Risto Hillamo, FMI (risto.hillamo@fmi.fi) PM1 composition measurements with the Aerodyne Aerosol Chemical Speciation Monitor (ACSM) Risto Hillamo, Minna.

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Presentation transcript:

Risto Hillamo, FMI (risto.hillamo@fmi.fi) PM1 composition measurements with the Aerodyne Aerosol Chemical Speciation Monitor (ACSM) Risto Hillamo, Minna Aurela, Samara Carbone, Hilkka Timonen and Sanna Saarikoski Aerosol Research, Air Quality, Finnish Meteorological Institute, Helsinki, Finland TFMM 11-13 May,2011 Risto Hillamo, FMI (risto.hillamo@fmi.fi)

Risto Hillamo, FMI (risto.hillamo@fmi.fi) ACSM - 70 kg, 300 W TFMM 11-13 May,2011 Risto Hillamo, FMI (risto.hillamo@fmi.fi)

Risto Hillamo, FMI (risto.hillamo@fmi.fi) Design comparison ACSM High-Resolution AMS Source: John Jayne, Aerodyne Source John Jayne, Aerodyne Robust monitoring instrument No chopper (aerosol=total - filter) Typical time resolution 15-30 min Unit mass (UM) resolution Simple data evaluation High-performance research instrument Chopper (aerosol=open - closed) High-time resolving (1 Hz) High mass resolution (UM, V, W) Data evaluation sophisticated Switching between measurement modes Additional modules (LS, SP) TFMM 11-13 May,2011 Risto Hillamo, FMI (risto.hillamo@fmi.fi)

Unit mass/high resolution Similar to ACSM quadrupole ms HR-ToF-AMS TFMM 11-13 May,2011 Risto Hillamo, FMI (risto.hillamo@fmi.fi)

Risto Hillamo, FMI (risto.hillamo@fmi.fi) Measurement sites Urban background site Urban site Residential site Helsinki downtown Houses/hectare - Detached houses in Helsinki area (primary/secondary heating with wood) TFMM 11-13 May,2011 Risto Hillamo, FMI (risto.hillamo@fmi.fi)

Helsinki urban site 1 December 2010 – 7 January 2011 For the ACSM 50% collection efficiency , CE=0.5 15 µg m-3 TFMM 11-13 May,2011 Risto Hillamo, FMI (risto.hillamo@fmi.fi)

Risto Hillamo, FMI (risto.hillamo@fmi.fi) Helsinki urban site Fire of the department store CE=0.5 TFMM 11-13 May,2011 Risto Hillamo, FMI (risto.hillamo@fmi.fi)

Risto Hillamo, FMI (risto.hillamo@fmi.fi) Helsinki uban site TFMM 11-13 May,2011 Risto Hillamo, FMI (risto.hillamo@fmi.fi)

Helsinki residential site 17 February-16 March 2011 Analysed average: 10.5 µg m-3 TFMM 11-13 May,2011 Risto Hillamo, FMI (risto.hillamo@fmi.fi)

Helsinki residential site CE=0.5 TFMM 11-13 May,2011 Risto Hillamo, FMI (risto.hillamo@fmi.fi)

Risto Hillamo, FMI (risto.hillamo@fmi.fi) Residential site TFMM 11-13 May,2011 Risto Hillamo, FMI (risto.hillamo@fmi.fi)

Risto Hillamo, FMI (risto.hillamo@fmi.fi) Residential site an example of the organic mass spectra (23 February 9 pm, OM: 28 µg m-3) TFMM 11-13 May,2011 Risto Hillamo, FMI (risto.hillamo@fmi.fi)

Helsinki urban background site 21 March 2011- 1 May 2011 Analysed average: 5.3 µg m-3 TFMM 11-13 May,2011 Risto Hillamo, FMI (risto.hillamo@fmi.fi)

Risto Hillamo, FMI (risto.hillamo@fmi.fi) Urban background CE=0.5 TFMM 11-13 May,2011 Risto Hillamo, FMI (risto.hillamo@fmi.fi)

Risto Hillamo, FMI (risto.hillamo@fmi.fi) Urban background TFMM 11-13 May,2011 Risto Hillamo, FMI (risto.hillamo@fmi.fi)

Risto Hillamo, FMI (risto.hillamo@fmi.fi) Comparison residential ACSM/urban background HR-AMS and Sunset OC/EC analyzer POM=1.6xOC TFMM 11-13 May,2011 Risto Hillamo, FMI (risto.hillamo@fmi.fi)

Comparison urban background ACSM/HR-AMS TFMM 11-13 May,2011 Risto Hillamo, FMI (risto.hillamo@fmi.fi)