Details and Metadata
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Methods
The methods followed in the creation of the dataset, including description of field, laboratory and processing steps, and quality control procedures
Current Methods
Particulate matter monitoring
Particulate matter is being monitored at the PMRC for fine particles <2.5 microns (PM-2.5)
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 LOC_CODE ID Unique record ID
Measurement type: Nominal Date Date Date
Measurement type: DateTime
Date/Time Format: YYYY-MM-DDStarttme Start Time Start time
Measurement type: Ordinal Duration Duration Duration
Measurement type: Ratio
Units:FlowRate Flow Rate Volume of fluid which passes through a given surface
Measurement type: Ratio
Units:MF_AMNT Mass Flow Amount Total mass flow of all elements
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01MF_ERR Mass Flow Error Error estimate to handle missing and below limit detection data using positive matrix factorization
Measurement type: Ratio
Unit: number
Precision: 0.01MF_DLIM Mass Flow Detection Limit Amount at which sampler could detect element
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01MF_STAT Status Species status code for mass flow
Measurement type: Ordinal
Mass Flow Status Code
+ showAppears in data as Meaning of code NM Normal QU Questionable; undetermined QD Questionable data AA Organic Artifact corrected AP Possible organic artifact LR_AMNT Amount Lawrencium Amount lawrencium
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01LR_ERR Lawrencium Error Error estimate to handle missing and below limit detection data using positive matrix factorization
Measurement type: Ratio
Unit: number
Precision: 0.01LR_DLIM Lawrencium Detection Limit Lawrencium detection limit
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01LR_STAT Lawrencium Status Code Species status code for lawrencium
Measurement type: Ordinal
Lawrencium Status Code
+ showAppears in data as Meaning of code NM Normal QU Questionable; undetermined QD Questionable data AA Organic Artifact corrected AP Possible organic artifact H_AMNT Amount Hydrogen Amount Hydrogen
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01H_ERR Hydrogen Error Error estimate to handle missing and below limit detection data using positive matrix factorization
Measurement type: Ratio
Unit: number
Precision: 0.01H_DLIM Hydrogen Detection Limit Amount at which sampler could detect element
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01H_STAT Hydrogen Status Species status code for hydrogen
Measurement type: Ordinal
Hydrogen Status Code
+ showAppears in data as Meaning of code NM Normal QU Questionable; undetermined QD Questionable data AA Organic Artifact corrected AP Possible organic artifact NA_AMNT Amount Sodium Amount sodium
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01NA_ERR Sodium Error Error estimate to handle missing and below limit detection data using positive matrix factorization
Measurement type: Ratio
Unit: number
Precision: 0.01NA_DLIM Sodium Detection Limit Amount at which sampler could detect element
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01NA_STAT Sodium Status Species status code for sodium
Measurement type: Ordinal
Sodium Status Code
+ showAppears in data as Meaning of code NM Normal QU Questionable; undetermined QD Questionable data AA Organic Artifact corrected AP Possible organic artifact MG_AMNT Amount Magnesium Amount magnesium
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01MG_ERR Magnesium Error Error estimate to handle missing and below limit detection data using positive matrix factorization
Measurement type: Ratio
Unit: number
Precision: 0.01MG_DLIM Magnesium Detection Limit Amount at which sampler could detect element
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01MG_STAT Magnesium Status Species status code for magnesium
Measurement type: Ordinal
Magnesium Status Code
+ showAppears in data as Meaning of code NM Normal QU Questionable; undetermined QD Questionable data AA Organic Artifact corrected AP Possible organic artifact AL_AMNT Amount Aluminum Amount aluminum
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01AL_ERR Aluminum Error Error estimate to handle missing and below limit detection data using positive matrix factorization
Measurement type: Ratio
Unit: number
Precision: 0.01AL_DLIM Aluminum Detection Limit Amount at which sampler could detect element
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01AL_STAT Aluminum Status Species status code for aluminum
Measurement type: Ordinal
Aluminum Status Code
+ showAppears in data as Meaning of code NM Normal QU Questionable; undetermined QD Questionable data AA Organic Artifact corrected AP Possible organic artifact SI_AMNT Amount Silicon Amount silicon
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01SI_ERR Silicon Error Error estimate to handle missing and below limit detection data using positive matrix factorization
Measurement type: Ratio
Unit: number
Precision: 0.01SI_DLIM Silicon Detection Limit Amount at which sampler could detect element
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01SI_STAT Silicon Status Species status code for for Silicon
Measurement type: Ordinal
Silicon Status Code
+ showAppears in data as Meaning of code NM Normal QU Questionable; undetermined QD Questionable data AA Organic Artifact corrected AP Possible organic artifact P_AMNT Amount Phosphorous Amount phosphorous
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01P_ERR Phosphorous Error Error estimate to handle missing and below limit detection data using positive matrix factorization
Measurement type: Ratio
Unit: number
Precision: 0.01P_DLIM Phosphorous Detection Limit Amount at which sampler could detect element
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01P_STAT Phosphorous Status Species status code for phosphorous
Measurement type: Ordinal
Phosphorous Status Code
+ showAppears in data as Meaning of code NM Normal QU Questionable; undetermined QD Questionable data AA Organic Artifact corrected AP Possible organic artifact S_AMNT Amount Sulfur Amount sulfur
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01S_ERR Sulfur Error Error estimate to handle missing and below limit detection data using positive matrix factorization
Measurement type: Ratio
Unit: number
Precision: 0.01S_DLIM Sulfur Detection Limit Amount at which sampler could detect element
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01S_STAT Sulfur Status Species status code for sulfur
Measurement type: Ordinal
Sulfur Status Code
+ showAppears in data as Meaning of code NM Normal QU Questionable; undetermined QD Questionable data AA Organic Artifact corrected AP Possible organic artifact CL_AMNT Amount Chlorine Amount chlorine
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01CL_ERR Chlorine Error Error estimate to handle missing and below limit detection data using positive matrix factorization
Measurement type: Ratio
Unit: number
Precision: 0.01CL_DLIM Chlorine Detection Limit Amount at which sampler could detect element
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01CL_STAT Chlorine Status Species status code for chlorine
Measurement type: Ordinal
Chlorine Status Code
+ showAppears in data as Meaning of code NM Normal QU Questionable; undetermined QD Questionable data AA Organic Artifact corrected AP Possible organic artifact K_AMNT Amount Potassium Amount potassium
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01K_ERR Potassium Error Error estimate to handle missing and below limit detection data using positive matrix factorization
Measurement type: Ratio
Unit: number
Precision: 0.01K_DLIM Potassium Detection Limit Amount at which sampler could detect element
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01K_STAT Potassium Status Species status code for potassium
Measurement type: Ordinal
Postassium Status Code
+ showAppears in data as Meaning of code NM Normal QU Questionable; undetermined QD Questionable data AA Organic Artifact corrected AP Possible organic artifact CA_AMNT Amount Calcium Amount calcium
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01CA_ERR Calcium Error Error estimate to handle missing and below limit detection data using positive matrix factorization
Measurement type: Ratio
Unit: number
Precision: 0.01CA_DLIM Calcium Detection Limit Amount at which sampler could detect element
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01CA_STAT Calcium Status Species status code for calcium
Measurement type: Ordinal
Calcium Status Code
+ showAppears in data as Meaning of code NM Normal QU Questionable; undetermined QD Questionable data AA Organic Artifact corrected AP Possible organic artifact TI_AMNT Amount Titanium Amount titanium
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01TI_ERR Titanium Error Error estimate to handle missing and below limit detection data using positive matrix factorization
Measurement type: Ratio
Unit: number
Precision: 0.01TI_DLIM Titanium Detection Limit Amount at which sampler could detect element
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01TI_STAT Titanium Status Species status code for titanium
Measurement type: Ordinal
Titanium Status Code
+ showAppears in data as Meaning of code NM Normal QU Questionable; undetermined QD Questionable data AA Organic Artifact corrected AP Possible organic artifact V_AMNT Amount Vanadium Amount vanadium
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01V_ERR Vanadium Error Error estimate to handle missing and below limit detection data using positive matrix factorization
Measurement type: Ratio
Unit: number
Precision: 0.01V_DLIM Vanadium Detection Limit Amount at which sampler could detect element
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01V_STAT Vanadium Status Species status code for vanadium
Measurement type: Ordinal
Vanadium Status Code
+ showAppears in data as Meaning of code NM Normal QU Questionable; undetermined QD Questionable data AA Organic Artifact corrected AP Possible organic artifact CR_AMNT Amount Chromium Amount chromium
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01CR_ERR Chromium Error Error estimate to handle missing and below limit detection data using positive matrix factorization
Measurement type: Ratio
Unit: number
Precision: 0.01CR_DLIM Chromium Detection Limit Amount at which sampler could detect element
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01CR_STAT Chromium Status Species status code for chromium
Measurement type: Ordinal
Chromium Status Code
+ showAppears in data as Meaning of code NM Normal QU Questionable; undetermined QD Questionable data AA Organic Artifact corrected AP Possible organic artifact MN_AMNT Amount Manganese Amount manganese
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01MN_ERR Manganese Error Error estimate to handle missing and below limit detection data using positive matrix factorization
Measurement type: Ratio
Unit: number
Precision: 0.01MN_DLIM Manganese Detection Limit Amount at which sampler could detect element
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01MN_STAT Manganese Status Species status code for manganese
Measurement type: Ordinal
Manganese Status Code
+ showAppears in data as Meaning of code NM Normal QU Questionable; undetermined QD Questionable data AA Organic Artifact corrected AP Possible organic artifact FE_AMNT Amount Iron Amount iron
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01FE_ERR Iron Error Error estimate to handle missing and below limit detection data using positive matrix factorization
Measurement type: Ratio
Unit: number
Precision: 0.01FE_DLIM Iron Detection Limit Amount at which sampler could detect element
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01FE_STAT Iron Statistic Species status code for iron
Measurement type: Ordinal
Iron Status Code
+ showAppears in data as Meaning of code NM Normal QU Questionable; undetermined QD Questionable data AA Organic Artifact corrected AP Possible organic artifact NI_AMNT Amount Nickel Amount nickel
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01NI_ERR Nickel Error Error estimate to handle missing and below limit detection data using positive matrix factorization
Measurement type: Ratio
Unit: number
Precision: 0.01NI_DLIM Nickel Detection Limit Amount at which sampler could detect element
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01NI_STAT Nickel Statistic Species status code for nickel
Measurement type: Ordinal
Nickel Status Code
+ showAppears in data as Meaning of code NM Normal QU Questionable; undetermined QD Questionable data AA Organic Artifact corrected AP Possible organic artifact CU_AMNT Amount Copper Amount copper
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01CU_ERR Copper Error Error estimate to handle missing and below limit detection data using positive matrix factorization
Measurement type: Ratio
Unit: number
Precision: 0.01CU_DLIM Copper Detection Limit Amount at which sampler could detect element
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01CU_STAT Copper Status Species status code for copper
Measurement type: Ordinal
Copper Status Code
+ showAppears in data as Meaning of code NM Normal QU Questionable; undetermined QD Questionable data AA Organic Artifact corrected AP Possible organic artifact ZN_AMNT Amount Zinc Amount zinc
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01ZN_ERR Zinc Error Error estimate to handle missing and below limit detection data using positive matrix factorization
Measurement type: Ratio
Unit: number
Precision: 0.01ZN_DLIM Zinc Detection Limit Amount at which sampler could detect element
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01ZN_STAT Zinc Status Species status code for zinc
Measurement type: Ordinal
Zinc Status Code
+ showAppears in data as Meaning of code NM Normal QU Questionable; undetermined QD Questionable data AA Organic Artifact corrected AP Possible organic artifact AS_AMNT Amount Arsenic Amount arsenic
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01AS_ERR Arsenic Error Error estimate to handle missing and below limit detection data using positive matrix factorization
Measurement type: Ratio
Unit: number
Precision: 0.01AS_DLIM Arsenic Detection Limit Amount at which sampler could detect element
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01AS_STAT Arsenic Status Species status code for arsenic
Measurement type: Ordinal
Arsenic Status Code
+ showAppears in data as Meaning of code NM Normal QU Questionable; undetermined QD Questionable data AA Organic Artifact corrected AP Possible organic artifact PB_AMNT Amount Lead Amount lead
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01PB_ERR Lead Error Error estimate to handle missing and below limit detection data using positive matrix factorization
Measurement type: Ratio
Unit: number
Precision: 0.01PB_DLIM Lead Detection Limit Amount at which sampler could detect element
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01PB_STAT Lead Status Species status code for lead
Measurement type: Ordinal
Lead Status Code
+ showAppears in data as Meaning of code NM Normal QU Questionable; undetermined QD Questionable data AA Organic Artifact corrected AP Possible organic artifact SE_AMNT Amount Selenium Amount selenium
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01SE_ERR Selenium Error Error estimate to handle missing and below limit detection data using positive matrix factorization
Measurement type: Ratio
Unit: number
Precision: 0.01SE_DLIM Selenium Detection Limit Amount at which sampler could detect element
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01SE_STAT Selenium Status Species status code for selenium
Measurement type: Ordinal
Selenium Status Code
+ showAppears in data as Meaning of code NM Normal QU Questionable; undetermined QD Questionable data AA Organic Artifact corrected AP Possible organic artifact BR_AMNT Amount Bromine Amount bromine
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01BR_ERR Bromine Error Error estimate to handle missing and below limit detection data using positive matrix factorization
Measurement type: Ratio
Unit: number
Precision: 0.01BR_DLIM Bromine Detection Limit Amount at which sampler could detect element
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01BR_STAT Bromine Status Species status code for bromine
Measurement type: Ordinal
Bromine Status Code
+ showAppears in data as Meaning of code NM Normal QU Questionable; undetermined QD Questionable data AA Organic Artifact corrected AP Possible organic artifact RB_AMNT Amount Rubidium Amount rubidium
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01RB_ERR Rubidium Error Error estimate to handle missing and below limit detection data using positive matrix factorization
Measurement type: Ratio
Unit: number
Precision: 0.01RB_DLIM Rubidium Detection Limit Amount at which sampler could detect element
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01RB_STAT Rubidium Status Species status code for rubidium
Measurement type: Ordinal
Rubidium Status Code
+ showAppears in data as Meaning of code NM Normal QU Questionable; undetermined QD Questionable data AA Organic Artifact corrected AP Possible organic artifact SR_AMNT Amount Strontium Amount strontium
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01SR_ERR Strontium Error Error estimate to handle missing and below limit detection data using positive matrix factorization
Measurement type: Ratio
Unit: number
Precision: 0.01SR_DLIM Strontium Detection Limit Amount at which sampler could detect element
Measurement type: Ordinal
Unit: micrograms per cubic meterSR_STAT Strontium Status Species status code for strontium
Measurement type: Ratio
Units:
Strontium Status Code
+ showAppears in data as Meaning of code NM Normal QU Questionable; undetermined QD Questionable data AA Organic Artifact corrected AP Possible organic artifact ZR_AMNT Amount Zirconium Amount zirconium
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01ZR_ERR Zirconium Error Error estimate to handle missing and below limit detection data using positive matrix factorization
Measurement type: Ratio
Unit: number
Precision: 0.01ZR_DLIM Zirconium Detection Limit Amount at which sampler could detect element
Measurement type: Ordinal
Unit: micrograms per cubic meterZR_STAT Zirconium Status Species status code for zirconium
Measurement type: Ratio
Units:
Zirconium Status Code
+ showAppears in data as Meaning of code NM Normal QU Questionable; undetermined QD Questionable data AA Organic Artifact corrected AP Possible organic artifact MO_AMNT Amount Molybdenum Amount molybdenum
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01MO_ERR Molybdenum Error Error estimate to handle missing and below limit detection data using positive matrix factorization
Measurement type: Ratio
Unit: number
Precision: 0.01MO_DLIM Molybedenum Detection Limit Amount at which sampler could detect element
Measurement type: Ordinal
Unit: micrograms per cubic meterMO_STAT Molybedenum Status Molybedenum statistic
Measurement type: Ratio
Units:
Molybedenum Status Code
+ showAppears in data as Meaning of code NM Normal QU Questionable; undetermined QD Questionable data AA Organic Artifact corrected AP Possible organic artifact OCLT_AMT Amount Organic Carbon (low temperature) Amount organic carbon (low temperature)
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01OCLT_ERR Organic Carbon Error (low temperature) Error estimate to handle missing and below limit detection data using positive matrix factorization
Measurement type: Ratio
Unit: number
Precision: 0.01OCLT_DML Organic Carbon Error (low temperature) Detection L Amount at which sampler could detect element
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01OCLT_STA Organic Carbon (low temperature) Status Species status code for organic carbon (low temperature)
Measurement type: Ordinal
Organic Carbon High Temp Status Code
+ showAppears in data as Meaning of code NM Normal QU Questionable; undetermined QD Questionable data AA Organic Artifact corrected AP Possible organic artifact OCHT_AMT Amount Organic Carbon (high temperature) Amount organic carbon (high temperature)
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01OCHT_ERR Organic Carbon (high temperature) Error rror estimate to handle missing and below limit detection data using positive matrix factorization
Measurement type: Ratio
Unit: number
Precision: 0.01OCHT_DML Organic Carbon (high temperature) Detection Limit Amount at which sampler could detect element
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01OCHT_STA Organic Carbon (high temperature) Status Species status code for organic carbon (high temperature)
Measurement type: Ordinal
Organic Carbon Low Temp Status Code
+ showAppears in data as Meaning of code NM Normal QU Questionable; undetermined QD Questionable data AA Organic Artifact corrected AP Possible organic artifact ECLT_AMT Amount Elemental Carbon (low temperature) Amount elemental carbon (low temperature)
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01ECLT_ERR Elemental Carbon (lower temperature) Error Error estimate to handle missing and below limit detection data using positive matrix factorization
Measurement type: Ratio
Unit: number
Precision: 0.01ECLT_DML Elemental Carbon (lower temperature) Detection Lim Amount at which sampler could detect element
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01ECLT_STA Elemental Carbon (lower temperature) Status Species status code for elemental carbon (low temperature)
Measurement type: Ordinal
Elemental Carbon High Temp Status Code
+ showAppears in data as Meaning of code NM Normal QU Questionable; undetermined QD Questionable data AA Organic Artifact corrected AP Possible organic artifact ECHT_AMT Amount Elemental Carbon (high temperature) Amount elemental carbon (high temperature)
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01ECHT_ERR Elemental Carbon (high temperature) Error Error estimate to handle missing and below limit detection data using positive matrix factorization
Measurement type: Ratio
Unit: number
Precision: 0.01ECHT_DML Elemental Carbon (high temperature) Detection Limi Amount at which sampler could detect element
Measurement type: Ratio
Unit: micrograms per cubic meter
Precision: 0.01ECHT_STA Elemental Carbon (high temperature) Status Species status code for elemental carbon (high temperature)
Measurement type: Ordinal
Unit: micrograms per cubic meter
Elemental Carbon Low Temp Status Code
+ showAppears in data as Meaning of code NM Normal QU Questionable; undetermined QD Questionable data AA Organic Artifact corrected AP Possible organic artifact Sampling Equipment
Equipment and software used to collect data, including how that equipment was used.
Current Equipment
NePART sampler
NePART sampler
Site Characteristics
The spatial extent of the dataset site coverage, and descriptions of the spatial extent and context for the data collection
- Site Description
Field station at Proctor Maple Research Center, west slope of Mount Mansfield. Consistent with US EPA PM-2.5 Siting Criteria.