NDLI: Open air mineral treatment operations and ambient air quality: assessment and source apportionment

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Escudero, M. Alastuey, A. Moreno, T. Querol, X. Pérez, P.
Spatial Coverage	Spain
Description	Country affiliation: Spain Author Affiliation: Escudero M ( Laser Spectroscopy and Environment Lab, Centro Universitario de la Defensa (CUD), Academia General Militar, Ctra. de Huesca s/n, E-50090 Saragossa, Spain. mescu@unizar.es)
Abstract	We present a methodology for evaluating and quantifying the impact of inhalable mineral dust resuspension close to a potentially important industrial point source, in this case an open air plant producing sand, flux and kaolin in the Capuchinos district of Alcañiz (Teruel, NE Spain). $PM_{10}$ levels at Capuchinos were initially high (42 μg $m^{−3}$ as the annual average with 91 exceedances of the EU daily limit value during 2007) but subsequently decreased (26 μg $m^{−3}$ with 16 exceedances in 2010) due to a reduced demand for minerals from the ceramic industry and construction sector during the first stages of the economic crisis. Back trajectory and local wind pattern analyses revealed only limited contribution from exotic PM sources such as African dust intrusions whereas there was clearly a strong link with the mineral stockpiles of the local industry. This link was reinforced by chemical and mineral speciation and source apportionment analysis which showed a dominance of mineral matter (sum of $CO_{3}^{2−},$ $SiO_{2},$ $Al_{2}O_{3},$ Ca, Fe, K, Mg, P, and Ti: mostly aluminosilicates) which in 2007 contributed 76% of the $PM_{10}$ mass (44 μg $m^{−3}$ on average). The contribution from Secondary Inorganic Aerosols (SIA, sum of $SO_{4}^{2−},$ $NO_{3}^{−}$ and $NH_{4}^{+})$ reached 8.4 μg $m^{−3},$ accounting for 14% of the $PM_{10}$ mass, similar to the amount of calcareous road dust estimated to be present (8 μg $m^{−3};$ 13%). Organic matter and elemental carbon contributed 5.3 μg $m^{−3}$ (9%) whereas marine aerosol (Na + Cl) levels were minor with an average concentration of 0.4 μg $m^{−3}$ (1% of the $PM_{10}$ mass). Finally, chemical and mineralogical analysis of stockpile samples and comparison with filter samples confirmed the local industry to be the major source of ambient $PM_{10}$ in the area.
File Format	HTM / HTML
ISSN	14640325
Issue Number	11
Volume Number	14
e-ISSN	14640333
Journal	Journal of Environmental Monitoring
Language	English
Publisher	Royal Society of Chemistry
Publisher Date	2012-11-01
Publisher Place	Great Britain (UK)
Access Restriction	Subscribed
Subject Keyword	Discipline Environmental Health Air Pollutants Analysis Environmental Monitoring Minerals Particulate Matter Air Pollution Statistics & Numerical Data Particle Size Spain Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Public Health, Environmental and Occupational Health Management, Monitoring, Policy and Law

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