---
instrument_id: '392'
data_file_original_name: 'EPA2273A_NOx.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'NO_UNCOR_ppb'
    - 'NO2_UNCOR_ppb'
    - 'NOx_UNCOR_ppb'
dataset_id: '2840'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/328'
experiment_set_link: 'https://icarus.ucdavis.edu/chambers/539/experimentSets/189'
chamber_link: 'https://icarus.ucdavis.edu/chambers/539'
dataset_created_at: '2021-08-26 12:53:43'
dataset_updated_at: '2021-08-26 12:53:43'
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
11/6/2016 9:09:00 AM,-81.0000000020955,0.227865,-0.105795,0.12207
11/6/2016 9:10:00 AM,-79.9999999988358,0.561523,-0.268554,0.292969
11/6/2016 10:09:00 AM,-20.9999999951106,15.511068,0.520833000000001,16.031901
11/6/2016 10:10:00 AM,-20.0000000023283,15.502929,0.667318,16.170247
11/6/2016 10:24:00 AM,-5.99999999860302,13.639323,1.432292,15.071615
11/6/2016 10:25:00 AM,-4.99999999534339,13.680013,1.318359,14.998372
11/6/2016 10:39:00 AM,8.99999999790452,13.883463,1.114909,14.998372
11/6/2016 10:40:00 AM,10.0000000011642,14.086914,0.911458,14.998372
11/6/2016 10:54:00 AM,24.0000000048894,14.176432,0.870768999999999,15.047201
11/6/2016 10:55:00 AM,24.9999999976717,14.095052,0.805663999999998,14.900716
11/6/2016 11:09:00 AM,39.000000001397,14.811198,3.572591,18.383789
11/6/2016 11:10:00 AM,40.0000000046566,14.900716,3.556315,18.457031
11/6/2016 11:24:00 AM,53.9999999979045,15.348307,6.982422,22.330729
11/6/2016 11:25:00 AM,55.0000000011642,15.625,6.909179,22.534179
11/6/2016 11:39:00 AM,69.0000000048894,1.416016,19.303385,20.719401
11/6/2016 11:40:00 AM,69.9999999976717,1.245117,19.344076,20.589193
11/6/2016 11:54:00 AM,84.000000001397,0.472005,18.701172,19.173177
11/6/2016 11:55:00 AM,85.0000000046566,0.415039,19.083659,19.498698
11/6/2016 12:09:00 PM,98.9999999979045,0.480143,18.50586,18.986003
11/6/2016 12:10:00 PM,100.000000001164,0.227865,18.806966,19.034831
11/6/2016 12:24:00 PM,114.000000004889,0.146484,18.684896,18.83138
11/6/2016 12:25:00 PM,114.999999997672,0.048828,18.920899,18.969727
11/6/2016 12:39:00 PM,129.000000001397,0.349935,18.880208,19.230143
11/6/2016 12:40:00 PM,130.000000004657,0.390625,19.059245,19.44987
11/6/2016 12:54:00 PM,143.999999997905,0.236003,19.010416,19.246419
11/6/2016 12:55:00 PM,145.000000001164,0.203451,19.401041,19.604492
11/6/2016 1:09:00 PM,159.000000004889,0.374349,18.440755,18.815104
11/6/2016 1:10:00 PM,159.999999997672,0.130208,18.741862,18.87207
11/6/2016 1:24:00 PM,174.000000001397,0.415039,18.66862,19.083659
11/6/2016 1:25:00 PM,175.000000004657,0.065104,18.758138,18.823242
11/6/2016 1:39:00 PM,188.999999997905,0.488281,18.440755,18.929036
11/6/2016 1:40:00 PM,190.000000001164,0.301107,18.929036,19.230143
11/6/2016 1:54:00 PM,204.000000004889,0.878906,18.400065,19.278971
11/6/2016 1:55:00 PM,204.999999997672,0.569661,18.660482,19.230143
11/6/2016 2:09:00 PM,219.000000001397,0.236003,17.749023,17.985026
11/6/2016 2:10:00 PM,220.000000004657,0.292969,18.098958,18.391927
11/6/2016 2:24:00 PM,233.999999997905,0.309245,18.082682,18.391927
11/6/2016 2:25:00 PM,235.000000001164,0.284831,18.286132,18.570963
11/6/2016 2:39:00 PM,249.000000004889,0.227865,18.25358,18.481445
11/6/2016 2:40:00 PM,249.999999997672,0.382487,18.269856,18.652343
11/6/2016 2:54:00 PM,264.000000001397,0.236003,18.123372,18.359375
11/6/2016 2:55:00 PM,265.000000004657,0.594075,18.131511,18.725586
11/6/2016 3:09:00 PM,278.999999997905,0.252279,17.447916,17.700195
11/6/2016 3:10:00 PM,280.000000001164,0.325521,17.708333,18.033854
11/6/2016 3:24:00 PM,294.000000004889,0.382487,17.757161,18.139648
11/6/2016 3:25:00 PM,294.999999997672,0.406901,18.204753,18.611654
11/6/2016 3:39:00 PM,309.000000001397,0.325521,17.822265,18.147786
11/6/2016 3:40:00 PM,310.000000004657,0.179036,18.212891,18.391927
11/6/2016 3:54:00 PM,323.999999997905,0.415039,17.797851,18.21289
11/6/2016 3:55:00 PM,325.000000001164,0.227865,18.204752,18.432617
11/6/2016 4:09:00 PM,339.000000004889,0.284831,17.057291,17.342122
11/6/2016 4:10:00 PM,339.999999997672,0.138346,17.618815,17.757161
11/6/2016 4:24:00 PM,354.000000001397,0.301107,17.659505,17.960612
11/6/2016 4:25:00 PM,355.000000004657,0.382487,17.838541,18.221028
11/6/2016 4:39:00 PM,368.999999997905,0.447591,17.456055,17.903646
11/6/2016 4:40:00 PM,370.000000001164,0.301107,17.919921,18.221028
11/6/2016 4:54:00 PM,384.000000004889,0.447591,17.724609,18.1722
11/6/2016 4:55:00 PM,384.999999997672,0.065104,18.367513,18.432617
