Aldehydes in Relation to Air Pollution Sources: A Case Study around the Beijing Olympics.

ABSTRACT: This study was carried out to characterize three aldehydes of health concern (formaldehyde, acetaldehyde, and acrolein) at a central Beijing site in the summer and early fall of 2008 (from June to October). Aldehydes in polluted atmospheres come from both primary and secondary sources, which limits the control strategies for these reactive compounds. Measurements were made before, during, and after the Beijing Olympics to examine whether the dramatic air pollution control measures implemented during the Olympics had an impact on concentrations of the three aldehydes and their underlying primary and secondary sources. Average concentrations of formaldehyde, acetaldehyde and acrolein were 29.3±15.1 μg/m³, 27.1±15.7 μg/m³ and 2.3±1.0 μg/m³, respectively, for t

SUBMITTER: Altemose B 

PROVIDER: S-EPMC4394383 | biostudies-literature | 2015 May

REPOSITORIES: biostudies-literature