---
instrument_id: '392'
data_file_original_name: 'EPA1418B_NOx.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'NO_UNCOR_ppb'
    - 'NO2_UNCOR_ppb'
    - 'NOx_UNCOR_ppb'
dataset_id: '3237'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/510'
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 17:01:21'
dataset_updated_at: '2021-08-26 17:01:21'
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
4/22/2011 7:14:00 AM,-326.000000004424,-0.0436280542214395,0.0872425462791434,-0.00803106400036446
4/22/2011 7:15:00 AM,-325.000000001164,-0.0287518506405187,0.00738036605397867,-0.0730170406446084
4/22/2011 7:29:00 AM,-311.000000007916,-0.0984367910856433,0.878826486081274,0.728744138937563
4/22/2011 7:30:00 AM,-310.000000004657,-0.114878353819724,0.751984288985306,0.585460379107514
4/22/2011 7:44:00 AM,-296.000000000931,-0.0162241668462378,0.372244706786082,0.304374983881776
4/22/2011 7:45:00 AM,-295.000000008149,0.0213579224228044,0.372244706786082,0.341957073150818
4/22/2011 9:14:00 AM,-206.000000000931,-0.0444112148549197,-0.103018344080308,-0.199075114993296
4/22/2011 9:15:00 AM,-205.000000008149,-0.067117100543041,-0.064653094177786,-0.183415750778895
4/22/2011 9:29:00 AM,-191.000000004424,0.00726487947536367,-0.201673493167595,-0.2460541697503
4/22/2011 9:30:00 AM,-190.000000001164,0.0401489670573255,-0.171136963258473,-0.182633552259216
4/22/2011 9:44:00 AM,-176.000000007916,-0.0365815327477192,-0.168005282838353,-0.25623237164414
4/22/2011 9:45:00 AM,-175.000000004657,-0.0428458557017598,-0.173485483045113,-0.267976894804941
4/22/2011 10:14:00 AM,-146.000000004424,-0.0992189896053231,-0.141384556096631,-0.292249101760023
4/22/2011 10:15:00 AM,-145.000000001164,-0.0240538489534383,-0.197758652113995,-0.273458057125501
4/22/2011 10:29:00 AM,-131.000000007916,-0.0123093257926376,-0.196975491480515,-0.260930373331221
4/22/2011 10:30:00 AM,-130.000000004657,-0.0545903788625605,-0.166438961571392,-0.272674896492021
4/22/2011 10:44:00 AM,-116.000000000931,-0.0170073274797179,-0.195409170213554,-0.264062053751341
4/22/2011 10:45:00 AM,-115.000000008149,-0.0115271272729578,-0.199324011267155,-0.262496694598181
4/22/2011 11:29:00 AM,-71.0000000009313,-0.031101332540959,-0.183663684938953,-0.266410573537981
4/22/2011 11:30:00 AM,-70.0000000081491,-0.0365815327477192,-0.171136963258473,-0.25936405206426
4/22/2011 11:44:00 AM,-56.0000000044238,15.0160208028972,0.292381564447116,15.2567568112863
4/22/2011 11:45:00 AM,-55.0000000011642,15.0911859435491,0.159276006510908,15.198816394002
4/22/2011 12:14:00 PM,-26.0000000009313,15.1812272877819,0.188247177266869,15.3178289089907
4/22/2011 12:15:00 PM,-25.0000000081491,15.1569550808269,0.222697586115792,15.3280071108846
4/22/2011 12:29:00 PM,-11.0000000044238,15.2908428372827,0.0739336260789823,15.3131309073037
4/22/2011 12:30:00 PM,-10.0000000011642,15.2391667429525,0.031652573009061,15.2191737599035
4/22/2011 12:44:00 PM,3.99999999208376,14.6104417303622,0.553893716518655,15.1126898908228
4/22/2011 12:45:00 PM,4.99999999534339,14.3387513763968,0.778605977840829,15.0657117981796
4/22/2011 1:14:00 PM,33.9999999955762,3.18534035127569,11.4583202733625,14.5920150685801
4/22/2011 1:15:00 PM,34.9999999988358,3.06946144093464,11.490421200311,14.5082370851876
4/22/2011 1:29:00 PM,48.9999999920838,1.19346460505764,13.1143018874906,14.2561209364902
4/22/2011 1:30:00 PM,49.9999999953434,1.13395882862016,13.0743703163211,14.1566835888832
4/22/2011 1:44:00 PM,63.9999999990687,0.594491999629201,13.6365430310002,14.1793894745713
4/22/2011 1:45:00 PM,64.9999999918509,0.535769383825197,13.7359803786072,14.2201042063743
4/22/2011 2:29:00 PM,108.999999999069,0.141152635931252,13.8659532940095,13.9554603738826
4/22/2011 2:30:00 PM,109.999999991851,0.175603044780174,13.708576491232,13.8325339799541
4/22/2011 2:44:00 PM,123.999999995576,0.139586314664292,13.8377662460008,13.925707004607
4/22/2011 2:45:00 PM,124.999999998836,0.0753825365397278,13.7782604695633,13.801997450045
4/22/2011 3:14:00 PM,153.999999999069,0.027622245376845,14.1564346926094,14.1324113819281
4/22/2011 3:15:00 PM,154.999999991851,0.047978649164526,14.1783583797778,14.1746914728843
4/22/2011 4:14:00 PM,213.999999995576,0.0565914919052067,13.8542087708487,13.8591547066958
4/22/2011 4:15:00 PM,214.999999998836,0.100437904128289,13.8722166548497,13.9210090029199
4/22/2011 4:29:00 PM,228.999999992084,0.0565914919052067,14.1188526033403,14.1237985391875
4/22/2011 4:30:00 PM,229.999999995343,0.0777320184401681,14.1305971265011,14.1566835888832
4/22/2011 4:44:00 PM,243.999999999069,0.0722508561196076,14.3764499143583,14.3970552144198
4/22/2011 4:45:00 PM,244.999999991851,0.0941745432880492,14.2629185616901,14.30544754892
4/22/2011 5:14:00 PM,273.999999992084,0.0730340167530878,14.3161609772873,14.3375494379823
4/22/2011 5:15:00 PM,274.999999995343,-0.0123093257926376,14.3694024307707,14.30544754892
4/22/2011 5:29:00 PM,288.999999999069,0.11374874855605,14.4860654638591,14.548168656357
4/22/2011 5:30:00 PM,289.999999991851,0.0205747617893243,14.4594447371173,14.4283739428486
4/22/2011 5:44:00 PM,303.999999995576,0.0346687668505654,14.5823711310459,14.5653943418384
4/22/2011 5:45:00 PM,304.999999998836,0.0378004472706855,14.4978099870199,14.4839648782325
4/22/2011 6:14:00 PM,333.999999999069,0.0409321276908057,13.3037805793304,13.2930671509631
4/22/2011 6:15:00 PM,334.999999991851,0.0659874952793674,13.0994247217959,13.1137666610172
4/22/2011 6:29:00 PM,348.999999995576,0.0581578131721669,12.2013578750269,12.207870132141
4/22/2011 6:30:00 PM,349.999999998836,0.11374874855605,12.0322365490886,12.0943397415866
4/22/2011 6:44:00 PM,363.999999992084,0.0237074043232448,11.1506122271675,11.1226740754326
4/22/2011 6:45:00 PM,364.999999995343,0.0291876045300049,11.0871916096764,11.0647336581483
4/22/2011 10:14:00 PM,573.999999995576,0.0119619190486437,0.0700187850253829,0.0303351480159582
4/22/2011 10:15:00 PM,574.999999998836,-0.05145773632864,0.100553390706904,-0.00254990167980397
4/22/2011 10:29:00 PM,588.999999992084,-0.00917764537251743,0.00659720542049851,-0.0542259960100873
4/22/2011 10:30:00 PM,589.999999995343,-0.0146588076930779,0.0128615283745392,-0.0534428353766072
4/22/2011 10:44:00 PM,603.999999999069,-0.0365815327477192,-0.0161086802676229,-0.10433576907341
4/22/2011 10:45:00 PM,604.999999991851,-0.04676069675536,-0.0106275179470623,-0.109033770760491
4/22/2011 11:14:00 PM,633.999999992084,-0.0342330129610792,0.0167763694281394,-0.0691021995910082
4/22/2011 11:15:00 PM,634.999999995343,-0.0859091072913625,0.0418317370167011,-0.0957229263327298
4/22/2011 11:29:00 PM,648.999999999069,-0.0287518506405187,0.0253882500550197,-0.0550091566435674
4/22/2011 11:30:00 PM,649.999999991851,0.00335003842176342,0.0152100481611791,-0.0330854694751258
4/22/2011 11:44:00 PM,663.999999995576,-0.0953041485517229,-0.0239393244886237,-0.170889029098415
4/22/2011 11:45:00 PM,664.999999998836,-0.0694665824434814,0.0105120464740988,-0.110600092027451
