---
instrument_id: '392'
data_file_original_name: 'EPA2003A_NOx.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'NO_UNCOR_ppb'
    - 'NO2_UNCOR_ppb'
    - 'NOx_UNCOR_ppb'
dataset_id: '2960'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/420'
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 14:44:04'
dataset_updated_at: '2021-08-26 14:44:04'
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
11/30/2014 9:39:00 AM,-190.999999993946,-0.105794,-0.04069,-0.146484
11/30/2014 9:40:00 AM,-189.999999990687,-0.203451,0.105795,-0.097656
11/30/2014 10:54:00 AM,-115.999999990454,-0.089518,-0.024414,-0.113932
11/30/2014 10:55:00 AM,-114.999999997672,-0.148967,-0.066208,-0.215175
11/30/2014 11:09:00 AM,-100.999999993946,-0.382487,0.12207,-0.260417
11/30/2014 11:10:00 AM,-99.9999999906868,-0.512695,0.292969,-0.219726
11/30/2014 11:24:00 AM,-85.9999999974389,-0.382487,0.284831,-0.097656
11/30/2014 11:25:00 AM,-84.9999999941792,-0.301107,0.170899,-0.130208
11/30/2014 11:39:00 AM,-70.9999999904539,-0.024414,-0.16276,-0.187174
11/30/2014 11:40:00 AM,-69.9999999976717,-0.140691,0.049656,-0.091035
11/30/2014 11:54:00 AM,-55.9999999939464,20.955403,1.416016,22.371419
11/30/2014 11:55:00 AM,-54.9999999906868,21.248372,1.212565,22.460937
11/30/2014 12:09:00 PM,-40.9999999974389,21.183268,1.074219,22.257487
11/30/2014 12:10:00 PM,-39.9999999941792,21.354166,0.903321000000002,22.257487
11/30/2014 12:24:00 PM,-25.9999999904539,21.525065,0.927733999999997,22.452799
11/30/2014 12:25:00 PM,-24.9999999976717,21.2972,1.383464,22.680664
11/30/2014 12:39:00 PM,-10.9999999939464,21.264648,1.139323,22.403971
11/30/2014 12:40:00 PM,-9.99999999068677,21.37858,0.935873000000001,22.314453
11/30/2014 12:54:00 PM,4.00000000256114,10.172526,11.092123,21.264649
11/30/2014 12:55:00 PM,5.00000000582077,7.267252,13.753256,21.020508
11/30/2014 1:09:00 PM,19.0000000095461,0.488281,16.097005,16.585286
11/30/2014 1:10:00 PM,20.0000000023283,0.667318,15.893554,16.560872
11/30/2014 1:24:00 PM,34.0000000060536,0.008138,14.680989,14.689127
11/30/2014 1:25:00 PM,35.0000000093132,0.20345,14.835612,15.039062
11/30/2014 1:39:00 PM,49.0000000025611,-0.113932,14.664713,14.550781
11/30/2014 1:40:00 PM,50.0000000058208,0.105794,14.990235,15.096029
11/30/2014 1:54:00 PM,64.0000000095461,0,14.754232,14.754232
11/30/2014 1:55:00 PM,65.0000000023283,0.130208,15.039063,15.169271
11/30/2014 2:09:00 PM,79.0000000060536,0.130208,13.110352,13.24056
11/30/2014 2:10:00 PM,80.0000000093132,-0.455729,14.160156,13.704427
11/30/2014 2:24:00 PM,94.0000000025611,-0.08138,14.510091,14.428711
11/30/2014 2:25:00 PM,95.0000000058208,-0.219727,15.087891,14.868164
11/30/2014 2:39:00 PM,109.000000009546,0.065104,14.68099,14.746094
11/30/2014 2:40:00 PM,110.000000002328,0,15.226237,15.226237
11/30/2014 2:54:00 PM,124.000000006054,-0.268555,14.908854,14.640299
11/30/2014 2:55:00 PM,125.000000009313,0.048828,15.340169,15.388997
11/30/2014 3:09:00 PM,139.000000002561,-0.024414,12.768554,12.74414
11/30/2014 3:10:00 PM,140.000000005821,-0.048828,13.614909,13.566081
11/30/2014 3:24:00 PM,154.000000009546,-0.065104,14.314778,14.249674
11/30/2014 3:25:00 PM,155.000000002328,0.097656,14.697266,14.794922
11/30/2014 3:39:00 PM,169.000000006054,-0.08138,14.453124,14.371744
11/30/2014 3:40:00 PM,170.000000009313,0.089518,14.908854,14.998372
11/30/2014 3:54:00 PM,184.000000002561,0.219726,14.217123,14.436849
11/30/2014 3:55:00 PM,185.000000005821,-0.089518,14.990234,14.900716
11/30/2014 4:09:00 PM,199.000000009546,-0.16276,12.508137,12.345377
11/30/2014 4:10:00 PM,200.000000002328,0.138346,12.890625,13.028971
11/30/2014 4:24:00 PM,214.000000006054,0.244141,13.500976,13.745117
11/30/2014 4:25:00 PM,215.000000009313,-0.089518,14.501953,14.412435
11/30/2014 4:39:00 PM,229.000000002561,0.219727,13.924153,14.14388
11/30/2014 4:40:00 PM,230.000000005821,0,14.567057,14.567057
11/30/2014 4:54:00 PM,244.000000009546,-0.113932,13.997395,13.883463
11/30/2014 4:55:00 PM,245.000000002328,-0.113932,14.835612,14.72168
11/30/2014 5:09:00 PM,259.000000006054,0.089518,11.490886,11.580404
11/30/2014 5:10:00 PM,260.000000009313,0.073242,12.207031,12.280273
11/30/2014 5:24:00 PM,274.000000002561,0.056966,13.134766,13.191732
11/30/2014 5:25:00 PM,275.000000005821,0.154622,13.842774,13.997396
11/30/2014 5:39:00 PM,289.000000009546,0.113932,13.354492,13.468424
11/30/2014 5:40:00 PM,290.000000002328,-0.024414,14.200846,14.176432
11/30/2014 5:54:00 PM,304.000000006054,0.105794,13.500977,13.606771
11/30/2014 5:55:00 PM,305.000000009313,-0.008138,14.363606,14.355468
11/30/2014 6:09:00 PM,319.000000002561,0.113932,11.043295,11.157227
11/30/2014 6:10:00 PM,320.000000005821,-0.065104,12.00358,11.938476
11/30/2014 6:24:00 PM,334.000000009546,-0.423177,13.24056,12.817383
11/30/2014 6:25:00 PM,335.000000002328,-0.276693,13.842774,13.566081
11/30/2014 6:39:00 PM,349.000000006054,-0.113932,13.354492,13.24056
11/30/2014 6:40:00 PM,350.000000009313,0.170898,13.680013,13.850911
11/30/2014 6:54:00 PM,364.000000002561,-0.089518,13.248698,13.15918
11/30/2014 6:55:00 PM,365.000000005821,-0.170898,14.10319,13.932292
11/30/2014 7:09:00 PM,379.000000009546,-0.138346,10.717773,10.579427
11/30/2014 7:10:00 PM,380.000000002328,0.016276,11.352539,11.368815
11/30/2014 7:24:00 PM,394.000000006054,-0.390625,12.801107,12.410482
11/30/2014 7:25:00 PM,395.000000009313,-0.024414,13.460286,13.435872
11/30/2014 7:39:00 PM,409.000000002561,-0.04069,12.882487,12.841797
11/30/2014 7:40:00 PM,410.000000005821,0.048828,13.688151,13.736979
11/30/2014 7:54:00 PM,424.000000009546,0.065104,12.792969,12.858073
11/30/2014 7:55:00 PM,425.000000002328,0,13.696289,13.696289
11/30/2014 8:09:00 PM,439.000000006054,-0.390625,10.628255,10.23763
11/30/2014 8:10:00 PM,440.000000009313,-0.08138,11.124674,11.043294
11/30/2014 8:24:00 PM,454.000000002561,-0.065104,7.169596,7.104492
11/30/2014 8:25:00 PM,455.000000005821,0.16276,6.86849,7.03125
11/30/2014 8:39:00 PM,469.000000009546,-0.130208,5.037434,4.907226
11/30/2014 8:40:00 PM,470.000000002328,-0.439453,5.200195,4.760742
11/30/2014 8:54:00 PM,484.000000006054,-0.268555,3.955078,3.686523
11/30/2014 8:55:00 PM,485.000000009313,-0.439453,4.231771,3.792318
11/30/2014 9:09:00 PM,499.000000002561,-0.154622,2.197265,2.042643
11/30/2014 9:10:00 PM,500.000000005821,-0.496419,2.376302,1.879883
