Abstract：
:Until now, there is limited information about mercury exposures inside solid waste incineration plants although incineration has been considered as one of major solid waste treatments. This study investigated indoor air concentrations of gaseous elemental mercury (GEM), reactive gaseous mercury (RGM) and particulate mercury (Hgp) and indoor dust mercury concentrations in a municipal solid waste incineration (MSWI) plant and a hospital waste incineration (HWI) plant during December 2003 and July 2004. The final results showed that the employees in incineration plants are not only exposed to GEM, but also to RGM and Hgp. For the HWI plant, only concentration of total mercury (HgT) in operation center in summer was below 1000ngm(-3) due to frequent ventilation, while those of GEM and HgT in hospital waste depot exceeded 3000ngm(-3). For the MSWI plant, only concentration of HgT in workplace in winter exceeded 1000ngm(-3). Therefore, more attention should be paid to mercury exposures in HWI plants than in MSWI plants. Indoor dust containing approximately 3968microgHgTkg(-1) (dry matter) possibly served as the potential source for indoor air mercury pollution, especially in the HWI plant.
journal_name
Chemospherejournal_title
Chemosphereauthors
Liu Y,Zhan Z,Du F,Kong S,Liu Ydoi
10.1016/j.chemosphere.2008.11.079subject
Has Abstractpub_date
2009-04-01 00:00:00pages
266-71issue
2eissn
0045-6535issn
1879-1298pii
S0045-6535(08)01494-Xjournal_volume
75pub_type
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