Hygroscopic and chemical properties of aerosols collected near a copper smelter: Implications for public and environmental health

Armin Sorooshian, Janae Csavina, Taylor Shingler, Stephen Dey, Fred J. Brechtel, Avelino E Saez, Eric Betterton

Research output: Contribution to journalArticle

46 Citations (Scopus)

Abstract

Particulate matter emissions near active copper smelters and mine tailings in the southwestern United States pose a potential threat to nearby environments owing to toxic species that can be inhaled and deposited in various regions of the body depending on the composition and size of the particles, which are linked by particle hygroscopic properties. This study reports the first simultaneous measurements of size-resolved chemical and hygroscopic properties of particles next to an active copper smelter and mine tailings by the towns of Hayden and Winkelman in southern Arizona. Size-resolved particulate matter samples were examined with inductively coupled plasma mass spectrometry, ion chromatography, and a humidified tandem differential mobility analyzer. Aerosol particles collected at the measurement site are enriched in metals and metalloids (e.g., arsenic, lead, and cadmium) and water-uptake measurements of aqueous extracts of collected samples indicate that the particle diameter range of particles most enriched with these species (0.18-0.55 μm) overlaps with the most hygroscopic mode at a relative humidity of 90% (0.10-0.32 μm). These measurements have implications for public health, microphysical effects of aerosols, and regional impacts owing to the transport and deposition of contaminated aerosol particles.

Original languageEnglish (US)
Pages (from-to)9473-9480
Number of pages8
JournalEnvironmental Science and Technology
Volume46
Issue number17
DOIs
StatePublished - Sep 4 2012

Fingerprint

Aerosols
Chemical properties
public health
Copper
chemical property
Health
aerosol
copper
Particulate Matter
Tailings
tailings
Metalloids
particulate matter
Ion chromatography
Inductively coupled plasma mass spectrometry
Poisons
Arsenic
Public health
Cadmium
ion chromatography

ASJC Scopus subject areas

  • Chemistry(all)
  • Environmental Chemistry

Cite this

Hygroscopic and chemical properties of aerosols collected near a copper smelter : Implications for public and environmental health. / Sorooshian, Armin; Csavina, Janae; Shingler, Taylor; Dey, Stephen; Brechtel, Fred J.; Saez, Avelino E; Betterton, Eric.

In: Environmental Science and Technology, Vol. 46, No. 17, 04.09.2012, p. 9473-9480.

Research output: Contribution to journalArticle

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