 PM,332.999999995809,0.227865,19.970702,20.198567
10/26/2016 3:45:00 PM,333.999999999069,0.105794,20.117188,20.222982
10/26/2016 4:14:00 PM,362.999999999302,0.154622,19.694011,19.848633
10/26/2016 4:15:00 PM,364.000000002561,0.219727,19.61263,19.832357
10/26/2016 4:29:00 PM,377.999999995809,0.073242,19.840495,19.913737
10/26/2016 4:30:00 PM,378.999999999069,0.333659,19.848633,20.182292
10/26/2016 4:44:00 PM,393.000000002794,0.073242,6.25,6.323242
10/26/2016 4:45:00 PM,393.999999995576,-0.024414,5.061849,5.037435
