---
instrument_id: '384'
data_file_original_name: 'EPA2017A_APM.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'Particle_Density_g/cm3'
dataset_id: '3069'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/440'
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 16:17:12'
dataset_updated_at: '2021-08-26 16:17:12'
instrument_link: 'https://icarus.ucdavis.edu/chambers/539/instruments/384'
instrument:
    id: '384'
    short_name: 'APM-SMPS'
    full_name: 'Aerosol Particle Mass Analyzer - Scanning Mobility Particle Sizer'
    manufacturer: 'Home-made'
    model: 'TSI3081, TSI3771, Kanomax APM-3600'
    year: '2006'
    data_recording_software: 'Labview Program'
    data_analysis_software: 'Custom MATLAB script'
    raw_data_time_resolution: '1s'
    analysis_data_averaging: '180s to 600s'
    detection_limit: 'N/A'
    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: 'APM 9999; Sheath 2.5 lpm; Main 0.25 lpm'
    tubing_material: 'Copper, covered with temperature coat'
    chemical_identification_method: 'None'
    data_analysis_method: 'The APM data that were recorded in scanning mode are analyzed using a custom MATLAB script. Particle size distribution, as a function of time are displayed. Density is calculated by the selected mass and the measured volume with a perfect spherical assumption.'
    quantification_method: "Signal strength is converted to partial number/size distribution by designed transfer functions. Selected mass is calculated by the given Voltage and Kanomax RPM. \r\nDensity = selected mass / assumed volume based on SMPS readings."
    calibration_method: 'Atomizing certain compounds with known densities to the system and create calibration curves based on the known and measured values.'
    calibration_drift_estimate: 'No estimate'
    calibration_schedule: 'Annually'
    uncertainty_estimation_method: 'Duplication of the same experimental conditions.'
    known_interferences: 'Double peak would happen once there are two bulk composition in the sample, thus giving two densities.'
    link_to_supplemental_information: 'N/A'
    additional_notes: 'N/A'
    organization_id: '547'
    created_at: '2020-02-25T05:03:14.000000Z'
    updated_at: '2020-03-27T09:17:37.000000Z'
    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: 'Particle Density'
    measurement_uncertainty: '(a) Local_Time (N/A); (b) Experimental_Time (N/A); (c) Particle_Density (+/- ?%)'
    measurement_units: '(a) Local_Time (N/A); (b) Experimental_Time (min); (c) Particle_Density (g/cm3)'

---
Local_Time_PST,Experimental_Time_min,Particle_Density_g/cm3
2/1/2015 10:08,-84,0
2/1/2015 10:09,-83,0
2/1/2015 10:11,-81,2.236
2/1/2015 10:12,-80,0.022
2/1/2015 10:13,-79.00000001,0.706
2/1/2015 10:15,-77,0
2/1/2015 10:17,-75,0
2/1/2015 10:18,-74,0
2/1/2015 10:20,-72,1.138
2/1/2015 10:21,-71,1.088
2/1/2015 10:23,-69,0.124
2/1/2015 10:24,-68,0.011
2/1/2015 10:26,-66.00000001,0.788
2/1/2015 10:27,-65,0.788
2/1/2015 10:29,-63.00000001,0.823
2/1/2015 10:30,-62,0.025
2/1/2015 10:32,-60.00000001,0.042
2/1/2015 10:33,-59,0
2/1/2015 10:35,-57.00000001,1.027
2/1/2015 10:36,-56,0
2/1/2015 10:38,-54,0.178
2/1/2015 10:39,-53.00000001,0
2/1/2015 10:41,-51,1.921
2/1/2015 10:42,-50.00000001,0.285
2/1/2015 10:44,-48,0.235
2/1/2015 10:45,-47.00000001,0.51
2/1/2015 10:47,-45,0.53
2/1/2015 10:48,-44.00000001,0.326
2/1/2015 10:50,-42,1.206
2/1/2015 10:51,-41.00000001,0.129
2/1/2015 10:53,-39,0.259
2/1/2015 10:54,-38,1.488
2/1/2015 10:56,-36,0.009
2/1/2015 10:57,-35,0.004
2/1/2015 10:59,-33,0.112
2/1/2015 11:01,-31.00000001,0.057
2/1/2015 11:02,-30,0.129
2/1/2015 11:03,-29,0.018
2/1/2015 11:05,-27,0
2/1/2015 11:06,-26,2.676
2/1/2015 11:08,-24,1.624
2/1/2015 11:10,-22,0
2/1/2015 11:11,-21.00000001,0
2/1/2015 11:12,-20,0
2/1/2015 11:14,-18.00000001,0
2/1/2015 11:15,-17,0
2/1/2015 11:17,-15.00000001,0
2/1/2015 11:19,-13,1.34
2/1/2015 11:20,-12.00000001,0.934
2/1/2015 11:21,-11,2.161
2/1/2015 11:23,-8.999999998,1.527
2/1/2015 11:24,-8.000000005,2.423
2/1/2015 11:26,-5.999999999,2.081
2/1/2015 11:28,-4.000000003,1.57
2/1/2015 11:29,-2.999999999,0.866
2/1/2015 11:30,-2.000000007,0.299
2/1/2015 11:32,0,0.998
2/1/2015 11:33,0.999999993,0
2/1/2015 11:35,2.999999999,0.599
2/1/2015 11:37,4.999999995,0
2/1/2015 11:38,5.999999999,1.605
2/1/2015 11:39,7.000000002,0.233
2/1/2015 11:41,8.999999998,1.041
2/1/2015 11:43,10.99999999,0.899
2/1/2015 11:44,12,0.988
2/1/2015 11:46,13.99999999,1.178
2/1/2015 11:47,15,1.344
2/1/2015 11:48,16,1.343
2/1/2015 11:50,18,0.992
2/1/2015 11:52,19.99999999,0.976
2/1/2015 11:53,21,0.975
2/1/2015 11:55,23,0.965
2/1/2015 11:56,23.99999999,0.964
2/1/2015 11:57,25,0.958
2/1/2015 11:59,26.99999999,1.318
2/1/2015 12:01,29,1.313
2/1/2015 12:02,29.99999999,1.326
2/1/2015 12:04,32,1.356
2/1/2015 12:05,32.99999999,1.358
2/1/2015 12:07,35,1.357
2/1/2015 12:08,36,1.341
2/1/2015 12:10,38,1.336
2/1/2015 12:11,39,1.326
2/1/2015 12:13,41,1.356
2/1/2015 12:14,42,1.381
2/1/2015 12:16,44,1.372
2/1/2015 12:17,45,1.37
2/1/2015 12:19,47,1.375
2/1/2015 12:20,48,1.372
2/1/2015 12:22,50,1.42
2/1/2015 12:23,51,1.41
2/1/2015 12:25,52.99999999,1.41
2/1/2015 12:26,54,1.409
2/1/2015 12:28,55.99999999,1.41
2/1/2015 12:29,57,1.403
2/1/2015 12:31,58.99999999,1.394
2/1/2015 12:32,60,1.399
2/1/2015 12:34,61.99999999,1.404
2/1/2015 12:36,64,1.416
2/1/2015 12:37,64.99999999,1.416
2/1/2015 12:38,66,1.407
2/1/2015 12:40,68,1.377
2/1/2015 12:41,68.99999999,1.376
2/1/2015 12:43,71,1.367
2/1/2015 12:45,73,1.37
2/1/2015 12:46,74,1.348
2/1/2015 12:47,74.99999999,1.361
2/1/2015 12:49,77,1.36
2/1/2015 12:50,77.99999999,1.343
2/1/2015 12:52,80,1.354
2/1/2015 12:54,81.99999999,1.373
2/1/2015 12:55,83,1.379
2/1/2015 12:56,84,1.377
2/1/2015 12:58,86,1.374
2/1/2015 13:00,87.99999999,1.382
2/1/2015 13:01,89,1.372
2/1/2015 13:03,90.99999999,1.39
2/1/2015 13:04,92,1.388
2/1/2015 13:05,93,1.394
2/1/2015 13:07,95,1.402
2/1/2015 13:09,97,1.403
2/1/2015 13:10,97.99999999,1.398
2/1/2015 13:12,100,1.406
2/1/2015 13:13,101,1.406
2/1/2015 13:14,102,1.403
2/1/2015 13:16,104,1.405
2/1/2015 13:18,106,1.412
2/1/2015 13:19,107,1.404
2/1/2015 13:21,109,1.39
2/1/2015 13:22,110,1.398
2/1/2015 13:23,111,1.397
2/1/2015 13:25,113,1.404
2/1/2015 13:27,115,1.41
2/1/2015 13:28,116,1.414
2/1/2015 13:30,118,1.388
2/1/2015 13:31,119,1.398
2/1/2015 13:33,121,1.393
2/1/2015 13:34,122,1.411
2/1/2015 13:36,124,1.409
2/1/2015 13:37,125,1.408
2/1/2015 13:39,127,1.405
2/1/2015 13:40,128,1.406
2/1/2015 13:42,130,1.42
2/1/2015 13:43,131,1.408
2/1/2015 13:45,133,1.412
2/1/2015 13:46,134,1.423
2/1/2015 13:48,136,1.4
2/1/2015 13:49,137,1.397
2/1/2015 13:51,139,1.394
2/1/2015 13:52,140,1.421
2/1/2015 13:54,142,1.425
2/1/2015 13:55,143,1.437
2/1/2015 13:57,145,1.429
2/1/2015 13:58,146,1.416
2/1/2015 14:00,148,1.417
2/1/2015 14:01,149,1.415
2/1/2015 14:03,151,1.421
2/1/2015 14:04,152,1.424
2/1/2015 14:06,154,1.425
2/1/2015 14:07,155,1.424
2/1/2015 14:09,157,1.427
2/1/2015 14:11,159,1.42
2/1/2015 14:12,160,1.413
2/1/2015 14:13,161,1.405
2/1/2015 14:15,163,1.409
2/1/2015 14:16,164,1.407
2/1/2015 14:18,166,1.416
2/1/2015 14:20,168,1.409
2/1/2015 14:21,169,1.435
2/1/2015 14:22,170,1.417
2/1/2015 14:24,172,1.423
2/1/2015 14:25,173,1.421
2/1/2015 14:27,175,1.425
2/1/2015 14:29,177,1.417
2/1/2015 14:30,178,1.431
2/1/2015 14:31,179,1.432
2/1/2015 14:33,181,1.441
2/1/2015 14:34,182,1.443
2/1/2015 14:36,184,1.437
2/1/2015 14:38,186,1.401
2/1/2015 14:39,187,1.412
2/1/2015 14:40,188,1.405
2/1/2015 14:42,190,1.409
2/1/2015 14:43,191,1.421
2/1/2015 14:45,193,1.432
2/1/2015 14:47,195,1.417
2/1/2015 14:48,196,1.424
2/1/2015 14:49,197,1.415
2/1/2015 14:51,199,1.424
2/1/2015 14:53,201,1.424
2/1/2015 14:54,202,1.421
2/1/2015 14:56,204,1.418
2/1/2015 14:57,205,1.427
2/1/2015 14:58,206,1.431
2/1/2015 15:00,208,1.432
2/1/2015 15:02,210,1.439
2/1/2015 15:03,211,1.432
2/1/2015 15:05,213,1.433
2/1/2015 15:06,214,1.436
2/1/2015 15:07,215,1.43
2/1/2015 15:09,217,1.401
2/1/2015 15:11,219,1.419
2/1/2015 15:12,220,1.405
2/1/2015 15:14,222,1.431
2/1/2015 15:15,223,1.44
2/1/2015 15:17,225,1.438
2/1/2015 15:18,226,1.417
2/1/2015 15:20,228,1.412
2/1/2015 15:21,229,1.432
2/1/2015 15:23,231,1.429
2/1/2015 15:24,232,1.438
2/1/2015 15:26,234,1.411
2/1/2015 15:27,235,1.424
2/1/2015 15:29,237,1.421
2/1/2015 15:30,238,1.444
2/1/2015 15:32,240,1.433
2/1/2015 15:33,241,1.44
2/1/2015 15:35,243,1.44
2/1/2015 15:36,244,1.431
2/1/2015 15:38,246,1.429
2/1/2015 15:39,247,1.439
2/1/2015 15:41,249,1.407
2/1/2015 15:42,250,1.399
2/1/2015 15:44,252,1.4
2/1/2015 15:45,253,1.44
2/1/2015 15:47,255,1.44
2/1/2015 15:48,256,1.439
2/1/2015 15:50,258,1.408
2/1/2015 15:51,259,1.421
2/1/2015 15:53,261,1.409
2/1/2015 15:54,262,1.413
2/1/2015 15:56,264,1.41
2/1/2015 15:57,265,1.43
2/1/2015 15:59,267,1.432
2/1/2015 16:00,268,1.432
2/1/2015 16:02,270,1.445
2/1/2015 16:04,272,1.411
2/1/2015 16:05,273,1.44
2/1/2015 16:06,274,1.435
2/1/2015 16:08,276,1.456
2/1/2015 16:09,277,1.449
2/1/2015 16:11,279,1.425
2/1/2015 16:13,281,1.431
2/1/2015 16:14,282,1.436
2/1/2015 16:15,283,1.438
2/1/2015 16:17,285,1.402
2/1/2015 16:18,286,1.424
2/1/2015 16:20,288,1.41
2/1/2015 16:22,290,1.426
2/1/2015 16:23,291,1.396
2/1/2015 16:24,292,1.403
2/1/2015 16:26,294,1.41
2/1/2015 16:28,296,1.416
2/1/2015 16:29,297,1.422
2/1/2015 16:31,299,1.442
2/1/2015 16:32,300,1.42
2/1/2015 16:33,301,1.433
2/1/2015 16:35,303,1.409
2/1/2015 16:37,305,1.407
2/1/2015 16:38,306,1.42
2/1/2015 16:40,308,1.399
2/1/2015 16:41,309,1.413
2/1/2015 16:42,310,1.39
2/1/2015 16:44,312,1.416
2/1/2015 16:46,314,1.405
2/1/2015 16:47,315,1.425
2/1/2015 16:49,317,1.417
2/1/2015 16:50,318,1.41
2/1/2015 16:51,319,1.434
2/1/2015 16:53,321,1.408
2/1/2015 16:55,323,1.445
2/1/2015 16:56,324,1.442
2/1/2015 16:58,326,1.402
2/1/2015 16:59,327,1.353
2/1/2015 17:00,328,1.37
2/1/2015 17:02,330,1.386
2/1/2015 17:04,332,1.36
2/1/2015 17:05,333,1.395
2/1/2015 17:07,335,1.355
2/1/2015 17:08,336,1.371
2/1/2015 17:10,338,1.359
2/1/2015 17:11,339,1.447
2/1/2015 17:13,341,1.409
2/1/2015 17:14,342,1.439
2/1/2015 17:16,344,1.408
2/1/2015 17:17,345,1.368
2/1/2015 17:19,347,1.369
2/1/2015 17:20,348,1.366
2/1/2015 17:22,350,1.373
2/1/2015 17:23,351,1.364
2/1/2015 17:25,353,1.363
2/1/2015 17:26,354,1.419
2/1/2015 17:28,356,1.38
2/1/2015 17:29,357,1.385
2/1/2015 17:31,359,1.417
2/1/2015 17:32,360,1.42
2/1/2015 17:34,362,1.435
2/1/2015 17:35,363,1.387
2/1/2015 17:37,365,1.436
2/1/2015 17:38,366,1.385
2/1/2015 17:40,368,1.409
2/1/2015 17:41,369,1.385
2/1/2015 17:43,371,1.385
2/1/2015 17:44,372,1.408
2/1/2015 17:46,374,1.389
2/1/2015 17:48,376,1.313
2/1/2015 17:49,377,1.315
2/1/2015 17:50,378,1.315
2/1/2015 17:52,380,1.395
2/1/2015 17:53,381,1.431
2/1/2015 17:55,383,1.404
2/1/2015 17:57,385,1.447
2/1/2015 17:58,386,1.439
2/1/2015 17:59,387,1.443
2/1/2015 18:01,389,1.398
2/1/2015 18:02,390,1.398
2/1/2015 18:04,392,1.402
2/1/2015 18:06,394,1.444
2/1/2015 18:07,395,1.414
2/1/2015 18:08,396,1.405
2/1/2015 18:10,398,1.302
2/1/2015 18:11,399,1.316
2/1/2015 18:13,401,1.309
2/1/2015 18:15,403,1.329
2/1/2015 18:16,404,1.31
2/1/2015 18:17,405,1.333
2/1/2015 18:19,407,1.326
2/1/2015 18:21,409,1.334
2/1/2015 18:22,410,1.328
2/1/2015 18:24,412,1.309
2/1/2015 18:25,413,1.328
2/1/2015 18:26,414,1.321
2/1/2015 18:28,416,1.326
2/1/2015 18:30,418,1.336
2/1/2015 18:31,419,1.319
2/1/2015 18:33,421,1.331
2/1/2015 18:34,422,1.332
2/1/2015 18:35,423,1.319
2/1/2015 18:37,425,1.302
2/1/2015 18:39,427,1.322
2/1/2015 18:40,428,1.325
2/1/2015 18:42,430,1.324
2/1/2015 18:43,431,1.327
2/1/2015 18:44,432,1.343
2/1/2015 18:46,434,1.329
2/1/2015 18:48,436,1.336
2/1/2015 18:49,437,1.327
2/1/2015 18:51,439,1.339
2/1/2015 18:52,440,1.34
2/1/2015 18:53,441,1.325
2/1/2015 18:55,443,1.32
2/1/2015 18:57,445,1.331
2/1/2015 18:58,446,1.32
2/1/2015 19:00,448,1.341
2/1/2015 19:01,449,1.339
2/1/2015 19:03,451,1.344
2/1/2015 19:04,452,1.341
2/1/2015 19:06,454,1.349
2/1/2015 19:07,455,1.344
2/1/2015 19:09,457,1.344
2/1/2015 19:10,458,1.345
2/1/2015 19:12,460,1.346
2/1/2015 19:13,461,1.346
2/1/2015 19:15,463,1.347
2/1/2015 19:16,464,1.344
2/1/2015 19:18,466,1.344
2/1/2015 19:19,467,1.35
2/1/2015 19:21,469,1.357
2/1/2015 19:22,470,1.356
2/1/2015 19:24,472,1.346
2/1/2015 19:25,473,1.342
2/1/2015 19:27,475,1.363
2/1/2015 19:28,476,1.346
2/1/2015 19:30,478,1.342
2/1/2015 19:32,480,1.351
2/1/2015 19:33,481,1.346
2/1/2015 19:34,482,1.352
2/1/2015 19:36,484,1.35
2/1/2015 19:37,485,1.342
2/1/2015 19:39,487,1.354
2/1/2015 19:41,489,1.36
2/1/2015 19:42,490,1.349
2/1/2015 19:43,491,1.355
2/1/2015 19:45,493,1.35
2/1/2015 19:46,494,1.367
2/1/2015 19:48,496,1.358
2/1/2015 19:50,498,1.341
2/1/2015 19:51,499,1.355
2/1/2015 19:52,500,1.363
2/1/2015 19:54,502,1.341
2/1/2015 19:55,503,1.366
2/1/2015 19:57,505,1.359
2/1/2015 19:59,507,1.371
2/1/2015 20:00,508,1.349
2/1/2015 20:01,509,1.367
2/1/2015 20:03,511,1.363
2/1/2015 20:04,512,1.355
2/1/2015 20:06,514,1.346
2/1/2015 20:08,516,1.364
