---
instrument_id: '386'
data_file_original_name: 'EPA1411A_AMS.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'O:C_unitless'
    - 'H:C_unitless'
dataset_id: '3161'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/482'
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 16:38:55'
dataset_updated_at: '2021-08-26 16:38:55'
instrument_link: 'https://icarus.ucdavis.edu/chambers/539/instruments/386'
instrument:
    id: '386'
    short_name: 'HR-ToF-AMS'
    full_name: 'High Resolution - Time of Flight - Aerosol Mass Spectrometer'
    manufacturer: 'Aerodyne'
    model: 'HR-ToF-AMS'
    year: '2005'
    data_recording_software: 'Built-in DAQ programs'
    data_analysis_software: 'Custom IGOR script (Squirrel)'
    raw_data_time_resolution: '1s'
    analysis_data_averaging: '60 ~ 90s'
    detection_limit: '0.003 ug/m3 in V mode; 0.05 in W mode'
    quantification_limit: ''
    sensitivity_to_temperature: 'N/A'
    sensitivity_to_relative_humidity: 'N/A'
    sampling_method: 'Direct gas sampling'
    sample_preparation_method: 'None'
    sample_residence_time_in_seconds: ''
    length_of_tubing_in_cm: ''
    flow_rate: '0.08 lpm'
    tubing_material: 'Copper'
    chemical_identification_method: ''
    data_analysis_method: 'The built-in DAQ program converts the raw data to formatted .HDF files, then those files are pulled out by a custom IGOR script and converted to its database.'
    quantification_method: ''
    calibration_method: 'Varied concentrations of atomized Ammonium Sulfate Particles were size-selected by a fixed-voltage SMPS and injected to AMS, then calibration curve could be built based on the real time SMPS counts and AMS mass readings.'
    calibration_drift_estimate: 'Low (on the order of weeks)'
    calibration_schedule: 'Monthly'
    uncertainty_estimation_method: '9999'
    known_interferences: 'N/A'
    link_to_supplemental_information: 'N/A'
    additional_notes: 'N/A'
    organization_id: '547'
    created_at: '2020-02-25T09:41:57.000000Z'
    updated_at: '2020-03-27T09:36:49.000000Z'
    column_descriptors: "(b) Experimental_Time = relative time, t=0 is defined as the start of the reaction (dark) or light given time (BL/Arc);\r\n(c) O:C = particle elemental ratio;\r\n(d) H:C = particle elemental ratio;\r\n(e) f43 = fragment of m/z 43;\r\n(f) f44 = fragment of m/z 44."
    sampling_protocol: 'Online'
    skip_headers: '1'
    tubing_inner_diameter: '1/4'''' OD; 0.152'''' ID'
    what_is_measured: 'Particle Elemental Composition & Fragments'
    measurement_uncertainty: '(a) Local_Time (N/A); (b) Experimental_Time (N/A); (c) O:C (+/- ?%); (d) H:C (+/- ?%); (e) f43 (+/- ?%); (f) f44 (+/- ?%)'
    measurement_units: '(a) Local_Time (N/A); (b) Experimental_Time (min); (c) O:C (N/A); (d) H:C (N/A); (e) f43 (N/A); (f) f44 (N/A)'

---
Local_Time_PST,Experimental_Time_min,O:C_unitless,H:C_unitless
4/15/11 8:17,-233,0.40,1.66
4/15/11 8:22,-228,0.24,1.54
4/15/11 8:27,-223,0.07,1.99
4/15/11 8:33,-217,0.04,2.09
4/15/11 8:38,-212,0.32,1.36
4/15/11 8:43,-207,0.11,1.93
4/15/11 8:48,-202,0.04,2.12
4/15/11 8:53,-197,0.44,1.65
4/15/11 8:59,-191,0.09,2.03
4/15/11 9:04,-186,0.09,1.97
4/15/11 9:09,-181,0.06,2.05
4/15/11 9:14,-176,0.07,2.07
4/15/11 9:20,-170,0.27,1.53
4/15/11 9:25,-165,0.04,2.08
4/15/11 9:30,-160,0.07,2.06
4/15/11 9:35,-155,0.07,2.01
4/15/11 9:40,-150,0.28,1.57
4/15/11 9:46,-144,0.35,1.80
4/15/11 9:51,-139,0.09,2.00
4/15/11 9:56,-134,0.04,2.10
4/15/11 10:01,-129,0.29,1.55
4/15/11 10:07,-123,0.06,2.03
4/15/11 10:12,-118,0.43,1.60
4/15/11 10:17,-113,0.17,1.82
4/15/11 10:22,-108,0.05,2.02
4/15/11 10:27,-103,0.35,1.82
4/15/11 10:33,-97,0.06,2.11
4/15/11 10:38,-92,0.15,1.75
4/15/11 10:43,-87,0.08,2.09
4/15/11 10:48,-82,0.07,2.06
4/15/11 10:54,-76,0.07,2.06
4/15/11 10:59,-71,0.23,1.73
4/15/11 11:04,-66,0.05,2.09
4/15/11 11:09,-61,0.27,1.85
4/15/11 11:15,-55,0.07,2.02
4/15/11 11:20,-50,0.22,1.39
4/15/11 11:25,-45,0.06,2.02
4/15/11 11:30,-40,0.29,1.49
4/15/11 11:35,-35,0.09,1.75
4/15/11 11:41,-29,0.05,2.08
4/15/11 11:46,-24,0.30,1.45
4/15/11 11:51,-19,0.33,1.44
4/15/11 11:56,-14,0.04,2.10
4/15/11 12:02,-8,0.32,1.38
4/15/11 12:07,-3,0.07,1.81
4/15/11 12:12,2,0.12,1.82
4/15/11 12:17,7,0.06,2.03
4/15/11 12:23,13,0.04,2.08
4/15/11 12:28,18,0.08,1.81
4/15/11 12:33,23,0.32,1.52
4/15/11 12:38,28,0.04,2.10
4/15/11 12:43,33,0.04,2.06
4/15/11 12:49,39,0.25,1.58
4/15/11 12:54,44,0.29,1.54
4/15/11 12:59,49,0.09,1.90
4/15/11 13:04,54,0.28,1.69
4/15/11 13:10,60,0.06,2.03
4/15/11 13:15,65,0.36,1.39
4/15/11 13:20,70,0.45,1.61
4/15/11 13:25,75,0.05,2.06
4/15/11 13:31,81,0.07,2.01
4/15/11 13:36,86,0.10,2.04
4/15/11 13:41,91,0.39,1.60
4/15/11 13:46,96,0.44,1.45
4/15/11 13:52,102,0.36,1.44
4/15/11 13:57,107,0.49,1.57
4/15/11 14:02,112,0.06,2.12
4/15/11 14:07,117,0.19,1.91
4/15/11 14:12,122,0.10,2.01
4/15/11 14:18,128,0.43,1.60
4/15/11 14:23,133,0.52,1.49
4/15/11 14:28,138,0.50,1.42
4/15/11 14:33,143,0.11,1.98
4/15/11 14:39,149,0.11,2.06
4/15/11 14:44,154,0.37,1.73
4/15/11 14:49,159,0.39,1.44
4/15/11 14:54,164,0.45,1.46
4/15/11 15:00,170,0.50,1.55
4/15/11 15:05,175,0.27,1.82
4/15/11 15:10,180,0.32,1.79
4/15/11 15:15,185,0.24,1.82
4/15/11 15:20,190,0.51,1.48
4/15/11 15:26,196,0.14,2.00
4/15/11 15:31,201,0.53,1.45
4/15/11 15:36,206,0.36,1.58
4/15/11 15:41,211,0.12,1.95
4/15/11 15:47,217,0.15,2.00
4/15/11 15:52,222,0.45,1.44
4/15/11 15:57,227,0.47,1.54
4/15/11 16:02,232,0.09,2.06
4/15/11 16:08,238,0.39,1.68
4/15/11 16:13,243,0.48,1.50
4/15/11 16:18,248,0.30,1.64
4/15/11 16:23,253,0.45,1.49
4/15/11 16:29,259,0.45,1.53
4/15/11 16:34,264,0.40,1.64
4/15/11 16:39,269,0.33,1.73
4/15/11 16:44,274,0.33,1.63
4/15/11 16:49,279,0.52,1.69
4/15/11 16:55,285,0.09,2.05
4/15/11 17:00,290,0.51,1.71
4/15/11 17:05,295,0.44,1.48
4/15/11 17:10,300,0.38,1.40
4/15/11 17:16,306,0.62,1.48
4/15/11 17:21,311,0.50,1.57
4/15/11 17:26,316,0.44,1.25
4/15/11 17:31,321,0.50,1.42
4/15/11 17:37,327,0.20,1.74
4/15/11 17:42,332,0.50,1.53
4/15/11 17:47,337,0.46,1.57
4/15/11 17:52,342,0.14,1.90
4/15/11 17:58,348,0.19,1.86
4/15/11 18:03,353,0.37,1.43
4/15/11 18:08,358,0.55,1.51
4/15/11 18:13,363,0.37,1.39
4/15/11 18:18,368,0.36,1.56
4/15/11 18:24,374,0.51,1.55
4/15/11 18:29,379,0.44,1.46
4/15/11 18:34,384,0.47,1.47
4/15/11 18:39,389,0.36,1.35
4/15/11 18:45,395,0.45,1.61
4/15/11 18:50,400,0.08,2.05
4/15/11 18:55,405,0.46,1.39
4/15/11 19:00,410,0.31,1.68
4/15/11 19:06,416,0.30,1.52
4/15/11 19:11,421,0.33,1.61
,,,
,,,
,,,
,,,
,,,
,,,
,,,
,,,
,,,
,,,
,,,
,,,
,,,
,,,
,,,
,,,
,,,
,,,
,,,
,,,
,,,
,,,
,,,
,,,
,,,
,,,
,,,
,,,
