Study on Mutagenic Effect of Reclaimed Water in Tianjin
- VernacularTitle:城市回用水致突变性研究
- Author:
Keming LIU
;
Xin LI
;
Chunhua WANG
- Publication Type:Journal Article
- Keywords:
Water;
Hydrocarbons, aromatic;
Mutation
- From:
Journal of Environment and Health
1989;0(06):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To study the mutagenic effect of reclaimed water in Tianjin. Methods Reverse phase C-18 solid-phase extraction (RP-C18SPE) was used for the extraction of target compounds from water samples. Ames test was used to detect mutation. Results PAHs were detected in both low-water and high-water period,including fluorene,phenanthrene,naphthalene,acenaphthylene and acenaphthene. In the high-water period, the total concentration of 16 kinds of PAHs was 1 777.9 ng/L and 1 380.1 ng/L in untreated reclaimed water and treated reclaimed water respectively, in the low-water period,it was 2 225.1 ng/L and 1 827.1 ng/L respectively. Ames test showed that both untreated reclaimed water and treated reclaimed water could induce mutation of TA98 and TA100 strains with a dose-response relationship. Conclusion The reclaimed water used in Tianjin still contains PAHs of a certain level, which have mutagenic effect.
