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Performance of Continuous PM 2.5 Monitors at a Monitoring Site in Ottawa, Canada. Tom Dann Luc White, Alain Biron Environment Canada, ETC, Ottawa. NESCAUM Monitoring and Assessment Committee Meeting Troy, NH April 24/25, 2007. Environment Environnement Canada Canada.

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Performance of Continuous PM2.5 Monitors at a Monitoring Site in Ottawa, Canada

Tom Dann

Luc White, Alain Biron

Environment Canada, ETC, Ottawa

NESCAUM Monitoring and Assessment Committee Meeting Troy, NH April 24/25, 2007

Environment Environnement

Canada Canada


Ottawa monitoring site
Ottawa Monitoring Site

  • Study Period: May 2004 – present> 500 days of data for 1 or more continuous instruments with filter-based data

  • 24h PM2.5Max: 64 µg/m³ 98th Perc: 37 µg/m³ Mean: 10.0 µg/m³

  • Temperature Range: -27°C to 29°C

  • Filter based samplers: R&P Partisol FRM and R&P Partisol Sequential Dichot


Ottawa monitoring site1
Ottawa Monitoring Site

  • Met-One BAM 1020 May 2004

  • Met-One BAM 1020 (new) Nov 2006

  • TEOM SES (30°C) May 2004

  • TEOM FDMS July 2004

  • GRIMM 180 (PM10, PM2.5, PM1.0) Oct. 2005

  • Thermo SHARP 5030 June 2006


Met one bam 1020
Met-One BAM 1020

  • low-level C14 radiation source

  • uses beta-ray attenuation and a filter tape system

  • inlet is heated but filter is at ambient (station) temperature

  • humidity problems in early units caused higher readings in the summer

  • ‘smart heater’ is turned on by a relative humidity sensor

  • hourly average output


Linear regression results for 24h data bam ottawa warm seasons 2004 2006
Linear regression results for 24h dataBAM Ottawa (Warm Seasons 2004-2006)


Linear regression results for 24h data bam with 35 humidity setting ottawa 2005 2006
Linear regression results for 24h dataBAM with 35% Humidity Setting Ottawa (2005-2006)



Linear regression results for 24h data teom fdms ottawa 2004 2006
Linear regression results for 24h dataTEOM-FDMS Ottawa (2004-2006)


Grimm 180 multi channel aerosol spectrometer
Grimm 180 Multi-channel Aerosol Spectrometer

Simultaneous measurement of PM1.0, PM2.5 and PM10

Particle counts by size (31 channels) and mass determination

using algorithms

No size cut on inlet – moisture control using Nafion dryer

Truly continuous (real-time)


Results for 24h pm 2 5 data grimm 180 ottawa jan 2006 dec 2006
Results for 24h PM2.5 data: Grimm 180 (Ottawa) Jan. 2006 – Dec. 2006


Grimm 180 results ottawa summer 2006
Grimm 180 Results – Ottawa Summer 2006




Results for 24h pm 10 data grimm 180 ottawa jan 2006 mar 2007
Results for 24h PM – Mar. 200710 data: Grimm 180 (Ottawa) Jan. 2006 – Mar. 2007


Grimm 180 results ottawa january 29 31 2007
Grimm 180 Results – Mar. 2007– Ottawa January 29-31, 2007


Thermo sharp 5030 synchronized hybrid ambient real time particulate monitor
Thermo SHARP 5030 – Mar. 2007Synchronized Hybrid Ambient Real-time Particulate Monitor

  • Truly continuous (real-time)

  • Combination nephelometer & beta-ray attenuation

  • Light scattering photometer is continuously calibrated by beta attenuation mass sensor

  • Intelligent Moisture Reduction (IMR) System heating the inlet tube; threshold is set at 40%




Cost comparisons for continuous pm 2 5 instruments canadian
Cost Comparisons for Continuous PM Jun. – Dec. 2006)2.5 Instruments (Canadian$):

  • Met-One BAM 1020 $25,000

  • R&P 1400AB TEOM $25,400

  • R&P SES Kit $ 4,750

  • R&P 8500 FDMS Kit $10,700

  • TEOM-FDMS $36,100

  • GRIMM 180 (PM10, PM2.5, PM1.0) $31,000

  • Thermo SHARP 5030 $26,500



Pm workshop ottawa april 2007
PM Workshop – Ottawa Jun. – Dec. 2006)April 2007

  • Presentations and Summary:

    http://www.etc-cte.ec.gc.ca/NAPSAnnualRawData/

    Password: ozone

    Folder: PMWORKSHOP2007


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