Details and Metadata

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Dataset Fields

Detailed documentation of the fields comprising the dataset, including the type of measurement, units where applicable, and any controlled vocabularies or code lists present in the data


Field Name Caption Description Additional Information
ALf:StatusFlagALf:StatusFlag

ammNO3f:StatusFlagammNO3f:StatusFlag

ammSO4f:StatusFlagammSO4f:StatusFlag

ASf:StatusFlagASf:StatusFlag

BRf:StatusFlagBRf:StatusFlag

CAf:StatusFlagCAf:StatusFlag

CHLf:StatusFlagCHLf:StatusFlag

CLf:StatusFlagCLf:StatusFlag

CM_calculated:StatusFlagCM_calculated:StatusFlag

CRf:StatusFlagCRf:StatusFlag

CUf:StatusFlagCUf:StatusFlag

DatasetDataset

EC1f:StatusFlagEC1f:StatusFlag

EC2f:StatusFlagEC2f:StatusFlag

EC3f:StatusFlagEC3f:StatusFlag

ECf:StatusFlagECf:StatusFlag

fAbs:StatusFlagfAbs:StatusFlag

fAbs_HIPSfAbs_HIPS

fAbs_HIPS:StatusFlagfAbs_HIPS:StatusFlag

fAbs_LIPMfAbs_LIPM

fAbs_LIPM:StatusFlagfAbs_LIPM:StatusFlag

FEf:StatusFlagFEf:StatusFlag

Hf:StatusFlagHf:StatusFlag

Kf:StatusFlagKf:StatusFlag

MF:StatusFlagMF:StatusFlag

MGf:StatusFlagMGf:StatusFlag

MNf:StatusFlagMNf:StatusFlag

MOf:StatusFlagMOf:StatusFlag

MT:StatusFlagMT:StatusFlag

N2f:StatusFlagN2f:StatusFlag

NAf:StatusFlagNAf:StatusFlag

NH4f:StatusFlagNH4f:StatusFlag

NIf:StatusFlagNIf:StatusFlag

NO3f:StatusFlagNO3f:StatusFlag

OC1f:StatusFlagOC1f:StatusFlag

OC2f:StatusFlagOC2f:StatusFlag

OC3f:StatusFlagOC3f:StatusFlag

OC4f:StatusFlagOC4f:StatusFlag

OCf:StatusFlagOCf:StatusFlag

OMCf:StatusFlagOMCf:StatusFlag

OMCf_1_4:StatusFlagOMCf_1_4:StatusFlag

OPf:StatusFlagOPf:StatusFlag

PBf:StatusFlagPBf:StatusFlag

Pf:StatusFlagPf:StatusFlag

RBf:StatusFlagRBf:StatusFlag

RCFM:StatusFlagRCFM:StatusFlag

SeaSaltf:StatusFlagSeaSaltf:StatusFlag

SEf:StatusFlagSEf:StatusFlag

Sf:StatusFlagSf:StatusFlag

SIf:StatusFlagSIf:StatusFlag

SO2:StatusFlagSO2:StatusFlag

SO4f:StatusFlagSO4f:StatusFlag

SOILf:StatusFlagSOILf:StatusFlag

SRf:StatusFlagSRf:StatusFlag

TIf:StatusFlagTIf:StatusFlag

Vf:StatusFlagVf:StatusFlag

ZNf:StatusFlagZNf:StatusFlag

ZRf:StatusFlagZRf:StatusFlag

SiteCodeSite Code

Unique site identifier

Measurement type: Nominal
DateSample Date

Date sampling occurred

Measurement type: DateTime
Date/Time Format: YYYY-MM-DDThh:mm:ss
POCPrimary Organic Carbon

Organic carbons attached to one other carbon

Measurement type: Ratio
Units: dimensionless
Precision: 1
ALfAluminum (Fine)

Fine particle aluminum

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
NH4fAmmonium Ion (Fine)

Mass of ammonium particles < 2.5 um in diameter

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
ammNO3fAmmonium Nitrate (Fine)

Fine particle ammonium nitrate

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
ammNO3f_bextAmmonium nitrate extinction (Fine)

Fine ammonium nitrate light extinction coefficient

Measurement type: Ratio
Units: dimensionless
Precision: 0.00001
ammSO4fAmmonium Sulfate (Fine)

Fine particle ammonium sulfate

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
ammSO4f_bextAmmonium sulfate extinction: Fine

Fine ammonium sulfate light extinction coefficient

Measurement type: Ratio
Units: dimensionless
Precision: 0.00001
ASfArsenic (Fine)

Fine particle arsenic

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
BRfBromine (Fine)

Fine particle bromine

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
CAfCalcium (Fine)

Mass of calcium particles < 2.5 um in diameter

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
ECf_bextElemental Carbon Extinction (Fine)

Fine elemental carbon light extinction coefficient

Measurement type: Ratio
Units: dimensionless
Precision: 0.00001
EC1fCarbon, Elemental Fraction 1 (Fine)

Fine elemental carbon fraction 1

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
EC2fCarbon, Elemental Fraction 2 (Fine)

Fine elemental carbon fraction 2

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
EC3fCarbon, Elemental Fraction 3 (Fine)

Fine elemental carbon fraction 3

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
ECfCarbon, Elemental Total (Fine)

Total fine elemental carbon fraction

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
OC1fCarbon, Organic Fraction 1 (Fine)

Fine organic carbon fraction 1

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
OC2fCarbon, Organic Fraction 2 (Fine)

Fine organic carbon fraction 2

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
OC3fCarbon, Organic Fraction 3 (Fine)

Fine organic carbon fraction 3

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
OC4fCarbon, Organic Fraction 4 (Fine)

Fine organic carbon fraction 4

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
OMCf_1_4Carbon: Fine organic mass

Fine organic carbon mass 1.4 * OC

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
OPfCarbon, Organic Pyrolized (Fine)

Pyrolized fine organic carbon

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
OCfCarbon, Organic Total (Fine)

Total fine organic carbon

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
CHLfChloride (Fine)

Fine particle chloride

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
CLfChlorine (Fine)

Fine particle chlorine

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
CRfChromium (Fine)

Fine particle chromium

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
CM_bextCoarse mass extinction

Coarse mass light extinction coefficient

Measurement type: Ratio
Units: dimensionless
Precision: 0.00001
CUfCopper (Fine)

Fine particle copper

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
dvDeciview

Unit of measurement of haziness based on extinction coeffecient and visual range

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
fAbs Filter Absorption Coefficient

The effect of the filter on the absorption measurements

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
HfHydrogen (Fine)

Fine particle hydrogen

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
FEf Iron (Fine)

Fine particle iron

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
PBfLead (Fine)

Fine particle lead

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
babsLight absorption coefficient

The effect of background absorbance on the absorption measurements

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
MGfMagnesium (Fine)

Fine particle magnesium

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
MNf Manganese (Fine)

Fine particle manganese

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
MT Mass, PM10 (Total)

Total mass of particles < 10 mircons in size

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
MF Mass, PM2.5 (Fine)

Total mas of particles < 2.5 microns in size

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
CM_calculatedMass, PM2.5 - PM10 (Coarse)

Mass of particles between 2.5 and 10 microns in size

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
RCFMMass, PM2.5 Reconstructed (Fine)

Reconstructed fine mass

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
MOfMolybdenum (Fine)

Fine particle molybdenum

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
NIf Nickel (Fine)

Fine particle nickel

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
NO3f Nitrate (Fine)

Fine particle nitrate

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
N2fNitrite (Fine)

Fine particle nitrite

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
OMCfOrganic Mass (Fine)

Fine particle organic mass

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
OMCf_bextOrganic carbon extinction fraction

Organic carbon light extinction coeffecient

Measurement type: Ratio
Units: dimensionless
Precision: 0.00001
PfPhosphorus (Fine)

Fine particle phosphorus

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
KfPotassium (Fine)

Fine particle potassium

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
RHgridRelative Humidity

Station relative humidity

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
fRHgridRelative Humidity Factor

Climatological average RH from EPA

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
RBfRubidium (Fine)

Fine particle rubidium

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
SeaSaltfSea Salt (Fine)

Fine particle sea salt

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
SEfSelenium (Fine)

Fine particle selenium

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
SIfSilicon (Fine)

Fine particle silicon

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
NAfSodium (Fine)

Fine particle sodium

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
SOILfSoil (Fine)

Fine particle soil

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
SOILf_bextFine soil extinction fraction

Fine soil light extinction coeffecient

Measurement type: Ratio
Units: dimensionless
Precision: 0.00001
SRf Strontium (Fine)

Fine particle strontium

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
SO4fSulfate (Fine)

Fine particle sulfate

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
SfSulfur (Fine)

Fine particle sulfur

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
SO2 Sulfur Dioxide

Sulfur dioxide gas

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
TIfTitanium (Fine)

Fine particle titanium

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
aerosol_bextAerosol extinction

Aerosol light extinction coeffecient

Measurement type: Ratio
Units: dimensionless
Precision: 0.00001
VfVanadium (Fine)

Fine particle vanadium

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
ZNfZinc (Fine)

Fine particle zinc

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001
ZRfZirconium (Fine)

Fine particle Zirconium

Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.00001