---
instrument_id: '392'
data_file_original_name: 'EPA1405B_NOx.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'NO_UNCOR_ppb'
    - 'NO2_UNCOR_ppb'
    - 'NOx_UNCOR_ppb'
dataset_id: '3099'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/470'
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 16:27:08'
dataset_updated_at: '2021-08-26 16:27:08'
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
4/9/2011 10:14:00 AM,-240.999999999767,-0.166772806151651,0.365647501365584,0.198874695213933
4/9/2011 10:15:00 AM,-239.999999996508,-0.127624395615648,0.361732660311983,0.234108264696335
4/9/2011 1:14:00 PM,-60.9999999997672,-0.15033028130377,0.241154786170055,0.0908245048662858
4/9/2011 1:15:00 PM,-59.9999999965075,-0.162857965098051,0.258380471651417,0.0955225065533662
4/9/2011 1:29:00 PM,-46.0000000032596,-0.131539236669249,0.177734168678971,0.0461949320097228
4/9/2011 1:30:00 PM,-45,-0.15502828299085,0.249767628910736,0.0947393459198861
4/9/2011 1:44:00 PM,-30.9999999962747,-0.180082688465611,0.285783396912818,0.105700708447207
4/9/2011 1:45:00 PM,-30.0000000034925,-0.147198600883649,0.213750898794854,0.0665522979112042
4/9/2011 2:14:00 PM,-1.00000000325963,5.84487212473217,0.257597311017937,6.10246943575011
4/9/2011 2:15:00 PM,0,5.84643844599913,0.286567519660098,6.13300596565923
4/9/2011 2:29:00 PM,14.0000000037253,5.60293514004244,0.46273536707211,6.06567050711455
4/9/2011 2:30:00 PM,14.9999999965075,5.61311334193628,0.396183069160905,6.00929641109718
4/9/2011 2:44:00 PM,29.0000000002328,5.29287857406074,0.706239635142605,5.99911820920334
4/9/2011 2:45:00 PM,30.0000000034925,5.21693027277537,0.687447628394284,5.90437790116966
4/9/2011 3:14:00 PM,59.0000000037253,2.85392682498498,2.78893988622694,5.64286671121192
4/9/2011 3:15:00 PM,59.9999999965075,2.82025861465574,2.93770384626375,5.75796246091949
4/9/2011 3:29:00 PM,74.0000000002328,1.34905769068033,4.10354716805834,5.45260485873867
4/9/2011 3:30:00 PM,75.0000000034925,1.23082929843884,4.33608911148772,5.56691840992656
4/9/2011 3:44:00 PM,88.9999999967404,0.584878600367197,4.68137924695182,5.26625784731902
4/9/2011 3:45:00 PM,90,0.525372823929714,4.73931870212234,5.26469152605206
4/9/2011 4:29:00 PM,133.99999999674,0,5.02510306114896,5.02510306114896
4/9/2011 4:30:00 PM,135,0.16442332425121,4.88651730300599,5.0509406272572
4/9/2011 4:44:00 PM,149.000000003725,0.028970208642162,5.18091354265949,5.20988375130165
4/9/2011 4:45:00 PM,149.999999996508,-0.0117445231608007,5.19187586730061,5.18013134413981
4/9/2011 5:14:00 PM,178.99999999674,0.00782968210720049,5.3453378290245,5.3531675111317
4/9/2011 5:15:00 PM,180,0.018007884001041,5.35864867345226,5.3766565574533
4/9/2011 5:29:00 PM,194.000000003725,0.0172256854813612,5.52385419622315,5.54107988170451
4/9/2011 5:30:00 PM,194.999999996508,-0.018007884001041,5.55595608528543,5.53794820128439
4/9/2011 5:44:00 PM,209.000000000233,0.0281870480086818,5.66243995436612,5.6906270023748
4/9/2011 5:45:00 PM,210.000000003492,0.0321018890622821,5.70002300574896,5.73212489481125
4/9/2011 6:14:00 PM,239.000000003725,-0.0602889370709639,6.01790925383786,5.9576203167669
4/9/2011 6:15:00 PM,239.999999996508,-0.0532424155972436,5.88010665632838,5.82686424073113
4/9/2011 6:29:00 PM,254.000000000233,-0.0618542962241238,5.80494055356269,5.74308625733857
4/9/2011 6:30:00 PM,255.000000003492,0.015659364214401,5.63660238825788,5.65226175247228
4/9/2011 6:44:00 PM,268.99999999674,-0.0524592549637634,5.50741263348907,5.45495337852531
4/9/2011 6:45:00 PM,270,0.0274038873752017,5.44164349621135,5.46904738358655
4/9/2011 7:14:00 PM,299.000000000233,0.0963056671868463,5.17699870160589,5.27330436879274
4/9/2011 7:15:00 PM,300.000000003492,-0.0148762035809209,5.02666842030212,5.0117922167212
4/9/2011 7:29:00 PM,313.99999999674,-0.0101782018938405,4.97420916533836,4.96403096344452
4/9/2011 7:30:00 PM,315,0.0407147318029627,4.95385179943688,4.99456653123984
4/9/2011 9:44:00 PM,448.99999999674,-0.165989645518171,0.833080870124773,0.667091224606603
4/9/2011 9:45:00 PM,450,-0.15815996341097,0.803327500849131,0.645167537438161
