---
instrument_id: '392'
data_file_original_name: 'EPA2005A_NOx.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'NO_UNCOR_ppb'
    - 'NO2_UNCOR_ppb'
    - 'NOx_UNCOR_ppb'
dataset_id: '2972'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/423'
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 15:44:25'
dataset_updated_at: '2021-08-26 15:44:25'
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
12/2/2014 8:39:00 AM,-180,-0.1277668875,-2.3814905125,-2.5092574
12/2/2014 8:40:00 AM,-179.000000007218,-0.0382488875,-2.4140415125,-2.4522904
12/2/2014 9:54:00 AM,-105.000000006985,-0.1765948875,-2.5686645125,-2.7452594
12/2/2014 9:55:00 AM,-104.000000003725,0.2709961125,-2.9023235125,-2.6313274
12/2/2014 10:09:00 AM,-90,18.2316081125,-0.135396512499999,18.0962116
12/2/2014 10:10:00 AM,-89.0000000072177,22.0808921125,-0.135396512500003,21.9454956
12/2/2014 10:24:00 AM,-75.0000000034925,25.0349931125,-0.4120885125,24.6229046
12/2/2014 10:25:00 AM,-74.0000000002328,24.2700191125,-0.062153512500001,24.2078656
12/2/2014 10:39:00 AM,-60.0000000069849,20.5428061125,0.361022487499997,20.9038286
12/2/2014 10:40:00 AM,-59.0000000037253,20.4370121125,0.238952487499996,20.6759646
12/2/2014 10:54:00 AM,-45,20.8439131125,0.4424024875,21.2863156
12/2/2014 10:55:00 AM,-44.0000000072177,21.0555011125,0.100606487500001,21.1561076
12/2/2014 11:09:00 AM,-30.0000000034925,20.2335611125,0.401713487499999,20.6352746
12/2/2014 11:10:00 AM,-29.0000000002328,20.2172851125,0.483093487499999,20.7003786
12/2/2014 11:24:00 AM,-15.0000000069849,19.8429361125,0.6621304875,20.5050666
12/2/2014 11:25:00 AM,-14.0000000037253,19.7696941125,0.971374487499999,20.7410686
12/2/2014 11:39:00 AM,0,19.8185221125,0.9957884875,20.8143106
12/2/2014 11:40:00 AM,0.99999999278225,19.9161781125,0.9957884875,20.9119666
12/2/2014 11:54:00 AM,14.9999999965075,1.0847981125,14.6351114875,15.7199096
12/2/2014 11:55:00 AM,15.9999999997672,1.0034181125,14.6351114875,15.6385296
12/2/2014 12:09:00 PM,29.9999999930151,0.3767901125,12.3890184875,12.7658086
12/2/2014 12:10:00 PM,30.9999999962747,0.5151371125,12.2262574875,12.7413946
12/2/2014 12:24:00 PM,45,0.1896161125,11.3147984875,11.5044146
12/2/2014 12:25:00 PM,45.9999999927823,0.2872721125,11.2252804875,11.5125526
12/2/2014 12:54:00 PM,74.9999999930151,0.0756841125,11.5752144875,11.6508986
12/2/2014 12:55:00 PM,75.9999999962747,0.3198241125,11.5752154875,11.8950396
12/2/2014 1:09:00 PM,90,0.3767901125,11.1439004875,11.5206906
12/2/2014 1:10:00 PM,90.9999999927823,0.1000981125,12.2750854875,12.3751836
12/2/2014 1:24:00 PM,104.999999996508,0.0105791125,12.9830934875,12.9936726
12/2/2014 1:25:00 PM,105.999999999767,0.5721031125,12.5273634875,13.0994666
12/2/2014 1:39:00 PM,119.999999993015,0.7023111125,14.6595254875,15.3618366
12/2/2014 1:40:00 PM,120.999999996275,0.3605141125,15.8476764875,16.2081906
12/2/2014 1:54:00 PM,135,0.4093421125,16.9869994875,17.3963416
12/2/2014 1:55:00 PM,135.999999992782,0.0838221125,17.3938994875,17.4777216
12/2/2014 2:09:00 PM,149.999999996508,0.5395511125,15.3349804875,15.8745316
12/2/2014 2:10:00 PM,150.999999999767,0.2709961125,15.6605014875,15.9314976
12/2/2014 2:24:00 PM,164.999999993015,0.3116861125,16.2138874875,16.5255736
12/2/2014 2:25:00 PM,165.999999996275,0.4337561125,16.4498904875,16.8836466
12/2/2014 2:39:00 PM,180,0.4907231125,16.2545774875,16.7453006
12/2/2014 2:40:00 PM,180.999999992782,0.3279621125,16.8486534875,17.1766156
12/2/2014 2:54:00 PM,194.999999996508,0.4744471125,16.1406454875,16.6150926
12/2/2014 2:55:00 PM,195.999999999767,0.4500331125,16.6452024875,17.0952356
12/2/2014 3:09:00 PM,209.999999993015,0.4256181125,15.3756714875,15.8012896
12/2/2014 3:10:00 PM,210.999999996275,0.2709961125,16.0836794875,16.3546756
12/2/2014 3:24:00 PM,225,0.3279621125,17.0521034875,17.3800656
12/2/2014 3:25:00 PM,225.999999992782,0.1977541125,17.7682494875,17.9660036
12/2/2014 3:39:00 PM,239.999999996508,0.4500331125,17.9635614875,18.4135946
12/2/2014 3:40:00 PM,240.999999999767,0.1326501125,18.9401244875,19.0727746
12/2/2014 3:54:00 PM,254.999999993015,0.3279621125,19.0540564875,19.3820186
12/2/2014 3:55:00 PM,255.999999996275,0.6534831125,19.0540564875,19.7075396
12/2/2014 4:09:00 PM,270,0.3198241125,17.5485224875,17.8683466
12/2/2014 4:10:00 PM,270.999999992782,0.3198241125,18.1425984875,18.4624226
12/2/2014 4:24:00 PM,284.999999996508,0.5395511125,19.7864784875,20.3260296
12/2/2014 4:25:00 PM,285.999999999767,0.2954101125,20.3968304875,20.6922406
12/2/2014 4:39:00 PM,299.999999993015,0.6046551125,21.4547724875,22.0594276
12/2/2014 4:40:00 PM,300.999999996275,0.5802411125,22.3825074875,22.9627486
12/2/2014 4:54:00 PM,315,0.6941731125,22.8138224875,23.5079956
12/2/2014 4:55:00 PM,315.999999992782,0.5476891125,24.0426634875,24.5903526
12/2/2014 5:09:00 PM,329.999999996508,0.6372071125,22.7324424875,23.3696496
12/2/2014 5:10:00 PM,330.999999999767,0.6372071125,23.2614134875,23.8986206
12/2/2014 5:24:00 PM,344.999999993015,0.4418951125,25.1494334875,25.5913286
12/2/2014 5:25:00 PM,345.999999996275,0.3686521125,25.7353724875,26.1040246
12/2/2014 5:39:00 PM,360,0.4500331125,26.9153844875,27.3654176
12/2/2014 5:40:00 PM,360.999999992782,0.6372071125,27.8268434875,28.4640506
12/2/2014 5:54:00 PM,374.999999996508,0.6127931125,27.7698774875,28.3826706
12/2/2014 5:55:00 PM,375.999999999767,0.6941731125,28.8847854875,29.5789586
12/2/2014 6:09:00 PM,389.999999993015,0.7755531125,27.1269734875,27.9025266
12/2/2014 6:10:00 PM,390.999999996275,0.8162431125,28.0140184875,28.8302616
12/2/2014 6:24:00 PM,405,0.8569341125,30.3008004875,31.1577346
12/2/2014 6:25:00 PM,405.999999992782,0.8081051125,31.3017784875,32.1098836
12/2/2014 6:39:00 PM,419.999999996508,0.8976241125,32.1318554875,33.0294796
12/2/2014 6:40:00 PM,420.999999999767,0.9627281125,33.1816604875,34.1443886
12/2/2014 6:54:00 PM,434.999999993015,0.4744471125,22.4638864875,22.9383336
12/2/2014 6:55:00 PM,435.999999996275,0.3442381125,23.9287314875,24.2729696
12/2/2014 7:09:00 PM,450,0.2954101125,12.5029504875,12.7983606
12/2/2014 7:10:00 PM,450.999999992782,0.2709961125,12.7389524875,13.0099486
