Mutagenicity of Organic Extracts from PM₁₀ during Heating Period in Baotou

Objectives To investigate the mutagenicity of organic extracts from PM₁₀ during heating period in Baotou.

Methods PM₁₀samples were collected from 4 sampling points, including Baotou west locomotives, Wangfujing department store, Juranyuan district and Baotou medical college, during heating period; the mutagenicity of organic extracts from PM₁₀ was investigated by Ames test.

Results The mutagenicity of organic extracts from PM₁₀ was different in these four sampling points and was in a good dose-response relationship; which was stronger in Baotou west locomotives and Wangfujing department store than in Juranyuan district and Baotou medical college.

Conclusions The mutagenicity of organic extracts from PM₁₀ suggested that there was a potential carcinogenicity of polluted atmospheric particulate matter in Baotou during heating period.