Abstract
Considerable genotoxities were found in the exhaust gas of municipal waste incinerators with the Ames test using TA98±S9 and TA100±S9. The mutagenic compounds were collected, extracted, fractionated by HPLC and analysed by GC/MS and GC‐FID. The mutagenic compounds in test strains TA100+S9 and TA100‐S9 were separated in the early and late eluting fraction. Thirty eight compounds were identified in the solution, and 10 compounds were confirmed to be the mutagens. For examples, benzo(a)pyrene showed the mutagenicity against TA98+S9, fluoranthene and benzo(a)pyrene showed mutagenicity against TA100+S9. Fluoranthene was found in especially high concentrations in the exhaust gas. The mutagenicity in TA100+S9 could be estimated from the concentration of fluoranthene, because a linear relationship was found between the concentration of fluoranthene and the mutagenicity of TA100+S9.
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