---
instrument_id: '392'
data_file_original_name: 'EPA2018A_NOx.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'NO_UNCOR_ppb'
    - 'NO2_UNCOR_ppb'
    - 'NOx_UNCOR_ppb'
dataset_id: '3083'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/442'
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 16:23:50'
dataset_updated_at: '2021-08-26 16:23:50'
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
2/2/2015 7:09:00 AM,-168.999999995576,-0.341797,0.488281,0.146484
2/2/2015 7:10:00 AM,-168.000000002794,-0.130208,0.28483,0.154622
2/2/2015 7:24:00 AM,-153.999999999069,-0.179036,0.4069,0.227864
2/2/2015 7:25:00 AM,-152.999999995809,-0.292969,0.528971,0.236002
2/2/2015 8:54:00 AM,-63.9999999990687,0.08138,0.301107,0.382487
2/2/2015 8:55:00 AM,-62.999999995809,0.252279,0.211588,0.463867
2/2/2015 9:09:00 AM,-49.0000000025611,0.065104,0.366211,0.431315
2/2/2015 9:10:00 AM,-47.9999999993015,0.138346,0.341797,0.480143
2/2/2015 9:24:00 AM,-33.9999999955762,-0.097656,0.439453,0.341797
2/2/2015 9:25:00 AM,-33.000000002794,-0.056966,0.618489,0.561523
2/2/2015 9:39:00 AM,-18.9999999990687,-0.024828,0.471729,0.446901
2/2/2015 9:40:00 AM,-17.999999995809,-0.008138,0.520833,0.512695
2/2/2015 9:54:00 AM,-4.00000000256114,0.431315,0.252278,0.683593
2/2/2015 9:55:00 AM,-2.99999999930151,0.048828,0.602213,0.651041
2/2/2015 10:09:00 AM,11.0000000044238,-0.016276,0.716145,0.699869
2/2/2015 10:10:00 AM,11.999999997206,-0.024414,0.756836,0.732422
2/2/2015 10:24:00 AM,26.0000000009313,0.105794,0.683594,0.789388
2/2/2015 10:25:00 AM,27.000000004191,-0.138346,0.911458,0.773112
2/2/2015 10:39:00 AM,40.9999999974389,-0.12207,1.139322,1.017252
2/2/2015 10:40:00 AM,42.0000000006985,-0.179036,1.139322,0.960286
2/2/2015 10:54:00 AM,56.0000000044238,-0.179036,1.448567,1.269531
2/2/2015 10:55:00 AM,56.999999997206,0.146484,1.188151,1.334635
2/2/2015 11:09:00 AM,71.0000000009313,-0.048828,1.293945,1.245117
2/2/2015 11:10:00 AM,72.000000004191,0.08138,1.228841,1.310221
2/2/2015 11:24:00 AM,85.9999999974389,-0.024414,1.342773,1.318359
2/2/2015 11:25:00 AM,87.0000000006985,-0.08138,1.5625,1.48112
2/2/2015 11:39:00 AM,101.000000004424,-0.260417,2.026368,1.765951
2/2/2015 11:40:00 AM,101.999999997206,-0.065104,1.831055,1.765951
2/2/2015 11:54:00 AM,116.000000000931,0.08138,1.741537,1.822917
2/2/2015 11:55:00 AM,117.000000004191,-0.024414,1.985677,1.961263
2/2/2015 12:09:00 PM,130.999999997439,-0.138346,1.871745,1.733399
2/2/2015 12:10:00 PM,132.000000000698,0.032552,1.774089,1.806641
2/2/2015 12:24:00 PM,146.000000004424,-0.008138,1.888021,1.879883
2/2/2015 12:25:00 PM,146.999999997206,-0.073242,2.132161,2.058919
2/2/2015 12:39:00 PM,161.000000000931,-0.423177,2.498372,2.075195
2/2/2015 12:40:00 PM,162.000000004191,0.008138,2.099609,2.107747
2/2/2015 12:54:00 PM,175.999999997439,-0.187174,2.530924,2.34375
2/2/2015 12:55:00 PM,177.000000000698,0.056966,2.335612,2.392578
2/2/2015 1:09:00 PM,191.000000004424,-0.366211,2.270508,1.904297
2/2/2015 1:10:00 PM,191.999999997206,-0.301107,2.490234,2.189127
2/2/2015 1:24:00 PM,206.000000000931,-0.333659,2.905273,2.571614
2/2/2015 1:25:00 PM,207.000000004191,0.024414,2.766927,2.791341
2/2/2015 1:39:00 PM,220.999999997439,-0.138346,2.986653,2.848307
2/2/2015 1:40:00 PM,222.000000000698,0.048828,2.758789,2.807617
2/2/2015 1:54:00 PM,236.000000004424,-0.252279,2.880859,2.62858
2/2/2015 1:55:00 PM,236.999999997206,-0.261579,3.051757,2.790178
2/2/2015 2:09:00 PM,251.000000000931,-0.268555,2.628581,2.360026
2/2/2015 2:10:00 PM,252.000000004191,-0.170899,2.661133,2.490234
2/2/2015 2:24:00 PM,265.999999997439,-0.366211,3.100586,2.734375
2/2/2015 2:25:00 PM,267.000000000698,-0.195313,3.16569,2.970377
2/2/2015 2:39:00 PM,281.000000004424,-0.16276,3.149413,2.986653
2/2/2015 2:40:00 PM,281.999999997206,-0.146484,3.320312,3.173828
2/2/2015 2:54:00 PM,296.000000000931,-0.146484,3.198242,3.051758
2/2/2015 2:55:00 PM,297.000000004191,-0.211589,3.369141,3.157552
2/2/2015 3:09:00 PM,310.999999997439,-0.113932,2.880859,2.766927
2/2/2015 3:10:00 PM,312.000000000698,-0.195313,3.108724,2.913411
2/2/2015 3:24:00 PM,326.000000004424,-0.260417,3.385417,3.125
2/2/2015 3:25:00 PM,326.999999997206,-0.130208,3.442383,3.312175
2/2/2015 3:39:00 PM,341.000000000931,-0.252279,3.458659,3.20638
2/2/2015 3:40:00 PM,342.000000004191,0.20345,3.352865,3.556315
2/2/2015 3:54:00 PM,355.999999997439,-0.187174,3.458658,3.271484
2/2/2015 3:55:00 PM,357.000000000698,-0.219727,3.678386,3.458659
2/2/2015 4:09:00 PM,371.000000004424,-0.227865,3.24707,3.019205
2/2/2015 4:10:00 PM,371.999999997206,-0.04069,3.222656,3.181966
2/2/2015 4:24:00 PM,386.000000000931,-0.04069,3.409831,3.369141
2/2/2015 4:25:00 PM,387.000000004191,-0.04069,3.564453,3.523763
2/2/2015 4:39:00 PM,400.999999997439,-0.170898,3.808593,3.637695
2/2/2015 4:40:00 PM,402.000000000698,-0.179037,3.914389,3.735352
2/2/2015 4:54:00 PM,416.000000004424,-0.187175,3.735352,3.548177
2/2/2015 4:55:00 PM,416.999999997206,-0.138346,3.881836,3.74349
2/2/2015 5:09:00 PM,431.000000000931,-0.12207,3.320312,3.198242
2/2/2015 5:10:00 PM,432.000000004191,-0.170898,3.605143,3.434245
2/2/2015 5:24:00 PM,445.999999997439,-0.138346,3.637695,3.499349
2/2/2015 5:25:00 PM,447.000000000698,-0.284831,3.995769,3.710938
2/2/2015 5:39:00 PM,461.000000004424,-0.056966,3.678385,3.621419
2/2/2015 5:40:00 PM,461.999999997206,-0.146484,4.003906,3.857422
2/2/2015 5:54:00 PM,476.000000000931,-0.20345,4.101562,3.898112
2/2/2015 5:55:00 PM,477.000000004191,-0.16276,4.1097,3.94694
2/2/2015 6:09:00 PM,490.999999997439,-0.12898,3.5838,3.45482
