---
instrument_id: '392'
data_file_original_name: 'EPA2264A_NOx.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'NO_UNCOR_ppb'
    - 'NO2_UNCOR_ppb'
    - 'NOx_UNCOR_ppb'
dataset_id: '2363'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/271'
experiment_set_link: 'https://icarus.ucdavis.edu/chambers/539/experimentSets/190'
chamber_link: 'https://icarus.ucdavis.edu/chambers/539'
dataset_created_at: '2021-08-24 15:06:28'
dataset_updated_at: '2021-08-24 15:06:28'
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
10/13/2016 10:39:00 AM,-53.9999999979045,0.577799,-0.138346,0.439453
10/13/2016 10:40:00 AM,-52.9999999946449,0.504557,-0.00813800000000003,0.496419
10/13/2016 10:54:00 AM,-38.9999999909196,0.341797,0.309244,0.651041
10/13/2016 10:55:00 AM,-37.9999999981374,0.341797,0.154622,0.496419
10/13/2016 11:09:00 AM,-23.9999999944121,7.11263,5.053711,12.166341
10/13/2016 11:10:00 AM,-22.9999999911524,6.811523,3.515625,10.327148
10/13/2016 11:24:00 AM,-8.99999999790452,15.804036,7.194011,22.998047
10/13/2016 11:25:00 AM,-7.9999999946449,16.040039,7.202149,23.242188
10/13/2016 11:39:00 AM,6.0000000090804,14.168294,8.585612,22.753906
10/13/2016 11:40:00 AM,7.00000000186265,14.10319,9.041341,23.144531
10/13/2016 11:54:00 AM,21.0000000055879,4.329427,17.92806,22.257487
10/13/2016 11:55:00 AM,22.0000000088476,3.710937,18.424479,22.135416
10/13/2016 12:09:00 PM,36.0000000020955,0.82194,20.198568,21.020508
10/13/2016 12:10:00 PM,37.0000000053551,1.302083,20.206706,21.508789
10/13/2016 12:24:00 PM,51.0000000090804,0.585937,20.157878,20.743815
10/13/2016 12:25:00 PM,52.0000000018626,0.561523,20.255534,20.817057
10/13/2016 12:39:00 PM,66.0000000055879,0.244141,20.100911,20.345052
10/13/2016 12:40:00 PM,67.0000000088476,0.569661,20.100912,20.670573
10/13/2016 12:54:00 PM,81.0000000020955,0.252279,20.125325,20.377604
10/13/2016 12:55:00 PM,82.0000000053551,0.390625,20.206706,20.597331
10/13/2016 1:09:00 PM,96.0000000090804,0.349935,19.588216,19.938151
10/13/2016 1:10:00 PM,97.0000000018626,0.325521,19.832356,20.157877
10/13/2016 1:24:00 PM,111.000000005588,0.366211,19.759114,20.125325
10/13/2016 1:25:00 PM,112.000000008848,0.227864,20.141602,20.369466
10/13/2016 1:39:00 PM,126.000000002095,0.317383,19.954427,20.27181
10/13/2016 1:40:00 PM,127.000000005355,0.236002,20.361329,20.597331
10/13/2016 1:54:00 PM,141.00000000908,0.179036,20.003255,20.182291
10/13/2016 1:55:00 PM,142.000000001863,0.08138,20.214844,20.296224
10/13/2016 2:09:00 PM,156.000000005588,0.301107,19.449869,19.750976
10/13/2016 2:10:00 PM,157.000000008848,0.276693,19.742838,20.019531
10/13/2016 2:24:00 PM,171.000000002095,0.423177,19.881185,20.304362
10/13/2016 2:25:00 PM,172.000000005355,0.284831,20.247395,20.532226
10/13/2016 2:39:00 PM,186.00000000908,0.439453,19.824219,20.263672
10/13/2016 2:40:00 PM,187.000000001863,0.211588,20.10905,20.320638
10/13/2016 2:54:00 PM,201.000000005588,0.227864,20.084636,20.3125
10/13/2016 2:55:00 PM,202.000000008848,0.20345,20.166016,20.369466
10/13/2016 3:09:00 PM,216.000000002095,0.309245,19.205729,19.514974
10/13/2016 3:10:00 PM,217.000000005355,0.252279,19.718424,19.970703
10/13/2016 3:24:00 PM,231.00000000908,0.301107,19.962565,20.263672
10/13/2016 3:25:00 PM,232.000000001863,0.195312,20.157878,20.35319
10/13/2016 3:39:00 PM,246.000000005588,0.138346,20.239258,20.377604
10/13/2016 3:40:00 PM,247.000000008848,0.675455,20.239259,20.914714
10/13/2016 3:54:00 PM,261.000000002095,0.219726,20.336914,20.55664
10/13/2016 3:55:00 PM,262.000000005355,0.211588,20.35319,20.564778
10/13/2016 4:09:00 PM,276.00000000908,0.113932,19.645182,19.759114
10/13/2016 4:10:00 PM,277.000000001863,0.113932,19.889323,20.003255
10/13/2016 4:24:00 PM,291.000000005588,0.008138,20.060221,20.068359
10/13/2016 4:25:00 PM,292.000000008848,0.187174,20.369466,20.55664
10/13/2016 4:39:00 PM,306.000000002095,0.366211,20.263672,20.629883
10/13/2016 4:40:00 PM,307.000000005355,0.219726,20.336914,20.55664
10/13/2016 4:54:00 PM,321.00000000908,-0.16276,20.43457,20.27181
10/13/2016 4:55:00 PM,322.000000001863,0.472005,20.556641,21.028646
10/13/2016 5:09:00 PM,336.000000005588,0.244141,19.710286,19.954427
10/13/2016 5:10:00 PM,337.000000008848,0.309245,20.035807,20.345052
10/13/2016 5:24:00 PM,351.000000002095,0.227864,20.100912,20.328776
10/13/2016 5:25:00 PM,352.000000005355,0.301107,20.450846,20.751953
10/13/2016 5:39:00 PM,366.00000000908,0.244141,20.288085,20.532226
10/13/2016 5:40:00 PM,367.000000001863,0.317383,20.711263,21.028646
10/13/2016 5:54:00 PM,381.000000005588,0.227864,20.491537,20.719401
10/13/2016 5:55:00 PM,382.000000008848,0.374349,20.694987,21.069336
