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Polycyclic Aromatic Hydrocarbons (PAHs) Quantified in Large-Scale Fire Experiments
SP Technical Research Institute of Sweden.
SP Technical Research Institute of Sweden.
SP Technical Research Institute of Sweden.
Mälardalen University, School of Business, Society and Engineering. SP Brandteknik. (MERO)ORCID iD: 0000-0001-6758-6067
2012 (English)In: Fire technology, ISSN 0015-2684, E-ISSN 1572-8099, Vol. 48, no 2, p. 513-528Article in journal (Refereed) Published
Abstract [en]

A number of large-scale fire experiments with detailed quantitative analysis

of polycyclic aromatic hydrocarbon (PAH) including PAH congener distribution

have been conducted by SP. This data is reviewed here and is further assessed with

regard to toxicity applying a Toxic Equivalency Factor (TEF) model for estimation

of cancer potential. The PAH yield data from the large-scale fire experiments is also

compared to emission factors from other combustion sources. The study shows that

full-scale fire experiments with different products exhibit a large variation in total

PAH yields. Fires with products containing flame retardants were shown to produce

the highest yields and generally a more toxic mixture of PAHs than fires with nonflame

retarded products. The distribution of individual PAH congeners is generally

quantitatively dominated by low molecular weight PAHs, whereas a small number of

medium to high molecular weight PAHs are most important in determining the toxicity

of the PAH mixture. The large-scale fire experiments indicate that fires normally

produce orders of magnitudes higher yields compared to, e.g. modern residential

combustion devices. The relative distribution of individual PAHs, which determines

the toxicity of the PAH mix, is similar for the fires and open burning data studied, in

that benzo(a)pyrene and dibenz(a,h)anthracene dominate the toxicity of the mix as a

whole.

Place, publisher, year, edition, pages
2012. Vol. 48, no 2, p. 513-528
National Category
Engineering and Technology
Research subject
Energy- and Environmental Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-22839DOI: 10.1007/s10694-011-0242-9ISI: 000307245000019Scopus ID: 2-s2.0-84855895679OAI: oai:DiVA.org:mdh-22839DiVA, id: diva2:664629
Available from: 2013-11-15 Created: 2013-11-15 Last updated: 2017-12-06Bibliographically approved

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Lönnermark, Anders

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