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Forum » General questions and discussion » TSP, PM10 and PM2.5 emissions

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Author Topic: TSP, PM10 and PM2.5 emissions 7082 Views

TSP, PM10 and PM2.5 emissions Link to this post

This summer Croatia has the stage 3 in-depth review of emission inventory submitted under the UNECE LRTAP Convention. In the ERT report one of the general recomendation was to always report PM2.5 whenever PM10 are reported and also TSP so that sectors and trends can be compared and the emission levels reviewed. So, I have a question, if the EMEP EEA Guidebook 2009 propose only defoult emission factor for PM10 and state that EF for TSP and PM2.5 are not applicable (NA) should I report these emissions or not? This kind of situation I found in sector 1B2aiv (Tier 2 emission factors).
Thanks in advance!

Re: TSP, PM10 and PM2.5 emissions Link to this post

Hi Mirela,

thanks for the query - I've passed along to the relevant TFEIP expert panel chairs and they'll post a reply shortly!


Re: TSP, PM10 and PM2.5 emissions Link to this post

Dear Mirela,

Thank you for pointing us at this issue. This is an issue of inconsistency indeed, if there is a PM10 emission then obviously there should also be an emission of TSP and most likely also PM2.5.

The reporting template tells you that you do not need to report PM emissions from source category 1.B.2.a.iv since they are not applicable (applies to all PM fractions from this source category). But in the latest revision of the Guidebook, an emission factor for PM10 has been included despite it's as N/A in the reporting template. At that time there was no information on the PM2.5 and TSP for this source, only a PM10 value.
I agree definitely that this situation is far from ideal, but if the EFs for the other PM fractions are not available we cannot include those in the Guidebook.

However, I do think that the PM emitted from refineries will be mostly from combustion activities and therefore reported under source category 1.A.1.b. The sector 1.B.2.a.iv is about the fugitive losses which are mostly NMVOC emissions. A practical solution might therefore be to report your PM emissions from refineries in 1.A.1.b instead and do not include them in 1.B.2.a.iv (and explain this in your IIR).

Concerning reporting requirements, there are two ways: change the Guidebook or change the reporting templates. I think this is an issue for discussion within the TFEIP how to deal with issues like this one. If other people have a view on this issue, this is highly appreciated.

Kind regards,

Jeroen Kuenen
Co-chair Expert Panel on Combustion & Industry

Re: TSP, PM10 and PM2.5 emissions Link to this post

Dear Mirela, dear all

Some clarification and , I hope, some improvements.

Clearly the presence of PM10 EF but not of PM (TSP) EF is alway an error, it's sometimes possible to have PM10 emissions but not PM2.5 emissions (only big particles in emissions)!

In the specific case of 1B2aiv there are some mistakes!

1. The EFs for PM2.5 and PST in 040102 Fluid catalytic cracking - CO boiler and Fluid coking units defined as Not applicable is a mistake.

2. The EFs for PM10 was taken from Concawe in the GB update project; the Concawe quote "Environment Australia (1999) National pollutant inventory - emission estimation technique manual for petroleum refining. Canberra: Environment Australia" (http://www.npi.gov.au/publications/emission-estimation-technique/pubs/petroleum.pdf). Concawe was only interested in PM10 but the original source reports also TSP EFs are reported.

3. Environment Australia report EFs for TSP from US EPA AP42 (http://www.epa.gov/ttn/chief/ap42/ch05/final/c05s01.pdf).

4. In the US EPA there are the following TSP EFs:
- Fluid catalytic cracking units (US EPA AP42):
- Uncontrolled 0.695 kg/10^3 L fresh feed
- Electrostatic precipitator and CO boiler 0.128 kg/10^3 L fresh feed
- Fluid coking units (US EPA AP42):
-Uncontrolled 1.50 kg/10^3 L fresh feed
-Electrostatic precipitator and CO boiler 0.0196 kg/10^3 L fresh feed

4.For PM10 fractions Environmental Australia uses US EPA speciate data (http://www.epa.gov/ttnchie1/software/speciate/)

5. For PM 2.5 fraction the same source can be used (http://www.epa.gov/ttnchie1/software/speciate/)

I will review in the next weeks the PM speciation profile for PM 2.5 and I hope to give some update to GB chapter in January.

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