---
instrument_id: '392'
data_file_original_name: 'EPA2007B_NOx.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'NO_UNCOR_ppb'
    - 'NO2_UNCOR_ppb'
    - 'NOx_UNCOR_ppb'
dataset_id: '3005'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/428'
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 15:49:25'
dataset_updated_at: '2021-08-26 15:49:25'
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
12/4/2014 7:14:00 AM,-195.999999999767,-0.12207,0.577799,0.455729
12/4/2014 7:15:00 AM,-194.999999996508,-0.12207,0.488281,0.366211
12/4/2014 7:29:00 AM,-181.00000000326,-0.236003,0.5778,0.341797
12/4/2014 8:29:00 AM,-120.999999996275,-0.130208,0.24414,0.113932
12/4/2014 8:30:00 AM,-120.000000003492,-0.463867,0.610351,0.146484
12/4/2014 8:44:00 AM,-105.999999999767,-0.089518,0.382487,0.292969
12/4/2014 8:45:00 AM,-104.999999996508,-0.382487,0.651042,0.268555
12/4/2014 9:14:00 AM,-75.9999999962747,-0.325521,0.61849,0.292969
12/4/2014 9:15:00 AM,-75.0000000034925,-0.089518,0.358073,0.268555
12/4/2014 9:29:00 AM,-60.9999999997672,-0.480143,0.830078,0.349935
12/4/2014 9:30:00 AM,-59.9999999965075,-0.105794,0.545247,0.439453
12/4/2014 9:44:00 AM,-46.0000000032596,-0.187175,0.610352,0.423177
12/4/2014 9:45:00 AM,-45,-0.284831,0.602214,0.317383
12/4/2014 10:14:00 AM,-15.9999999997672,-0.260417,0.594076,0.333659
12/4/2014 10:15:00 AM,-14.9999999965075,-0.512695,0.927734,0.415039
12/4/2014 10:29:00 AM,-1.00000000325963,-0.325521,0.675456,0.349935
12/4/2014 10:30:00 AM,0,-0.203451,0.773112,0.569661
12/4/2014 10:44:00 AM,14.0000000037253,-0.309245,0.82194,0.512695
12/4/2014 10:45:00 AM,14.9999999965075,-0.545247,0.968424,0.423177
12/4/2014 11:14:00 AM,43.9999999967404,-0.333659,0.927734,0.594075
12/4/2014 11:15:00 AM,45,-0.284831,0.887044,0.602213
12/4/2014 11:29:00 AM,59.0000000037253,-0.219727,0.756836,0.537109
12/4/2014 11:30:00 AM,59.9999999965075,-0.390625,1.06608,0.675455
12/4/2014 11:44:00 AM,74.0000000002328,-0.179037,0.708008,0.528971
12/4/2014 11:45:00 AM,75.0000000034925,-0.04069,0.708007,0.667317
12/4/2014 12:14:00 PM,104.000000003725,-0.138346,0.838215,0.699869
12/4/2014 12:15:00 PM,104.999999996508,-0.528971,1.171874,0.642903
12/4/2014 12:29:00 PM,119.000000000233,-0.073242,0.813802,0.74056
12/4/2014 12:30:00 PM,120.000000003492,-0.211589,0.830078,0.618489
12/4/2014 12:44:00 PM,133.99999999674,-0.276693,1.025391,0.748698
12/4/2014 12:45:00 PM,135,-0.325521,1.106771,0.78125
12/4/2014 1:14:00 PM,164.000000000233,-0.504557,1.253255,0.748698
12/4/2014 1:15:00 PM,165.000000003492,-0.355866,1.075874,0.720008
12/4/2014 1:29:00 PM,178.99999999674,-0.301107,1.049805,0.748698
12/4/2014 1:30:00 PM,180,-0.227865,1.041667,0.813802
12/4/2014 1:44:00 PM,194.000000003725,-0.179037,1.123047,0.94401
12/4/2014 1:45:00 PM,194.999999996508,-0.195313,1.066081,0.870768
12/4/2014 2:14:00 PM,223.99999999674,-0.130208,1.131184,1.000976
12/4/2014 2:15:00 PM,225,-0.333659,1.196289,0.86263
12/4/2014 2:29:00 PM,239.000000003725,-0.325521,1.220703,0.895182
12/4/2014 2:30:00 PM,239.999999996508,-0.236003,1.310222,1.074219
12/4/2014 2:44:00 PM,254.000000000233,-0.415039,1.497396,1.082357
12/4/2014 2:45:00 PM,255.000000003492,-0.138346,1.285807,1.147461
12/4/2014 3:14:00 PM,284.000000003725,-0.301107,1.293945,0.992838
12/4/2014 3:15:00 PM,284.999999996508,-0.211589,1.147461,0.935872
12/4/2014 3:29:00 PM,299.000000000233,-0.179037,1.180013,1.000976
12/4/2014 3:30:00 PM,300.000000003492,-0.138346,1.171874,1.033528
12/4/2014 3:44:00 PM,313.99999999674,-0.382487,1.416015,1.033528
12/4/2014 3:45:00 PM,315,-0.244141,1.302084,1.057943
12/4/2014 4:14:00 PM,344.000000000233,-0.146484,1.236979,1.090495
12/4/2014 4:15:00 PM,345.000000003492,-0.211589,1.236979,1.02539
12/4/2014 4:29:00 PM,358.99999999674,-0.512695,1.611328,1.098633
12/4/2014 4:30:00 PM,360,-0.504557,1.700846,1.196289
12/4/2014 4:44:00 PM,374.000000003725,-0.073242,1.212565,1.139323
12/4/2014 4:45:00 PM,374.999999996508,-0.5778,1.888021,1.310221
12/4/2014 5:14:00 PM,403.99999999674,-0.113932,1.326497,1.212565
12/4/2014 5:15:00 PM,405,-0.260417,1.456706,1.196289
12/4/2014 5:29:00 PM,419.000000003725,-0.341797,1.619466,1.277669
12/4/2014 5:30:00 PM,419.999999996508,-0.431315,1.757812,1.326497
12/4/2014 5:44:00 PM,434.000000000233,-0.455729,1.774088,1.318359
12/4/2014 5:45:00 PM,435.000000003492,-0.105794,1.529948,1.424154
12/4/2014 6:14:00 PM,464.000000003725,-0.268555,1.717123,1.448568
12/4/2014 6:15:00 PM,464.999999996508,0.138346,1.123047,1.261393
12/4/2014 6:29:00 PM,479.000000000233,-0.203451,1.733399,1.529948
12/4/2014 6:30:00 PM,480.000000003492,-0.056966,1.505534,1.448568
12/4/2014 6:44:00 PM,493.99999999674,-0.423177,1.822917,1.39974
12/4/2014 6:45:00 PM,495,-0.016276,1.497396,1.48112
12/4/2014 7:14:00 PM,524.000000000233,-0.219727,1.660157,1.44043
12/4/2014 7:15:00 PM,525.000000003492,-0.333659,1.774089,1.44043
12/4/2014 7:29:00 PM,538.99999999674,-0.154623,1.269532,1.114909
12/4/2014 7:30:00 PM,540,-0.496419,1.481119,0.9847
