---
instrument_id: '384'
data_file_original_name: 'EPA2018A_APM.csv'
skip_headers: '1'
charts: ''
headers:
    - 'Local_Time_PST'
    - 'Experimental_Time_min'
    - 'Particle_Density_g/cm3'
dataset_id: '3081'
experiment_link: 'https://icarus.ucdavis.edu/chambers/539/experiments/442'
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 16:23:50'
dataset_updated_at: '2021-08-26 16:23:50'
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
2/2/2015 8:42,-76,0.188
2/2/2015 8:43,-75,0.511
2/2/2015 8:45,-73,0.546
2/2/2015 8:46,-72,1.183
2/2/2015 8:48,-70,0.188
2/2/2015 8:49,-69,2.565
2/2/2015 8:51,-67,0.401
2/2/2015 8:52,-66.00000001,0
2/2/2015 8:54,-64,0
2/2/2015 8:55,-63,0
2/2/2015 8:57,-61,0
2/2/2015 8:58,-60,0
2/2/2015 9:00,-58,0
2/2/2015 9:01,-57,2.395
2/2/2015 9:03,-55,0
2/2/2015 9:04,-54,0
2/2/2015 9:06,-52,0
2/2/2015 9:07,-51,0
2/2/2015 9:09,-49,0
2/2/2015 9:10,-48,0
2/2/2015 9:12,-46,0.374
2/2/2015 9:13,-45,0.114
2/2/2015 9:15,-43,0
2/2/2015 9:17,-41,0.868
2/2/2015 9:18,-40,0.43
2/2/2015 9:19,-39,0.721
2/2/2015 9:21,-37.00000001,0
2/2/2015 9:22,-36,0
2/2/2015 9:24,-34,0
2/2/2015 9:26,-32,2.408
2/2/2015 9:27,-31,0
2/2/2015 9:28,-30,0
2/2/2015 9:30,-28,0
2/2/2015 9:31,-27,0
2/2/2015 9:33,-25,0.031
2/2/2015 9:35,-23,0
2/2/2015 9:36,-22,1.041
2/2/2015 9:37,-21.00000001,0.233
2/2/2015 9:39,-19,0.035
2/2/2015 9:40,-18,0.117
2/2/2015 9:42,-16,1.813
2/2/2015 9:44,-14,0
2/2/2015 9:45,-13,0
2/2/2015 9:46,-12,0
2/2/2015 9:48,-10,0.467
2/2/2015 9:50,-8.000000005,0.034
2/2/2015 9:51,-7.000000002,1.59
2/2/2015 9:53,-4.999999995,2.9
2/2/2015 9:54,-4.000000003,0.093
2/2/2015 9:55,-2.999999999,0.604
2/2/2015 9:57,-1.000000003,0.766
2/2/2015 9:59,1.000000003,0.029
2/2/2015 10:00,1.999999996,0.422
2/2/2015 10:02,4.000000003,1.251
2/2/2015 10:03,4.999999995,0.164
2/2/2015 10:04,5.999999999,0.913
2/2/2015 10:06,7.999999995,1.438
2/2/2015 10:08,10,0
2/2/2015 10:09,11,0.328
2/2/2015 10:11,13,0.415
2/2/2015 10:12,14,0
2/2/2015 10:13,15,0
2/2/2015 10:15,17,1.008
2/2/2015 10:17,19,0.943
2/2/2015 10:18,20,0.921
2/2/2015 10:20,22,1.025
2/2/2015 10:21,23,0.987
2/2/2015 10:22,23.99999999,0.99
2/2/2015 10:24,26,0.99
2/2/2015 10:26,28,1.014
2/2/2015 10:27,29,0.982
2/2/2015 10:29,31,1.343
2/2/2015 10:30,32,1.349
2/2/2015 10:32,34,1.352
2/2/2015 10:33,35,1.374
2/2/2015 10:35,36.99999999,1.361
2/2/2015 10:36,38,1.358
2/2/2015 10:38,40,1.366
2/2/2015 10:39,41,1.361
2/2/2015 10:41,43,1.36
2/2/2015 10:42,44,1.401
2/2/2015 10:44,46,0
2/2/2015 10:45,47,1.395
2/2/2015 10:47,49,1.394
2/2/2015 10:48,50,1.392
2/2/2015 10:50,52,1.399
2/2/2015 10:51,52.99999999,1.443
2/2/2015 10:53,55,1.428
2/2/2015 10:54,56,1.442
2/2/2015 10:56,58,1.413
2/2/2015 10:57,59,1.419
2/2/2015 10:59,61,1.439
2/2/2015 11:01,63,1.417
2/2/2015 11:02,64,1.414
2/2/2015 11:03,65,1.432
2/2/2015 11:05,67,1.43
2/2/2015 11:06,68,1.413
2/2/2015 11:08,70,1.427
2/2/2015 11:10,72,1.433
2/2/2015 11:11,73,1.436
2/2/2015 11:12,74,1.443
2/2/2015 11:14,76,1.427
2/2/2015 11:15,77,1.428
2/2/2015 11:17,79,1.436
2/2/2015 11:19,81,1.417
2/2/2015 11:20,81.99999999,1.431
2/2/2015 11:21,83,1.418
2/2/2015 11:23,85,1.375
2/2/2015 11:24,86,1.38
2/2/2015 11:26,88,1.378
2/2/2015 11:28,90,1.41
2/2/2015 11:29,91,1.411
2/2/2015 11:30,92,1.403
2/2/2015 11:32,94,1.415
2/2/2015 11:34,96,1.438
2/2/2015 11:35,97,1.43
2/2/2015 11:37,99,1.398
2/2/2015 11:38,100,1.386
2/2/2015 11:39,101,1.369
2/2/2015 11:41,103,1.413
2/2/2015 11:43,105,1.404
2/2/2015 11:44,106,1.396
2/2/2015 11:46,108,1.404
2/2/2015 11:47,109,1.396
2/2/2015 11:48,110,1.407
2/2/2015 11:50,112,1.428
2/2/2015 11:52,114,1.415
2/2/2015 11:53,115,1.42
2/2/2015 11:55,117,1.414
2/2/2015 11:56,118,1.411
2/2/2015 11:57,119,1.41
2/2/2015 11:59,121,1.409
2/2/2015 12:01,123,1.406
2/2/2015 12:02,124,1.407
2/2/2015 12:04,126,1.414
2/2/2015 12:05,127,1.42
2/2/2015 12:06,128,1.422
2/2/2015 12:08,130,1.455
2/2/2015 12:10,132,1.446
2/2/2015 12:11,133,1.435
2/2/2015 12:13,135,1.445
2/2/2015 12:14,136,1.435
2/2/2015 12:16,138,1.434
2/2/2015 12:17,139,1.445
2/2/2015 12:19,141,1.435
2/2/2015 12:20,142,1.441
2/2/2015 12:22,144,1.428
2/2/2015 12:23,145,1.427
2/2/2015 12:25,147,1.428
2/2/2015 12:26,148,1.445
2/2/2015 12:28,150,1.437
2/2/2015 12:29,151,1.441
2/2/2015 12:31,153,1.432
2/2/2015 12:32,154,1.421
2/2/2015 12:34,156,1.434
2/2/2015 12:35,157,1.443
2/2/2015 12:37,159,1.439
2/2/2015 12:38,160,1.443
2/2/2015 12:40,162,1.438
2/2/2015 12:41,163,1.445
2/2/2015 12:43,165,1.448
2/2/2015 12:45,167,1.451
2/2/2015 12:46,168,1.436
2/2/2015 12:47,169,1.432
2/2/2015 12:49,171,1.451
2/2/2015 12:50,172,1.46
2/2/2015 12:52,174,1.447
2/2/2015 12:54,176,1.418
2/2/2015 12:55,177,1.417
2/2/2015 12:56,178,1.425
2/2/2015 12:58,180,1.454
2/2/2015 12:59,181,1.434
2/2/2015 13:01,183,1.451
2/2/2015 13:03,185,1.41
2/2/2015 13:04,186,1.447
2/2/2015 13:05,187,1.45
2/2/2015 13:07,189,1.451
2/2/2015 13:08,190,1.449
2/2/2015 13:10,192,1.439
2/2/2015 13:12,194,1.446
2/2/2015 13:13,195,1.456
2/2/2015 13:14,196,1.437
2/2/2015 13:16,198,1.452
2/2/2015 13:17,199,1.453
2/2/2015 13:19,201,1.442
2/2/2015 13:21,203,1.451
2/2/2015 13:22,204,1.441
2/2/2015 13:23,205,1.44
2/2/2015 13:25,207,1.462
2/2/2015 13:27,209,1.468
2/2/2015 13:28,210,1.459
2/2/2015 13:30,212,1.43
2/2/2015 13:31,213,1.421
2/2/2015 13:32,214,1.447
2/2/2015 13:34,216,1.442
2/2/2015 13:36,218,1.435
2/2/2015 13:37,219,1.427
2/2/2015 13:39,221,1.457
2/2/2015 13:40,222,1.456
2/2/2015 13:41,223,1.449
2/2/2015 13:43,225,1.448
2/2/2015 13:45,227,1.455
2/2/2015 13:46,228,1.437
2/2/2015 13:48,230,1.457
2/2/2015 13:49,231,1.443
2/2/2015 13:50,232,1.46
2/2/2015 13:52,234,1.467
2/2/2015 13:54,236,1.464
2/2/2015 13:55,237,1.463
2/2/2015 13:57,239,1.453
2/2/2015 13:58,240,1.456
2/2/2015 14:00,242,1.474
2/2/2015 14:01,243,1.457
2/2/2015 14:03,245,1.445
2/2/2015 14:04,246,1.471
2/2/2015 14:06,248,1.489
2/2/2015 14:07,249,1.463
2/2/2015 14:09,251,1.5
2/2/2015 14:10,252,1.467
2/2/2015 14:12,254,1.463
2/2/2015 14:13,255,1.473
2/2/2015 14:15,257,1.457
2/2/2015 14:16,258,1.466
2/2/2015 14:18,260,1.465
2/2/2015 14:19,261,1.444
2/2/2015 14:21,263,1.458
2/2/2015 14:22,264,1.458
2/2/2015 14:24,266,1.462
2/2/2015 14:25,267,1.439
2/2/2015 14:27,269,1.442
2/2/2015 14:28,270,1.461
2/2/2015 14:30,272,1.444
2/2/2015 14:31,273,1.467
2/2/2015 14:33,275,1.425
2/2/2015 14:34,276,1.441
2/2/2015 14:36,278,1.443
2/2/2015 14:38,280,1.455
2/2/2015 14:39,281,1.439
2/2/2015 14:40,282,1.477
2/2/2015 14:42,284,1.447
2/2/2015 14:43,285,1.452
2/2/2015 14:45,287,1.466
2/2/2015 14:47,289,1.461
2/2/2015 14:48,290,1.464
2/2/2015 14:49,291,1.453
2/2/2015 14:51,293,1.453
2/2/2015 14:52,294,1.425
2/2/2015 14:54,296,1.414
2/2/2015 14:56,298,1.414
2/2/2015 14:57,299,1.431
2/2/2015 14:58,300,1.409
2/2/2015 15:00,302,1.422
2/2/2015 15:01,303,1.437
2/2/2015 15:03,305,1.44
2/2/2015 15:05,307,1.481
2/2/2015 15:06,308,1.443
2/2/2015 15:07,309,1.467
2/2/2015 15:09,311,1.404
2/2/2015 15:11,313,1.424
2/2/2015 15:12,314,1.423
2/2/2015 15:14,316,1.403
2/2/2015 15:15,317,1.397
2/2/2015 15:16,318,1.428
2/2/2015 15:18,320,1.426
2/2/2015 15:20,322,1.418
2/2/2015 15:21,323,1.418
2/2/2015 15:23,325,1.435
2/2/2015 15:24,326,1.418
2/2/2015 15:25,327,1.456
2/2/2015 15:27,329,1.439
2/2/2015 15:29,331,1.448
2/2/2015 15:30,332,1.444
2/2/2015 15:32,334,1.442
2/2/2015 15:33,335,1.415
2/2/2015 15:34,336,1.436
2/2/2015 15:36,338,1.467
2/2/2015 15:38,340,1.457
2/2/2015 15:39,341,1.461
2/2/2015 15:41,343,1.449
2/2/2015 15:42,344,1.451
2/2/2015 15:43,345,1.42
2/2/2015 15:45,347,1.478
2/2/2015 15:47,349,1.43
2/2/2015 15:48,350,1.444
2/2/2015 15:50,352,1.451
2/2/2015 15:51,353,1.448
2/2/2015 15:53,355,1.443
2/2/2015 15:54,356,1.457
2/2/2015 15:56,358,1.45
2/2/2015 15:57,359,1.455
2/2/2015 15:59,361,1.406
2/2/2015 16:00,362,1.423
2/2/2015 16:02,364,1.434
2/2/2015 16:03,365,1.426
2/2/2015 16:05,367,1.408
2/2/2015 16:06,368,1.433
2/2/2015 16:08,370,1.476
2/2/2015 16:09,371,1.462
2/2/2015 16:11,373,1.451
2/2/2015 16:12,374,1.416
2/2/2015 16:14,376,0
2/2/2015 16:15,377,1.392
2/2/2015 16:17,379,1.438
2/2/2015 16:18,380,1.461
2/2/2015 16:20,382,1.448
2/2/2015 16:22,384,1.44
2/2/2015 16:23,385,1.46
2/2/2015 16:24,386,1.457
2/2/2015 16:26,388,1.407
2/2/2015 16:27,389,1.428
2/2/2015 16:29,391,1.404
2/2/2015 16:31,393,1.459
2/2/2015 16:32,394,1.494
2/2/2015 16:33,395,1.483
2/2/2015 16:35,397,1.458
2/2/2015 16:36,398,1.449
2/2/2015 16:38,400,1.458
2/2/2015 16:40,402,1.443
2/2/2015 16:41,403,1.446
2/2/2015 16:42,404,1.469
2/2/2015 16:44,406,1.465
2/2/2015 16:45,407,1.443
2/2/2015 16:47,409,1.424
2/2/2015 16:49,411,1.364
2/2/2015 16:50,412,1.339
2/2/2015 16:51,413,1.332
2/2/2015 16:53,415,1.419
2/2/2015 16:54,416,1.433
2/2/2015 16:56,418,1.431
2/2/2015 16:58,420,1.467
2/2/2015 16:59,421,1.47
2/2/2015 17:00,422,1.44
2/2/2015 17:02,424,1.454
2/2/2015 17:04,426,1.452
2/2/2015 17:05,427,1.454
2/2/2015 17:07,429,1.464
2/2/2015 17:08,430,1.444
2/2/2015 17:09,431,1.456
2/2/2015 17:11,433,1.459
2/2/2015 17:13,435,1.436
2/2/2015 17:14,436,1.425
2/2/2015 17:16,438,1.437
2/2/2015 17:17,439,1.444
2/2/2015 17:18,440,1.459
2/2/2015 17:20,442,1.362
2/2/2015 17:22,444,1.368
2/2/2015 17:23,445,1.401
2/2/2015 17:25,447,1.454
2/2/2015 17:26,448,1.469
2/2/2015 17:28,450,1.449
2/2/2015 17:29,451,1.389
2/2/2015 17:31,453,1.391
2/2/2015 17:32,454,1.39
2/2/2015 17:34,456,1.472
2/2/2015 17:35,457,1.477
2/2/2015 17:37,459,1.48
2/2/2015 17:38,460,1.371
2/2/2015 17:40,462,1.365
2/2/2015 17:41,463,1.373
2/2/2015 17:43,465,1.439
2/2/2015 17:44,466,1.46
2/2/2015 17:46,468,1.466
2/2/2015 17:47,469,1.456
2/2/2015 17:49,471,1.441
2/2/2015 17:50,472,1.47
2/2/2015 17:52,474,1.389
2/2/2015 17:53,475,1.462
2/2/2015 17:55,477,1.452
2/2/2015 17:56,478,1.392
2/2/2015 17:58,480,1.384
2/2/2015 17:59,481,1.436
2/2/2015 18:01,483,1.481
2/2/2015 18:02,484,1.429
2/2/2015 18:04,486,1.429
2/2/2015 18:06,488,1.407
2/2/2015 18:07,489,1.448
2/2/2015 18:08,490,1.376
