title: Development of aquatic life criteria for triclosan and comparison of the sensitivity between native and non-native species.
abstract: Triclosan (TCS) is an antimicrobial agent which is used as a broad-spectrum bacteriostatic and found in personal care products, and due to this it is widely spread in the aquatic environment. However, there is no paper dealing with the aquatic life criteria of TCS, mainly result from the shortage of toxicity data of different taxonomic levels. In the present study, toxicity data were obtained from 9 acute toxicity tests and 3 chronic toxicity tests using 9 Chinese native aquatic species from different taxonomic levels, and the aquatic life criteria was derived using 3 methods. Furthermore, differences of species sensitivity distributions (SSD) between native and non-native species were compared. Among the tested species, demersal fish Misgurnus anguillicaudatus was the most sensitive species, and the fishes were more sensitive than the aquatic invertebrates of Annelid and insect, and the insect was the least sensitive species. The comparison showed that there was no significant difference between SSDs constructed from native and non-native taxa. Finally, a criterion maximum concentration of 0.009 mg/L and a criterion continuous concentration of 0.002 mg/L were developed based on different taxa, according to the U.S. Environmental Protection Agency guidelines.
authors.affiliation: College of Water Sciences, Beijing Normal University, Beijing 100875, China.
authors.forename: Xiao-Nan
authors.initials: XN
authors.lastname: Wang
authors.forename: Zheng-Tao
authors.initials: ZT
authors.lastname: Liu
authors.forename: Zhen-Guang
authors.initials: ZG
authors.lastname: Yan
authors.forename: Cong
authors.initials: C
authors.lastname: Zhang
authors.forename: Wei-Li
authors.initials: WL
authors.lastname: Wang
authors.forename: Jun-Li
authors.initials: JL
authors.lastname: Zhou
authors.forename: Shu-Wei
authors.initials: SW
authors.lastname: Pei
mesh_terms: D000818:Animals; D000845:Annelida / Q000187:drug effects; D000890:Anti-Infective Agents / Q000737:chemistry / Q000633:toxicity; D002681:China; D003531:Cypriniformes; D004463:Ecology; D005399:Fishes; D005618:Fresh Water; D007313:Insecta / Q000187:drug effects; D058865:Introduced Species; D018570:Risk Assessment; D013045:Species Specificity; D018675:Toxicity Tests; D023382:Toxicity Tests, Acute; D014260:Triclosan / Q000737:chemistry / Q000633:toxicity*; D014874:Water Pollutants, Chemical / Q000032:analysis
chemical_list: D000890:Anti-Infective Agents; D014874:Water Pollutants, Chemical; D014260:Triclosan
keywords: Aquatic life criteria; Native species; Risk assessment; Species sensitivity distribution; Triclosan