---
instrument_id: '442'
data_file_original_name: '20150123_ap_O3_GC_ap conc.csv'
skip_headers: '1'
charts: ''
headers:
    - '?Elapsed time'
    - 'ap conc'
dataset_id: '3818'
experiment_link: 'https://icarus.ucdavis.edu/chambers/542/experiments/723'
experiment_set_link: 'https://icarus.ucdavis.edu/chambers/542/experimentSets/230'
chamber_link: 'https://icarus.ucdavis.edu/chambers/542'
dataset_created_at: '2022-01-04 13:38:16'
dataset_updated_at: '2022-01-04 13:38:16'
instrument_link: 'https://icarus.ucdavis.edu/chambers/542/instruments/442'
instrument:
    id: '442'
    short_name: 'GC-FID (far)'
    full_name: 'Gas Chromatography Flame Ionization Detector'
    manufacturer: 'Agilent'
    model: '7890A'
    year: ''
    data_recording_software: 'GC ChemStation Online'
    data_analysis_software: 'GC ChemStation offline'
    raw_data_time_resolution: '~ 12min'
    analysis_data_averaging: 'N/A'
    detection_limit: 'Depends on the column & target compound'
    quantification_limit: ''
    sensitivity_to_temperature: ''
    sensitivity_to_relative_humidity: ''
    sampling_method: 'Direct sampling'
    sample_preparation_method: 'Derivatized sample can be used'
    sample_residence_time_in_seconds: ''
    length_of_tubing_in_cm: '388.62'
    flow_rate: ''
    tubing_material: 'FEP Teflon'
    chemical_identification_method: 'gas-chromatography flame ionization detection'
    data_analysis_method: 'Area at the targeting compounds'' retention time is printed from the software. Area is sensitive to the slope of baseline.'
    quantification_method: 'Area of the peak'
    calibration_method: 'Calibrated by injecting known amount of hydrocarbon into a pillow bag'
    calibration_drift_estimate: 'Low (on the order of weeks)'
    calibration_schedule: 'As Needed'
    uncertainty_estimation_method: 'Introducing standard chemical into the pillow bag'
    known_interferences: 'Moisture, hydrocarbon in the air that is used to lighting up the flame'
    link_to_supplemental_information: ''
    additional_notes: ''
    organization_id: '546'
    created_at: '2020-05-22T15:37:47.000000Z'
    updated_at: '2020-05-22T15:37:47.000000Z'
    column_descriptors: '[]'
    sampling_protocol: 'Online'
    skip_headers: '1'
    tubing_inner_diameter: '1/4 inch'
    what_is_measured: 'Gaseous hydrcarbons'
    measurement_uncertainty: 'NA'
    measurement_units: 'ppb'

---
?Elapsed time,ap conc
0,52.06564799
8,52.06564799
20,37.91737408
32,33.95585739
43,29.99434069
55,26.59875495
66,24.33503113
78,22.0713073
89,19.80758347
101,17.54385965
113,15.84606678
124,14.71420487
136,13.016412
147,12.45048104
159,11.31861913
170,10.18675722
182,9.620826259
194,8.488964346
205,7.92303339
217,7.357102434
228,6.791171477
240,6.225240521
252,5.659309564
263,5.489530277
275,5.093378608
286,3.904923599
298,3.678551217
310,3.735144312
321,3.735144312
333,3.056027165
344,2.659875495
356,2.999434069
368,2.433503113
379,2.20713073
391,2.320316921
402,1.867572156
414,1.754385965
425,1.358234295