---
instrument_id: '392'
data_file_original_name: 'EPA2007A_NOx.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'NO_UNCOR_ppb'
    - 'NO2_UNCOR_ppb'
    - 'NOx_UNCOR_ppb'
dataset_id: '2998'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/427'
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 15:48:55'
dataset_updated_at: '2021-08-26 15:48:55'
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
12/4/2014 7:09:00 AM,-200.999999995111,-0.187175,0.585938,0.398763
12/4/2014 7:10:00 AM,-200.000000002328,-0.366211,0.724284,0.358073
12/4/2014 7:24:00 AM,-185.999999998603,-0.170899,0.553386,0.382487
12/4/2014 7:25:00 AM,-184.999999995343,-0.341797,0.756836,0.415039
12/4/2014 8:24:00 AM,-126.000000002095,-0.504557,0.594075,0.089518
12/4/2014 8:25:00 AM,-124.999999998836,0.016276,0.113932,0.130208
12/4/2014 8:39:00 AM,-110.999999995111,-0.162761,0.431316,0.268555
12/4/2014 8:40:00 AM,-110.000000002328,-0.032552,0.268554,0.236002
12/4/2014 8:54:00 AM,-95.999999998603,-0.097656,0.366211,0.268555
12/4/2014 8:55:00 AM,-94.9999999953434,-0.048828,0.382487,0.333659
12/4/2014 9:09:00 AM,-81.0000000020955,-0.366211,0.65918,0.292969
12/4/2014 9:10:00 AM,-79.9999999988358,-0.260417,0.594076,0.333659
12/4/2014 9:24:00 AM,-65.9999999951106,-0.292969,0.634766,0.341797
12/4/2014 9:25:00 AM,-65.0000000023283,0.130208,0.130209,0.260417
12/4/2014 9:39:00 AM,-50.999999998603,-0.341797,0.74056,0.398763
12/4/2014 9:40:00 AM,-49.9999999953434,-0.276693,0.683594,0.406901
12/4/2014 9:54:00 AM,-36.0000000020955,-0.439453,0.854492,0.415039
12/4/2014 9:55:00 AM,-34.9999999988358,-0.447591,0.830078,0.382487
12/4/2014 10:09:00 AM,-20.9999999951106,-0.398763,0.919596,0.520833
12/4/2014 10:10:00 AM,-20.0000000023283,-0.187175,0.561524,0.374349
12/4/2014 10:24:00 AM,-5.99999999860302,-0.553386,0.984701,0.431315
12/4/2014 10:25:00 AM,-4.99999999534339,-0.252279,0.651042,0.398763
12/4/2014 10:39:00 AM,8.99999999790452,-0.056966,0.520833,0.463867
12/4/2014 10:40:00 AM,10.0000000011642,-0.203451,0.732422,0.528971
12/4/2014 10:54:00 AM,24.0000000048894,-0.431315,0.976562,0.545247
12/4/2014 10:55:00 AM,24.9999999976717,-0.105794,0.683593,0.577799
12/4/2014 11:09:00 AM,39.000000001397,-0.073242,0.602213,0.528971
12/4/2014 11:10:00 AM,40.0000000046566,-0.374349,0.9847,0.610351
12/4/2014 11:24:00 AM,53.9999999979045,-0.244141,0.870768,0.626627
12/4/2014 11:25:00 AM,55.0000000011642,-0.472005,0.976562,0.504557
12/4/2014 11:39:00 AM,69.0000000048894,-0.284831,0.813802,0.528971
12/4/2014 11:40:00 AM,69.9999999976717,-0.268555,0.870768,0.602213
12/4/2014 11:54:00 AM,84.000000001397,-0.097656,0.716145,0.618489
12/4/2014 11:55:00 AM,85.0000000046566,-0.301107,1.009114,0.708007
12/4/2014 12:09:00 PM,98.9999999979045,-0.195313,1.049805,0.854492
12/4/2014 12:10:00 PM,100.000000001164,-0.089518,0.813802,0.724284
12/4/2014 12:24:00 PM,114.000000004889,-0.292969,1.139323,0.846354
12/4/2014 12:25:00 PM,114.999999997672,-0.016276,0.691731,0.675455
12/4/2014 12:39:00 PM,129.000000001397,-0.317383,1.057943,0.74056
12/4/2014 12:40:00 PM,130.000000004657,-0.382487,1.188151,0.805664
12/4/2014 12:54:00 PM,143.999999997905,-0.341797,1.228841,0.887044
12/4/2014 12:55:00 PM,145.000000001164,-0.154622,1.131184,0.976562
12/4/2014 1:09:00 PM,159.000000004889,-0.374349,1.302083,0.927734
12/4/2014 1:10:00 PM,159.999999997672,-0.463867,1.399739,0.935872
12/4/2014 1:24:00 PM,174.000000001397,-0.138346,1.033528,0.895182
12/4/2014 1:25:00 PM,175.000000004657,-0.423177,1.334635,0.911458
12/4/2014 1:39:00 PM,188.999999997905,-0.236003,1.285807,1.049804
12/4/2014 1:40:00 PM,190.000000001164,-0.309245,1.375325,1.06608
12/4/2014 1:54:00 PM,204.000000004889,0.016276,1.074219,1.090495
12/4/2014 1:55:00 PM,204.999999997672,-0.349935,1.472982,1.123047
12/4/2014 2:09:00 PM,219.000000001397,-0.431315,1.497396,1.066081
12/4/2014 2:10:00 PM,220.000000004657,0.016276,1.188151,1.204427
12/4/2014 2:24:00 PM,233.999999997905,-0.675456,1.733398,1.057942
12/4/2014 2:25:00 PM,235.000000001164,-0.227865,1.342774,1.114909
12/4/2014 2:39:00 PM,249.000000004889,-0.317383,1.660156,1.342773
12/4/2014 2:40:00 PM,249.999999997672,-0.349935,1.652018,1.302083
12/4/2014 2:54:00 PM,264.000000001397,-0.146484,1.391601,1.245117
12/4/2014 2:55:00 PM,265.000000004657,-0.309245,1.595052,1.285807
12/4/2014 3:09:00 PM,278.999999997905,-0.113932,1.367187,1.253255
12/4/2014 3:10:00 PM,280.000000001164,-0.195312,1.432291,1.236979
12/4/2014 3:24:00 PM,294.000000004889,-0.179037,1.570639,1.391602
12/4/2014 3:25:00 PM,294.999999997672,-0.138346,1.416015,1.277669
12/4/2014 3:39:00 PM,309.000000001397,-0.439453,1.928711,1.489258
12/4/2014 3:40:00 PM,310.000000004657,-0.455729,1.920573,1.464844
12/4/2014 3:54:00 PM,323.999999997905,-0.284831,1.782227,1.497396
12/4/2014 3:55:00 PM,325.000000001164,-0.260417,1.741537,1.48112
12/4/2014 4:09:00 PM,339.000000004889,-0.276693,1.920573,1.64388
12/4/2014 4:10:00 PM,339.999999997672,-0.349935,1.896159,1.546224
12/4/2014 4:24:00 PM,354.000000001397,-0.154622,1.863606,1.708984
12/4/2014 4:25:00 PM,355.000000004657,-0.04069,1.822917,1.782227
12/4/2014 4:39:00 PM,368.999999997905,-0.227865,1.928711,1.700846
12/4/2014 4:40:00 PM,370.000000001164,-0.170899,2.075196,1.904297
12/4/2014 4:54:00 PM,384.000000004889,-0.260417,2.254232,1.993815
12/4/2014 4:55:00 PM,384.999999997672,-0.016276,1.993815,1.977539
12/4/2014 5:09:00 PM,399.000000001397,-0.032552,1.888021,1.855469
12/4/2014 5:10:00 PM,400.000000004657,-0.089518,2.018229,1.928711
12/4/2014 5:24:00 PM,413.999999997905,-0.113932,2.132161,2.018229
12/4/2014 5:25:00 PM,415.000000001164,-0.016276,2.091471,2.075195
12/4/2014 5:39:00 PM,429.000000004889,-0.292969,2.587891,2.294922
12/4/2014 5:40:00 PM,429.999999997672,-0.154622,2.433268,2.278646
12/4/2014 5:54:00 PM,444.000000001397,-0.024414,2.498372,2.473958
12/4/2014 5:55:00 PM,445.000000004657,0.138346,2.441406,2.579752
12/4/2014 6:09:00 PM,458.999999997905,-0.024414,2.677408,2.652994
12/4/2014 6:10:00 PM,460.000000001164,0.260417,2.368163,2.62858
12/4/2014 6:24:00 PM,474.000000004889,-0.211589,2.92155,2.709961
12/4/2014 6:25:00 PM,474.999999997672,-0.12207,3.019205,2.897135
12/4/2014 6:39:00 PM,489.000000001397,-0.04069,3.100586,3.059896
12/4/2014 6:40:00 PM,490.000000004657,-0.089518,3.173828,3.08431
12/4/2014 6:54:00 PM,503.999999997905,-0.284831,3.719076,3.434245
12/4/2014 6:55:00 PM,505.000000001164,-0.097656,3.556315,3.458659
12/4/2014 7:09:00 PM,519.000000004889,-0.016276,2.758789,2.742513
12/4/2014 7:10:00 PM,519.999999997672,-0.179037,2.229818,2.050781
12/4/2014 7:24:00 PM,534.000000001397,-0.219727,1.684571,1.464844
12/4/2014 7:25:00 PM,535.000000004657,-0.211589,1.546224,1.334635
