Data Quality Report

Data Quality Report for Order ID: 187142
User ID: carneiror1 Date completed: 2017-08-09

All DQRs

DQR ID	Subject	Affected Data Streams	Data Quality Metric
D140815.1	MAO/AOS/S1/M1 - Instrument maintenance	maoaosacsmS1.a1	Incorrect
D140822.4	MAO/ACSM/S1 - instrument maintenance	maoaosacsmS1.a1	Missing
D150921.2	MAO/AOS/M1/S1 - Forest Fire	maoaosacsmS1.a1	Note
D150917.6	MAO/ACSM/AETH/CPC/NEPHELOMETER/PSAP/SMPS/UHSAS/S1 Calibration of the Nephelometer	maoaosacsmS1.a1	Incorrect
D150414.3	MAO/ACSM/S1 - Noisy signal	maoaosacsmS1.a1	Suspect
D150824.2	MAO/ACSM/S1 - Incorrect and missing data	maoaosacsmS1.a1	Incorrect
D150702.6	MAO/ACSM/S1 - Critical orifice cleaning	maoaosacsmS1.a1	Missing
D150619.7	MAO/ACSM/AETH/CCN/CPC/HTDMA/NEPHELOMETER/PASS/PSAP/SMPS/SP2/UHSAS/S1 - Manifold blower stopped	maoaospsap3wS1.b1	Incorrect
D140805.2	MAO/ACSM/S1 - data collection problem	maoaosacsmS1.a1	Missing
D140501.2	MAO/ACSM/S1 - Data acquisition problem	maoaosacsmS1.a1	Missing
D150429.6	MAO/AOS/S1 - Flow rate change	maoaosacsmS1.a1	Note
D151019.5	MAO/ACSM/S1 - critical orifice clog and resulting noise issues	maoaosacsmS1.a1	Incorrect
D151008.2	MAO/ACSM/S1 - Instrument noise	maoaosacsmS1.a1	Suspect
D140811.1	MAO/ACSM/S1 - Instrument tuning and calibration	maoaosacsmS1.a1	Missing
D150922.2	MAO/ACSM/S1 - Fluctuations in inlet pressure	maoaosacsmS1.a1	Incorrect
D150626.3	MAO/ACSM/S1 - Instrument shutdown	maoaosacsmS1.a1	Missing
D141203.3	MAO/ALL/S1 - Inlet down/off for cleaning and maintenance.	maoaosacsmS1.a1	Incorrect
D150916.2	MAO/ACSM/S1 - instrument offline for calibration	maoaosacsmS1.a1	Missing
D151124.2	MAO/ACSM/S1 - Data missing from controller failure	maoaosacsmS1.a1	Missing
D141009.5	MAO/ACSM/S1 - Reprocess: Aerosol chemical speciation monitor errors in data	maoaosacsmS1.a1	Incorrect
D150619.6	MAO/ACSM/S1 - Noise in data	maoaosacsmS1.b1	Suspect
D150223.1	MAO/ACSM/S1 - Clogged critical orifice	maoaosacsmS1.a1	Incorrect
D140221.5	MAO/ACSM/S1 - Missing data	maoaosacsmS1.a1	Missing

DQR ID: D140815.1 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2014-08-09	16:00:00	2014-08-15	15:00:00	Incorrect

Subject:	MAO/AOS/S1/M1 - Instrument maintenance
Affected Datastreams:	maoaosacsmS1.a1
Description	Instrument maintenance and cleaning inlets affecting data.
Measurements	ammonium (Mass concentration of ammonium, ambient aerosol in air) lat (North latitude) base_time (Base time in Epoch) ammonium (Mass concentration of ammonium, ambient aerosol in air.) time_bounds (Time cell bounds) sulfate (Mass concentration of sulfate, ambient aerosol in air.) nitrate (Mass concentration of nitrate, ambient aerosol in air.) chloride (Mass concentration of chloride, ambient aerosol in air.) total_organics (Mass concentration of total organics, ambient aerosol in air) chloride (Mass concentration of chloride, ambient aerosol in air) nitrate (Mass concentration of nitrate, ambient aerosol in air) lon (East longitude) time (Time offset from midnight) sulfate (Mass concentration of sulfate, ambient aerosol in air) time_offset (Time offset from base_time) alt (Altitude above mean sea level)

DQR ID: D140822.4 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2014-08-21	15:19:00	2014-08-21	18:06:00	Missing

Subject:	MAO/ACSM/S1 - instrument maintenance
Affected Datastreams:	maoaosacsmS1.a1
Description	Instrument was shut down for reconfiguration of UPS power.
Measurements	ammonium (Mass concentration of ammonium, ambient aerosol in air) lat (North latitude) sulfate (Mass concentration of sulfate, ambient aerosol in air.) ammonium (Mass concentration of ammonium, ambient aerosol in air.) base_time (Base time in Epoch) nitrate (Mass concentration of nitrate, ambient aerosol in air.) chloride (Mass concentration of chloride, ambient aerosol in air.) total_organics (Mass concentration of total organics, ambient aerosol in air) chloride (Mass concentration of chloride, ambient aerosol in air) lon (East longitude) nitrate (Mass concentration of nitrate, ambient aerosol in air) time (Time offset from midnight) sulfate (Mass concentration of sulfate, ambient aerosol in air) time_offset (Time offset from base_time) alt (Altitude above mean sea level)

DQR ID: D150921.2 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2015-09-13	16:53:00	2015-09-13	18:10:00	Note
2015-10-04	00:00:00	2015-10-08	23:59:59	Note
2015-09-03	18:00:00	2015-09-03	23:59:00	Note

Subject:	MAO/AOS/M1/S1 - Forest Fire
Affected Datastreams:	maoaosacsmS1.a1
Description	Smoke from forest burning can be seen on the TSI images rising and then subsequently moving over the site during this period. Many of the AOS instruments observed a sharp spike in data values. October 4-8 multiple fires in the area resulted in hazy conditions during this entire period. Most notable in the following instruments and variables ACSM - Total Organics AETH - Black Carbon Concentrations at all wavelengths CCN100 - Spike in number concentrations occurred a few hours after the smoke plume CLAP3W - Absorption Coefficient CPC - Similar to the CCN100, spike in particle concentration occurred a few hours later CPCF - Particle Concentration CPCU - Particle Concentration NEPHELOMETERS - Scattering/Backscattering Coeff PSAP3W - Absorption Coefficient SMPS - Concentration and Size Distribution UHSAS - Size Distribution
Measurements	ammonium (Mass concentration of ammonium, ambient aerosol in air) ammonium (Mass concentration of ammonium, ambient aerosol in air.) sulfate (Mass concentration of sulfate, ambient aerosol in air.) base_time (Base time in Epoch) nitrate (Mass concentration of nitrate, ambient aerosol in air.) chloride (Mass concentration of chloride, ambient aerosol in air.) chloride (Mass concentration of chloride, ambient aerosol in air) total_organics (Mass concentration of total organics, ambient aerosol in air) nitrate (Mass concentration of nitrate, ambient aerosol in air) sulfate (Mass concentration of sulfate, ambient aerosol in air)

DQR ID: D150917.6 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2015-09-17	19:34:00	2015-09-17	20:35:00	Incorrect

Subject:	MAO/ACSM/AETH/CPC/NEPHELOMETER/PSAP/SMPS/UHSAS/S1 Calibration of the Nephelometer
Affected Datastreams:	maoaosacsmS1.a1
Description	Inlet line for these instruments was used during Nephelometer calibration compromising the data.
Measurements	ammonium (Mass concentration of ammonium, ambient aerosol in air) ammonium (Mass concentration of ammonium, ambient aerosol in air.) sulfate (Mass concentration of sulfate, ambient aerosol in air.) nitrate (Mass concentration of nitrate, ambient aerosol in air.) chloride (Mass concentration of chloride, ambient aerosol in air.) total_organics (Mass concentration of total organics, ambient aerosol in air) chloride (Mass concentration of chloride, ambient aerosol in air) nitrate (Mass concentration of nitrate, ambient aerosol in air) sulfate (Mass concentration of sulfate, ambient aerosol in air)

DQR ID: D150414.3 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2014-02-28	23:59:59	2014-07-20	00:00:00	Suspect

Subject:	MAO/ACSM/S1 - Noisy signal
Affected Datastreams:	maoaosacsmS1.a1
Description	At the end of February transient noise began to appear in the signal. This was not immediately apparent and was not detected until July 2015 when the noise suddenly stopped. It is apparent that the noise is periodic and probably electrical. Please see Document for the details.
Measurements	ammonium (Mass concentration of ammonium, ambient aerosol in air) ammonium (Mass concentration of ammonium, ambient aerosol in air.) sulfate (Mass concentration of sulfate, ambient aerosol in air.) nitrate (Mass concentration of nitrate, ambient aerosol in air.) chloride (Mass concentration of chloride, ambient aerosol in air.) chloride (Mass concentration of chloride, ambient aerosol in air) total_organics (Mass concentration of total organics, ambient aerosol in air) nitrate (Mass concentration of nitrate, ambient aerosol in air) sulfate (Mass concentration of sulfate, ambient aerosol in air)

DQR ID: D150824.2 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2015-07-01	16:50:15	2015-07-08	01:01:52	Incorrect

Subject:	MAO/ACSM/S1 - Incorrect and missing data
Affected Datastreams:	maoaosacsmS1.a1
Description	Data are incorrect or not available for the specified period.
Measurements	ammonium (Mass concentration of ammonium, ambient aerosol in air) sulfate (Mass concentration of sulfate, ambient aerosol in air.) ammonium (Mass concentration of ammonium, ambient aerosol in air.) nitrate (Mass concentration of nitrate, ambient aerosol in air.) chloride (Mass concentration of chloride, ambient aerosol in air.) total_organics (Mass concentration of total organics, ambient aerosol in air) chloride (Mass concentration of chloride, ambient aerosol in air) nitrate (Mass concentration of nitrate, ambient aerosol in air) sulfate (Mass concentration of sulfate, ambient aerosol in air)

DQR ID: D150702.6 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2015-06-29	23:57:23	2015-07-01	16:50:14	Missing

Subject:	MAO/ACSM/S1 - Critical orifice cleaning
Affected Datastreams:	maoaosacsmS1.a1
Description	Instrument out of service for critical orifice cleaning during the period specified.
Measurements	ammonium (Mass concentration of ammonium, ambient aerosol in air) lat (North latitude) ammonium (Mass concentration of ammonium, ambient aerosol in air.) base_time (Base time in Epoch) sulfate (Mass concentration of sulfate, ambient aerosol in air.) nitrate (Mass concentration of nitrate, ambient aerosol in air.) chloride (Mass concentration of chloride, ambient aerosol in air.) chloride (Mass concentration of chloride, ambient aerosol in air) total_organics (Mass concentration of total organics, ambient aerosol in air) nitrate (Mass concentration of nitrate, ambient aerosol in air) lon (East longitude) time (Time offset from midnight) sulfate (Mass concentration of sulfate, ambient aerosol in air) time_offset (Time offset from base_time) alt (Altitude above mean sea level)

DQR ID: D150619.7 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2015-06-16	15:06:00	2015-06-17	13:21:59	Incorrect

Subject:	MAO/ACSM/AETH/CCN/CPC/HTDMA/NEPHELOMETER/PASS/PSAP/SMPS/SP2/UHSAS/S1 - Manifold blower stopped
Affected Datastreams:	maoaospsap3wS1.b1
Description	Manifold blower pulls air through the inlet to the instrument. Without the blower, the air source is indeterminant.
Measurements	ammonium (Mass concentration of ammonium, ambient aerosol in air) lat (North latitude) base_time (Base time in Epoch) ammonium (Mass concentration of ammonium, ambient aerosol in air.) sulfate (Mass concentration of sulfate, ambient aerosol in air.) nitrate (Mass concentration of nitrate, ambient aerosol in air.) chloride (Mass concentration of chloride, ambient aerosol in air.) total_organics (Mass concentration of total organics, ambient aerosol in air) chloride (Mass concentration of chloride, ambient aerosol in air) lon (East longitude) nitrate (Mass concentration of nitrate, ambient aerosol in air) time (Time offset from midnight) sulfate (Mass concentration of sulfate, ambient aerosol in air) time_offset (Time offset from base_time) alt (Altitude above mean sea level)

DQR ID: D140805.2 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2014-07-31	12:00:00	2014-08-05	18:10:00	Missing

Subject:	MAO/ACSM/S1 - data collection problem
Affected Datastreams:	maoaosacsmS1.a1
Description	No data were collected for this period.
Measurements	ammonium (Mass concentration of ammonium, ambient aerosol in air) lat (North latitude) base_time (Base time in Epoch) ammonium (Mass concentration of ammonium, ambient aerosol in air.) sulfate (Mass concentration of sulfate, ambient aerosol in air.) nitrate (Mass concentration of nitrate, ambient aerosol in air.) chloride (Mass concentration of chloride, ambient aerosol in air.) total_organics (Mass concentration of total organics, ambient aerosol in air) chloride (Mass concentration of chloride, ambient aerosol in air) nitrate (Mass concentration of nitrate, ambient aerosol in air) lon (East longitude) time (Time offset from midnight) sulfate (Mass concentration of sulfate, ambient aerosol in air) time_offset (Time offset from base_time) alt (Altitude above mean sea level)

DQR ID: D140501.2 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2014-04-29	12:00:00	2014-05-01	16:00:00	Missing

Subject:	MAO/ACSM/S1 - Data acquisition problem
Affected Datastreams:	maoaosacsmS1.a1
Description	Data acquisition stopped because instrument parameters were incorrectly reset. Correction was made by the mentor and data acquisition was resumed.
Measurements	ammonium (Mass concentration of ammonium, ambient aerosol in air) lat (North latitude) ammonium (Mass concentration of ammonium, ambient aerosol in air.) base_time (Base time in Epoch) sulfate (Mass concentration of sulfate, ambient aerosol in air.) nitrate (Mass concentration of nitrate, ambient aerosol in air.) chloride (Mass concentration of chloride, ambient aerosol in air.) chloride (Mass concentration of chloride, ambient aerosol in air) total_organics (Mass concentration of total organics, ambient aerosol in air) lon (East longitude) nitrate (Mass concentration of nitrate, ambient aerosol in air) time (Time offset from midnight) sulfate (Mass concentration of sulfate, ambient aerosol in air) time_offset (Time offset from base_time) alt (Altitude above mean sea level)

DQR ID: D150429.6 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2014-11-17	13:00:00	2015-04-20	18:45:59	Note

Subject:	MAO/AOS/S1 - Flow rate change
Affected Datastreams:	maoaosacsmS1.a1
Description	At begining of period, the bypass blower on MAOS A failed. This was replaced by the instrument operator, but operator was unable to reprogram the PID flow controller. The blower ran approximately 50% faster than designed flow rate. It is unlikely this significantly affected the flow dynamics or transmission efficiencies in the MAOS A sampling stack. The data is colored transparent, but the DQR is filed to alert the user. No specific degradation of signals were noted at this time.
Measurements	ammonium (Mass concentration of ammonium, ambient aerosol in air) ammonium (Mass concentration of ammonium, ambient aerosol in air.) sulfate (Mass concentration of sulfate, ambient aerosol in air.) nitrate (Mass concentration of nitrate, ambient aerosol in air.) chloride (Mass concentration of chloride, ambient aerosol in air.) total_organics (Mass concentration of total organics, ambient aerosol in air) chloride (Mass concentration of chloride, ambient aerosol in air) nitrate (Mass concentration of nitrate, ambient aerosol in air) sulfate (Mass concentration of sulfate, ambient aerosol in air)

DQR ID: D151019.5 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2015-10-04	21:59:11	2015-10-13	20:02:04	Incorrect

Subject:	MAO/ACSM/S1 - critical orifice clog and resulting noise issues
Affected Datastreams:	maoaosacsmS1.a1
Description	The critical orifice clogged at the beginning of the specified period and there was a substantial drop in the inlet pressure. the orifice was cleaned and reinstalled, but there was significant instrument noise. A second cleaning and reinstallation solved the problem.
Measurements	ammonium (Mass concentration of ammonium, ambient aerosol in air) base_time (Base time in Epoch) qc_org_mx (Quality check results on field: Organic mass spectral matrix) qc_total_organics (Quality check results on field: Mass concentration of total organics, ambient aerosol in air) qc_sulfate (Quality check results on field: Mass concentration of sulfate, ambient aerosol in air) inlet_open (Inlet open) qc_org_mx_err (Quality check results on field: Organic mass spectral error matrix) vaporizer (Vaporizer) time (Time offset from midnight) amus (Mass number to charge number ratio of ion fragments (m/z)) lat (North latitude) sulfate (Mass concentration of sulfate, ambient aerosol in air.) emission_current (Emission current) flow_rate (Flow rate, calculated from calibration and inlet pressure) total_organics (Mass concentration of total organics, ambient aerosol in air) chloride (Mass concentration of chloride, ambient aerosol in air) qc_nitrate (Quality check results on field: Mass concentration of nitrate, ambient aerosol in air) qc_ammonium (Quality check results on field: Mass concentration of ammonium, ambient aerosol in air) org_mx (Organic mass spectral matrix) time_bounds (Time cell bounds) qc_chloride (Quality check results on field: Mass concentration of chloride, ambient aerosol in air) lon (East longitude) alt (Altitude above mean sea level) time_offset (Time offset from base_time) ammonium (Mass concentration of ammonium, ambient aerosol in air.) nitrate (Mass concentration of nitrate, ambient aerosol in air.) chloride (Mass concentration of chloride, ambient aerosol in air.) nitrate (Mass concentration of nitrate, ambient aerosol in air) sulfate (Mass concentration of sulfate, ambient aerosol in air) org_mx_err (Organic mass spectral error matrix) inlet_closed (Inlet closed)

DQR ID: D151008.2 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2015-09-18	03:07:54	2015-09-19	13:13:04	Suspect
2015-08-25	15:12:00	2015-08-29	18:03:59	Suspect

Subject:	MAO/ACSM/S1 - Instrument noise
Affected Datastreams:	maoaosacsmS1.a1
Description	Data is noisy and should be considered suspect. Data is not useful for PMF calculations
Measurements	ammonium (Mass concentration of ammonium, ambient aerosol in air) ammonium (Mass concentration of ammonium, ambient aerosol in air.) sulfate (Mass concentration of sulfate, ambient aerosol in air.) nitrate (Mass concentration of nitrate, ambient aerosol in air.) chloride (Mass concentration of chloride, ambient aerosol in air.) emission_current (Emission current) chloride (Mass concentration of chloride, ambient aerosol in air) flow_rate (Flow rate, calculated from calibration and inlet pressure) inlet_open (Inlet open) total_organics (Mass concentration of total organics, ambient aerosol in air) nitrate (Mass concentration of nitrate, ambient aerosol in air) vaporizer (Vaporizer) sulfate (Mass concentration of sulfate, ambient aerosol in air) inlet_closed (Inlet closed)

DQR ID: D140811.1 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2014-08-09	19:17:05	2014-08-10	16:19:26	Missing

Subject:	MAO/ACSM/S1 - Instrument tuning and calibration
Affected Datastreams:	maoaosacsmS1.a1
Description	The instrument was off line for calibration and tuning during the period specified.
Measurements	ammonium (Mass concentration of ammonium, ambient aerosol in air) lat (North latitude) ammonium (Mass concentration of ammonium, ambient aerosol in air.) base_time (Base time in Epoch) sulfate (Mass concentration of sulfate, ambient aerosol in air.) nitrate (Mass concentration of nitrate, ambient aerosol in air.) chloride (Mass concentration of chloride, ambient aerosol in air.) chloride (Mass concentration of chloride, ambient aerosol in air) total_organics (Mass concentration of total organics, ambient aerosol in air) lon (East longitude) nitrate (Mass concentration of nitrate, ambient aerosol in air) time (Time offset from midnight) sulfate (Mass concentration of sulfate, ambient aerosol in air) time_offset (Time offset from base_time) alt (Altitude above mean sea level)

DQR ID: D150922.2 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2015-08-25	21:50:55	2015-08-26	23:53:44	Incorrect

Subject:	MAO/ACSM/S1 - Fluctuations in inlet pressure
Affected Datastreams:	maoaosacsmS1.a1
Description	Fluctuations in inlet pressure possibly as a result of power and/or pump problems. Data are suspect for the specified time period.
Measurements	ammonium (Mass concentration of ammonium, ambient aerosol in air) ammonium (Mass concentration of ammonium, ambient aerosol in air.) sulfate (Mass concentration of sulfate, ambient aerosol in air.) nitrate (Mass concentration of nitrate, ambient aerosol in air.) chloride (Mass concentration of chloride, ambient aerosol in air.) total_organics (Mass concentration of total organics, ambient aerosol in air) chloride (Mass concentration of chloride, ambient aerosol in air) nitrate (Mass concentration of nitrate, ambient aerosol in air) sulfate (Mass concentration of sulfate, ambient aerosol in air)

DQR ID: D150626.3 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2015-06-24	18:04:05	2015-06-26	15:35:20	Missing

Subject:	MAO/ACSM/S1 - Instrument shutdown
Affected Datastreams:	maoaosacsmS1.a1
Description	The data acquisition program locked up on 2015-06-24 and no data were collected. Program was restarted 2015-06-26 15:06:39.
Measurements	ammonium (Mass concentration of ammonium, ambient aerosol in air) lat (North latitude) ammonium (Mass concentration of ammonium, ambient aerosol in air.) sulfate (Mass concentration of sulfate, ambient aerosol in air.) base_time (Base time in Epoch) nitrate (Mass concentration of nitrate, ambient aerosol in air.) chloride (Mass concentration of chloride, ambient aerosol in air.) total_organics (Mass concentration of total organics, ambient aerosol in air) chloride (Mass concentration of chloride, ambient aerosol in air) lon (East longitude) nitrate (Mass concentration of nitrate, ambient aerosol in air) time (Time offset from midnight) sulfate (Mass concentration of sulfate, ambient aerosol in air) time_offset (Time offset from base_time) alt (Altitude above mean sea level)

DQR ID: D141203.3 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2014-08-10	13:25:45	2014-08-10	21:15:27	Incorrect

Subject:	MAO/ALL/S1 - Inlet down/off for cleaning and maintenance.
Affected Datastreams:	maoaosacsmS1.a1
Description	Inlet stack of MAOS A lowered. All instruments on internal cabin air. No atmospheric validity on HTDMA, PSAP, f(RH) dry neph, wet neph, aethalometer, PASS3, SP2, ACSM, CCN-200, Impactor, CPC, UCPC, SMPS.
Measurements	ammonium (Mass concentration of ammonium, ambient aerosol in air) ammonium (Mass concentration of ammonium, ambient aerosol in air.) sulfate (Mass concentration of sulfate, ambient aerosol in air.) nitrate (Mass concentration of nitrate, ambient aerosol in air.) chloride (Mass concentration of chloride, ambient aerosol in air.) total_organics (Mass concentration of total organics, ambient aerosol in air) chloride (Mass concentration of chloride, ambient aerosol in air) nitrate (Mass concentration of nitrate, ambient aerosol in air) sulfate (Mass concentration of sulfate, ambient aerosol in air)

DQR ID: D150916.2 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2015-09-15	14:54:12	2015-09-16	13:59:15	Missing

Subject:	MAO/ACSM/S1 - instrument offline for calibration
Affected Datastreams:	maoaosacsmS1.a1
Description	Data are unavailable during the specified period
Measurements	ammonium (Mass concentration of ammonium, ambient aerosol in air) ammonium (Mass concentration of ammonium, ambient aerosol in air.) base_time (Base time in Epoch) sulfate (Mass concentration of sulfate, ambient aerosol in air.) nitrate (Mass concentration of nitrate, ambient aerosol in air.) chloride (Mass concentration of chloride, ambient aerosol in air.) chloride (Mass concentration of chloride, ambient aerosol in air) total_organics (Mass concentration of total organics, ambient aerosol in air) nitrate (Mass concentration of nitrate, ambient aerosol in air) sulfate (Mass concentration of sulfate, ambient aerosol in air)

DQR ID: D151124.2 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2015-11-11	16:54:00	2015-12-01	23:59:59	Missing

Subject:	MAO/ACSM/S1 - Data missing from controller failure
Affected Datastreams:	maoaosacsmS1.a1
Description	The electronics controlling the quadrupole mass spectrometer have failed.
Measurements	ammonium (Mass concentration of ammonium, ambient aerosol in air) lat (North latitude) ammonium (Mass concentration of ammonium, ambient aerosol in air.) base_time (Base time in Epoch) sulfate (Mass concentration of sulfate, ambient aerosol in air.) time_bounds (Time cell bounds) nitrate (Mass concentration of nitrate, ambient aerosol in air.) chloride (Mass concentration of chloride, ambient aerosol in air.) emission_current (Emission current) chloride (Mass concentration of chloride, ambient aerosol in air) total_organics (Mass concentration of total organics, ambient aerosol in air) inlet_open (Inlet open) nitrate (Mass concentration of nitrate, ambient aerosol in air) inlet_closed (Inlet closed) flow_rate (Flow rate, calculated from calibration and inlet pressure) time (Time offset from midnight) lon (East longitude) sulfate (Mass concentration of sulfate, ambient aerosol in air) vaporizer (Vaporizer) time_offset (Time offset from base_time) alt (Altitude above mean sea level)

DQR ID: D141009.5 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2014-02-09	00:00:00	2014-10-09	23:59:59	Incorrect

Subject:	MAO/ACSM/S1 - Reprocess: Aerosol chemical speciation monitor errors in data
Affected Datastreams:	maoaosacsmS1.a1
Description	The data will be reprocessed with the manufacturer's software to correct for collection efficiencies and instrument response. The data in the current form is incorrect and should not be used.
Measurements	ammonium (Mass concentration of ammonium, ambient aerosol in air) ammonium (Mass concentration of ammonium, ambient aerosol in air.) sulfate (Mass concentration of sulfate, ambient aerosol in air.) nitrate (Mass concentration of nitrate, ambient aerosol in air.) chloride (Mass concentration of chloride, ambient aerosol in air.) chloride (Mass concentration of chloride, ambient aerosol in air) total_organics (Mass concentration of total organics, ambient aerosol in air) nitrate (Mass concentration of nitrate, ambient aerosol in air) sulfate (Mass concentration of sulfate, ambient aerosol in air)

DQR ID: D150619.6 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2014-02-09	00:00:00	2015-08-04	14:10:00	Suspect

Subject:	MAO/ACSM/S1 - Noise in data
Affected Datastreams:	maoaosacsmS1.b1
Description	There continue to be issues with noise in the ACSM in the MAOS A container located at the site near Manacapuru in Amazonas, Brazil. The noise is intermittent, ongoing, and persistent.
Measurements	ammonium (Mass concentration of ammonium, ambient aerosol in air) sulfate (Mass concentration of sulfate, ambient aerosol in air.) ammonium (Mass concentration of ammonium, ambient aerosol in air.) nitrate (Mass concentration of nitrate, ambient aerosol in air.) chloride (Mass concentration of chloride, ambient aerosol in air.) total_organics (Mass concentration of total organics, ambient aerosol in air) chloride (Mass concentration of chloride, ambient aerosol in air) nitrate (Mass concentration of nitrate, ambient aerosol in air) sulfate (Mass concentration of sulfate, ambient aerosol in air)

DQR ID: D150223.1 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2015-02-03	23:00:00	2015-02-08	17:00:00	Incorrect

Subject:	MAO/ACSM/S1 - Clogged critical orifice
Affected Datastreams:	maoaosacsmS1.a1
Description	Inlet pressure was low because of a clogged critical orifice.
Measurements	ammonium (Mass concentration of ammonium, ambient aerosol in air) ammonium (Mass concentration of ammonium, ambient aerosol in air.) sulfate (Mass concentration of sulfate, ambient aerosol in air.) nitrate (Mass concentration of nitrate, ambient aerosol in air.) chloride (Mass concentration of chloride, ambient aerosol in air.) total_organics (Mass concentration of total organics, ambient aerosol in air) chloride (Mass concentration of chloride, ambient aerosol in air) nitrate (Mass concentration of nitrate, ambient aerosol in air) sulfate (Mass concentration of sulfate, ambient aerosol in air)

DQR ID: D140221.5 (Back to Top)

Start Date	Start Time	End Date	End Time	Data Quality Metric
2014-02-17	21:00:00	2014-02-18	19:30:00	Missing
2014-02-19	22:30:00	2014-02-20	22:00:00	Missing
2014-02-11	12:00:00	2014-02-12	14:00:00	Missing

Subject:	MAO/ACSM/S1 - Missing data
Affected Datastreams:	maoaosacsmS1.a1
Description	Data are missing and unrecoverable for the specified periods.
Measurements	ammonium (Mass concentration of ammonium, ambient aerosol in air) lat (North latitude) sulfate (Mass concentration of sulfate, ambient aerosol in air.) ammonium (Mass concentration of ammonium, ambient aerosol in air.) base_time (Base time in Epoch) nitrate (Mass concentration of nitrate, ambient aerosol in air.) chloride (Mass concentration of chloride, ambient aerosol in air.) total_organics (Mass concentration of total organics, ambient aerosol in air) chloride (Mass concentration of chloride, ambient aerosol in air) lon (East longitude) nitrate (Mass concentration of nitrate, ambient aerosol in air) time (Time offset from midnight) sulfate (Mass concentration of sulfate, ambient aerosol in air) time_offset (Time offset from base_time) alt (Altitude above mean sea level)