---
instrument_id: '392'
data_file_original_name: 'EPA2291A_NOx.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'NO_UNCOR_ppb'
    - 'NO2_UNCOR_ppb'
    - 'NOx_UNCOR_ppb'
dataset_id: '2479'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/371'
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 16:14:15'
dataset_updated_at: '2021-08-24 16:14:15'
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
12/20/2016 10:24:00 AM,-46.0000000032596,16.894531,7.999675,24.894206
12/20/2016 10:25:00 AM,-45,16.894531,8.129883,25.024414
12/20/2016 10:39:00 AM,-31.0000000067521,16.137695,8.260091,24.397786
12/20/2016 10:40:00 AM,-30.0000000034925,15.738932,8.520508,24.25944
12/20/2016 10:54:00 AM,-15.9999999997672,15.983073,7.877604,23.860677
12/20/2016 10:55:00 AM,-15.0000000069849,15.690104,8.162435,23.852539
12/20/2016 11:09:00 AM,-1.00000000325963,15.502929,7.828777,23.331706
12/20/2016 11:10:00 AM,0,15.844726,7.413738,23.258464
12/20/2016 11:24:00 AM,13.9999999932479,1.497396,19.881185,21.378581
12/20/2016 11:25:00 AM,14.9999999965075,0.838216,20.125326,20.963542
12/20/2016 11:39:00 AM,29.0000000002328,0.585938,19.702148,20.288086
12/20/2016 11:40:00 AM,29.9999999930151,0.561523,19.856771,20.418294
12/20/2016 11:54:00 AM,43.9999999967404,0.870768,19.026693,19.897461
12/20/2016 11:55:00 AM,45,0.463867,19.458008,19.921875
12/20/2016 12:09:00 PM,58.9999999932479,0.708008,17.407226,18.115234
12/20/2016 12:10:00 PM,59.9999999965075,0.349935,17.602539,17.952474
12/20/2016 12:24:00 PM,74.0000000002328,0.113932,17.537435,17.651367
12/20/2016 12:25:00 PM,74.9999999930151,0.20345,17.72461,17.92806
12/20/2016 12:39:00 PM,88.9999999967404,0.008138,17.513021,17.521159
12/20/2016 12:40:00 PM,90,0.227865,17.561848,17.789713
12/20/2016 12:54:00 PM,103.999999993248,0.447591,16.951498,17.399089
12/20/2016 12:55:00 PM,104.999999996508,-0.048828,17.635091,17.586263
12/20/2016 1:09:00 PM,119.000000000233,0,17.456055,17.456055
12/20/2016 1:10:00 PM,119.999999993015,0.04069,17.944336,17.985026
12/20/2016 1:24:00 PM,133.99999999674,0.382487,17.797851,18.180338
12/20/2016 1:25:00 PM,135,0.406901,18.13151,18.538411
12/20/2016 1:39:00 PM,148.999999993248,0.349935,18.107096,18.457031
12/20/2016 1:40:00 PM,149.999999996508,0.390625,18.58724,18.977865
12/20/2016 1:54:00 PM,164.000000000233,0.333659,17.887369,18.221028
12/20/2016 1:55:00 PM,164.999999993015,0.366211,18.261719,18.62793
12/20/2016 2:09:00 PM,178.99999999674,0.341797,17.073568,17.415365
12/20/2016 2:10:00 PM,180,0.309245,17.586263,17.895508
12/20/2016 2:24:00 PM,193.999999993248,0.382487,17.830403,18.21289
12/20/2016 2:25:00 PM,194.999999996508,0.569661,17.911784,18.481445
12/20/2016 2:39:00 PM,209.000000000233,0.69987,17.610677,18.310547
12/20/2016 2:40:00 PM,209.999999993015,0.496419,18.05013,18.546549
12/20/2016 2:54:00 PM,223.99999999674,0.349935,17.675781,18.025716
12/20/2016 2:55:00 PM,225,0.390625,17.797851,18.188476
12/20/2016 3:09:00 PM,238.999999993248,0.252279,16.878255,17.130534
12/20/2016 3:10:00 PM,239.999999996508,0.195313,17.342122,17.537435
12/20/2016 3:24:00 PM,254.000000000233,0.382487,17.097982,17.480469
12/20/2016 3:25:00 PM,254.999999993015,0.406901,17.439779,17.84668
12/20/2016 3:39:00 PM,268.99999999674,0.170898,17.456055,17.626953
12/20/2016 3:40:00 PM,270,0.113932,17.92806,18.041992
12/20/2016 3:54:00 PM,283.999999993248,0.113932,17.277019,17.390951
12/20/2016 3:55:00 PM,284.999999996508,0.349935,17.26888,17.618815
12/20/2016 4:09:00 PM,299.000000000233,0.219727,16.495768,16.715495
12/20/2016 4:10:00 PM,299.999999993015,0.284831,17.138672,17.423503
12/20/2016 4:24:00 PM,313.99999999674,0.349935,16.837565,17.1875
12/20/2016 4:25:00 PM,315,0.431315,17.114258,17.545573
12/20/2016 4:39:00 PM,328.999999993248,0.480143,16.544597,17.02474
12/20/2016 4:40:00 PM,329.999999996508,0.065104,16.910807,16.975911
12/20/2016 4:54:00 PM,344.000000000233,0.20345,16.316732,16.520182
12/20/2016 4:55:00 PM,344.999999993015,0.276693,16.300455,16.577148
