---
instrument_id: '392'
data_file_original_name: 'EPA1999A_NOx.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'NO_UNCOR_ppb'
    - 'NO2_UNCOR_ppb'
    - 'NOx_UNCOR_ppb'
dataset_id: '2926'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/413'
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 14:37:48'
dataset_updated_at: '2021-08-26 14:37:48'
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
11/22/2014 9:09:00 AM,-230.999999988126,-0.496419,0.585937,0.089518
11/22/2014 9:10:00 AM,-229.999999984866,-0.325521,0.569662,0.244141
11/22/2014 9:24:00 AM,-215.999999991618,-0.390625,0.537109,0.146484
11/22/2014 9:25:00 AM,-214.999999988358,-0.056966,0.138346,0.08138
11/22/2014 10:39:00 AM,-140.999999988126,-0.260417,0.089519,-0.170898
11/22/2014 10:40:00 AM,-139.999999984866,-0.528971,0.390625,-0.138346
11/22/2014 10:54:00 AM,-125.999999991618,-0.12207,0.065104,-0.056966
11/22/2014 10:55:00 AM,-124.999999988358,-0.292969,0.301107,0.008138
11/22/2014 11:09:00 AM,-110.999999984633,-0.374349,0.374349,0
11/22/2014 11:10:00 AM,-109.999999991851,-0.317383,0.366211,0.048828
11/22/2014 11:24:00 AM,-95.9999999881256,-0.244141,0.415039,0.170898
11/22/2014 11:25:00 AM,-94.999999984866,0.048828,0.130208,0.179036
11/22/2014 11:39:00 AM,-80.9999999916181,-0.244141,0.244141,0
11/22/2014 11:40:00 AM,-79.9999999883585,-0.374349,0.382487,0.008138
11/22/2014 11:54:00 AM,-65.9999999846332,-0.048828,0.276692,0.227864
11/22/2014 11:55:00 AM,-64.9999999918509,-0.227865,0.325521,0.097656
11/22/2014 12:09:00 PM,-50.9999999881256,-0.455729,0.512695,0.056966
11/22/2014 12:10:00 PM,-49.999999984866,-0.227865,0.366211,0.138346
11/22/2014 12:24:00 PM,-35.9999999916181,-0.415039,0.561523,0.146484
11/22/2014 12:25:00 PM,-34.9999999883585,-0.406901,0.594075,0.187174
11/22/2014 12:39:00 PM,-20.9999999846332,-0.179037,0.431316,0.252279
11/22/2014 12:40:00 PM,-19.9999999918509,-0.04069,0.496419,0.455729
11/22/2014 12:54:00 PM,-5.99999998812564,-0.309245,0.69987,0.390625
11/22/2014 12:55:00 PM,-4.99999998486601,-0.179037,0.45573,0.276693
11/22/2014 1:09:00 PM,9.0000000083819,-0.292969,0.691732,0.398763
11/22/2014 1:10:00 PM,10.0000000116415,-0.284831,0.5778,0.292969
11/22/2014 1:24:00 PM,24.0000000153668,-0.179037,0.724284,0.545247
11/22/2014 1:25:00 PM,25.0000000081491,0.065104,0.504557,0.569661
11/22/2014 1:39:00 PM,39.0000000118744,-0.480143,0.878906,0.398763
11/22/2014 1:40:00 PM,40.000000015134,-0.431315,0.976562,0.545247
11/22/2014 1:54:00 PM,54.0000000083819,-0.227865,0.74056,0.512695
11/22/2014 1:55:00 PM,55.0000000116415,0.08138,0.626627,0.708007
11/22/2014 2:09:00 PM,69.0000000153668,-0.480143,0.756836,0.276693
11/22/2014 2:10:00 PM,70.0000000081491,0.024414,0.455729,0.480143
11/22/2014 2:24:00 PM,84.000000001397,-0.219727,0.789388,0.569661
11/22/2014 2:25:00 PM,85.000000015134,-0.537109,1.041666,0.504557
11/22/2014 2:39:00 PM,99.0000000083819,-0.195313,0.78125,0.585937
11/22/2014 2:40:00 PM,100.000000011642,-0.179036,0.764973,0.585937
11/22/2014 2:54:00 PM,114.000000015367,-0.203451,0.919596,0.716145
11/22/2014 2:55:00 PM,115.000000008149,0.105794,0.724284,0.830078
11/22/2014 3:09:00 PM,129.000000011874,-0.268555,0.94401,0.675455
11/22/2014 3:10:00 PM,130.000000015134,-0.113932,0.789387,0.675455
11/22/2014 3:24:00 PM,144.000000008382,-0.236003,0.870768,0.634765
11/22/2014 3:25:00 PM,145.000000011642,-0.016276,0.789388,0.773112
11/22/2014 3:39:00 PM,159.000000015367,-0.268555,0.968424,0.699869
11/22/2014 3:40:00 PM,160.000000008149,-0.406901,1.147461,0.74056
11/22/2014 3:54:00 PM,174.000000011874,-0.455729,1.14746,0.691731
11/22/2014 3:55:00 PM,175.000000015134,-0.268555,1.106771,0.838216
11/22/2014 4:09:00 PM,189.000000008382,-0.130208,0.838215,0.708007
11/22/2014 4:10:00 PM,190.000000011642,-0.333659,1.082357,0.748698
11/22/2014 4:24:00 PM,204.000000015367,-0.008138,1.114909,1.106771
11/22/2014 4:25:00 PM,205.000000008149,-0.04069,0.878906,0.838216
11/22/2014 4:39:00 PM,219.000000011874,-0.349935,1.212565,0.86263
11/22/2014 4:40:00 PM,220.000000015134,-0.374349,1.391601,1.017252
11/22/2014 4:54:00 PM,234.000000008382,-0.317383,1.302083,0.9847
11/22/2014 4:55:00 PM,235.000000011642,-0.260417,1.277669,1.017252
11/22/2014 5:09:00 PM,249.000000015367,-0.472005,1.407877,0.935872
11/22/2014 5:10:00 PM,250.000000008149,-0.105794,1.041666,0.935872
11/22/2014 5:24:00 PM,264.000000011874,-0.187175,1.245117,1.057942
11/22/2014 5:25:00 PM,265.000000015134,-0.463867,1.261393,0.797526
11/22/2014 5:39:00 PM,279.000000008382,-0.341797,1.293945,0.952148
11/22/2014 5:40:00 PM,280.000000011642,-0.341797,1.489258,1.147461
11/22/2014 5:54:00 PM,294.000000015367,-0.423177,1.627604,1.204427
11/22/2014 5:55:00 PM,295.000000008149,-0.187174,1.318359,1.131185
11/22/2014 6:09:00 PM,309.000000011874,-0.195313,1.155599,0.960286
11/22/2014 6:10:00 PM,310.000000015134,-0.203451,1.228841,1.02539
11/22/2014 6:24:00 PM,324.000000008382,-0.244141,1.261393,1.017252
11/22/2014 6:25:00 PM,325.000000011642,-0.333659,1.367187,1.033528
11/22/2014 6:39:00 PM,339.000000015367,-0.504557,1.652018,1.147461
11/22/2014 6:40:00 PM,340.000000008149,-0.292969,1.456706,1.163737
11/22/2014 6:54:00 PM,354.000000011874,-0.099312,1.423464,1.324152
11/22/2014 6:55:00 PM,355.000000015134,-0.349935,1.749675,1.39974
11/22/2014 7:09:00 PM,369.000000008382,-0.154623,1.407878,1.253255
11/22/2014 7:10:00 PM,370.000000011642,-0.187175,1.416016,1.228841
11/22/2014 7:24:00 PM,384.000000015367,-0.301107,1.472982,1.171875
11/22/2014 7:25:00 PM,385.000000008149,-0.325521,1.611328,1.285807
11/22/2014 7:39:00 PM,399.000000011874,0.048828,1.367188,1.416016
11/22/2014 7:40:00 PM,400.000000015134,-0.292969,1.652018,1.359049
11/22/2014 7:54:00 PM,414.000000008382,-0.16276,1.668294,1.505534
11/22/2014 7:55:00 PM,415.000000011642,-0.301107,1.831055,1.529948
11/22/2014 8:09:00 PM,429.000000015367,-0.032552,1.334635,1.302083
11/22/2014 8:10:00 PM,430.000000008149,-0.048828,1.359049,1.310221
11/22/2014 8:24:00 PM,444.000000001397,0.08138,1.448568,1.529948
11/22/2014 8:25:00 PM,445.000000015134,-0.146484,1.635742,1.489258
11/22/2014 8:39:00 PM,459.000000008382,-0.187175,1.757813,1.570638
11/22/2014 8:40:00 PM,460.000000011642,-0.146484,1.774088,1.627604
11/22/2014 8:54:00 PM,474.000000015367,-0.115863,1.613811,1.497948
11/22/2014 8:55:00 PM,475.000000008149,-0.16276,1.708984,1.546224
11/22/2014 9:09:00 PM,489.000000011874,-0.146485,1.057943,0.911458
11/22/2014 9:10:00 PM,490.000000015134,-0.382487,1.261393,0.878906
11/22/2014 9:24:00 PM,504.000000008382,-0.406901,1.407877,1.000976
11/22/2014 9:25:00 PM,505.000000011642,-0.195313,1.066081,0.870768
11/22/2014 9:39:00 PM,519.000000015367,-0.472005,1.204427,0.732422
11/22/2014 9:40:00 PM,520.000000008149,-0.309245,1.171875,0.86263
11/22/2014 9:54:00 PM,534.000000011874,-0.284831,0.878906,0.594075
11/22/2014 9:55:00 PM,535.000000015134,-0.244141,0.952148,0.708007
