---
instrument_id: '392'
data_file_original_name: 'EPA1416B_NOx.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'NO_UNCOR_ppb'
    - 'NO2_UNCOR_ppb'
    - 'NOx_UNCOR_ppb'
dataset_id: '3218'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/506'
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 16:58:27'
dataset_updated_at: '2021-08-26 16:58:27'
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
4/20/2011 8:14:00 AM,-236.000000004424,-0.0256172224129871,0.0124226759452146,-0.0171477542635334
4/20/2011 8:15:00 AM,-235.000000001164,-0.0115241794655464,-0.0838820291278313,-0.0993594163891386
4/20/2011 8:29:00 AM,-220.999999997439,0.0190123504435758,-0.00793468995626672,0.00712445269154822
4/20/2011 8:30:00 AM,-220.000000004657,-0.0506725900015489,-0.0337722560645082,-0.088398053861818
4/20/2011 8:44:00 AM,-206.000000000931,-0.0240509011460269,-0.0556959432329498,-0.0837000521747376
4/20/2011 8:45:00 AM,-204.999999997672,-0.0357954243068277,-0.0564791038664299,-0.0962277359690184
4/20/2011 9:14:00 AM,-175.999999997439,0.0620756020331785,0.108728343132061,0.166850737369479
4/20/2011 9:15:00 AM,-175.000000004657,0.124713058890782,-0.0948433916551519,0.0259164594398697
4/20/2011 10:44:00 AM,-85.9999999974389,-0.053804270421669,0.568332029784051,0.510574551566621
4/20/2011 10:45:00 AM,-85.0000000046566,-0.0154390205191466,0.522137097774328,0.50274486945942
4/20/2011 11:14:00 AM,-56.0000000044238,0.0150975093899756,0.386682057937679,0.397826359531893
4/20/2011 11:15:00 AM,-55.0000000011642,0.0886963287749001,0.324045563193875,0.408788684173014
4/20/2011 11:29:00 AM,-40.9999999974389,0.0190123504435758,0.216777571365908,0.231836714013723
4/20/2011 11:30:00 AM,-40.0000000046566,-0.0287489028331073,0.326394082980515,0.293691972351647
4/20/2011 11:44:00 AM,-26.0000000009313,-0.0522379491547088,0.328742602767155,0.272551445816685
4/20/2011 11:45:00 AM,-24.9999999976717,-0.040493425993908,0.347533647401676,0.303087013612007
4/20/2011 12:14:00 PM,4.00000000256114,0.0432845573986574,0.335789124240875,0.375120473843772
4/20/2011 12:15:00 PM,4.99999999534339,-0.00291133672486578,0.309169359612954,0.302304815092327
4/20/2011 12:29:00 PM,18.9999999990687,0.0182291898100957,0.327960404247475,0.34223638626181
4/20/2011 12:30:00 PM,20.0000000023283,-0.00917469756510605,0.310734718766114,0.297606813405247
4/20/2011 12:44:00 PM,33.9999999955762,-0.0342300651536677,0.421133428900401,0.382950155950972
4/20/2011 12:45:00 PM,34.9999999988358,-0.0671141527356296,0.482204564491045,0.411137203959654
4/20/2011 1:14:00 PM,63.9999999990687,0.0323222327575364,0.493166889132166,0.521535914093941
4/20/2011 1:15:00 PM,65.0000000023283,0.0174460291766156,0.500996571239366,0.514489392620221
4/20/2011 1:29:00 PM,78.9999999955762,-0.0264003830464673,0.537013301355248,0.50665971051302
4/20/2011 1:30:00 PM,79.9999999988358,-0.0295320634665874,0.535446980088288,0.50196170882594
4/20/2011 1:44:00 PM,94.0000000025611,-0.0318805832532274,0.529965817767728,0.494132026718739
4/20/2011 1:45:00 PM,94.9999999953434,0.00256982559569469,0.569115190417531,0.567731808217464
4/20/2011 2:14:00 PM,123.999999995576,-0.0389280668407481,0.598868559693173,0.555987285056664
4/20/2011 2:15:00 PM,124.999999998836,0.0205777095967357,0.56285182957729,0.579476331378265
4/20/2011 2:29:00 PM,139.000000002561,-0.0397102653604279,0.614526961793773,0.570863488637585
4/20/2011 2:30:00 PM,139.999999995343,0.00648466664929495,0.601999277999492,0.604530736853026
4/20/2011 2:44:00 PM,153.999999999069,-0.0350132257871479,0.692041584346098,0.65307515076319
4/20/2011 2:45:00 PM,155.000000002328,-0.0162212190388264,0.614526961793773,0.594352534959186
4/20/2011 3:14:00 PM,184.000000002561,0.0417182361316972,0.659939695283816,0.697704723619753
4/20/2011 3:15:00 PM,184.999999995343,-0.00604301714498591,0.7155306306677,0.705534405726953
4/20/2011 3:29:00 PM,198.999999999069,-0.0256172224129871,0.71709598982086,0.687525559612112
4/20/2011 3:30:00 PM,200.000000002328,-0.0130895386187063,0.737453355722341,0.720410609307874
4/20/2011 3:44:00 PM,213.999999995576,-0.163419819922476,0.804788814267025,0.637415786548789
4/20/2011 3:45:00 PM,214.999999998836,0.0777349662475795,0.742151357409422,0.81593311586124
4/20/2011 4:14:00 PM,243.999999999069,0.0229271914971761,0.87055795154475,0.889531935246165
4/20/2011 4:15:00 PM,245.000000002328,0.0432845573986574,0.766422602250703,0.805753951853599
4/20/2011 4:29:00 PM,258.999999995576,-0.0882546792705911,0.820448178481426,0.728240291415075
4/20/2011 4:30:00 PM,259.999999998836,-0.0350132257871479,0.813401657007706,0.774435223424797
4/20/2011 4:44:00 PM,274.000000002561,-0.038144906207268,0.896396479766791,0.854298365763763
4/20/2011 4:45:00 PM,274.999999995343,0.0706884447738591,0.894830158499831,0.96156539547793
4/20/2011 5:14:00 PM,303.999999995576,-0.00995785819858615,0.884651956605991,0.870740890611644
4/20/2011 5:15:00 PM,304.999999998836,0.0518964380255377,0.87682227449879,0.924765504728567
4/20/2011 5:29:00 PM,319.000000002561,0.0260588719172962,0.962165617044515,0.984271281166051
4/20/2011 5:30:00 PM,319.999999995343,0.0221440308636959,0.967646779365076,0.985837602433011
4/20/2011 5:44:00 PM,333.999999999069,0.0213608702302158,1.00131498969432,1.01872265212877
4/20/2011 5:45:00 PM,335.000000002328,-0.0882546792705911,1.02323771474896,0.931029827682608
4/20/2011 6:14:00 PM,364.000000002561,0.0471993984522577,1.07334748781228,1.11659367846878
4/20/2011 6:15:00 PM,364.999999995343,0.0135311881230153,1.11171369982861,1.12129168015586
4/20/2011 6:29:00 PM,378.999999999069,-0.0232687026263471,1.13363642488325,1.10641451446114
4/20/2011 6:30:00 PM,380.000000002328,0.105138853622781,1.09370485371376,1.19489049954078
4/20/2011 6:44:00 PM,393.999999995576,0.0299737129708964,1.20566988511501,1.23169039029015
4/20/2011 6:45:00 PM,394.999999998836,-0.0162212190388264,1.23229061185673,1.21211618502215
4/20/2011 7:14:00 PM,423.999999999069,0.112968535729982,1.3982802573749,1.50729558530912
4/20/2011 7:15:00 PM,425.000000002328,0.0432845573986574,1.40376045758166,1.44309180718456
4/20/2011 7:29:00 PM,438.999999995576,0.0526795986590178,1.42959898580371,1.47832537666696
4/20/2011 7:30:00 PM,439.999999998836,0.102007173202661,1.56661842267971,1.66467238808661
4/20/2011 7:44:00 PM,454.000000002561,0.0119648668560551,1.72869418925809,1.73670584831838
4/20/2011 7:45:00 PM,454.999999995343,-0.00447669587802569,1.75766343578645,1.74923353211266
4/20/2011 8:14:00 PM,483.999999995576,0.0746032858274594,1.90016403498302,1.97081411301471
4/20/2011 8:15:00 PM,484.999999998836,-0.0616339525288695,2.00743106469718,1.94184390437255
4/20/2011 8:29:00 PM,499.000000002561,-0.0350132257871479,2.20473943864416,2.16577300506125
4/20/2011 8:30:00 PM,499.999999995343,0.0323222327575364,2.13270694052619,2.16107596548797
4/20/2011 8:44:00 PM,513.999999999069,0.0205777095967357,2.24075616876004,2.25738067056101
4/20/2011 8:45:00 PM,515.000000002328,0.038586555711577,2.29086594182336,2.32549928973918
4/20/2011 9:14:00 PM,544.000000002561,0.0221440308636959,2.43806454270701,2.45625536577495
4/20/2011 9:15:00 PM,544.999999995343,0.0362370738111367,2.51166432420573,2.54394819022111
