Development of aquatic life criteria for nitrobenzene in China
2012
Yan, Zhen-guang | Cheung, Chi Sing | Wang, Hong | Liang, Feng | Li, Ji | Liu, Hong-ling | Sun, Cheng | Liang, Li-jun | Liu, Zheng-tao
Nitrobenzene is a toxic pollutant and was the main compound involved in the Songhuajiang accident in 2007, one of the largest water pollution accidents in China in the last decade. No aquatic life criteria for nitrobenzene have previously been proposed. In this study, published toxicity data of nitrobenzene to Chinese aquatic species were gathered, and six resident Chinese aquatic organisms were used in toxicity tests to supplement the existing toxicity data for nitrobenzene. Seventeen genuses mean acute values, three genuses mean chronic values to freshwater aquatic animals, and six genus toxicity values to aquatic plants were collected in total. A criterion maximum concentration of 0.018mg/L and a criterion continuous concentration of 0.001mg/L were developed based on these data, according to the U.S. Environmental Protection Agency guidelines. These criteria may be useful in the determination of water quality standard of nitrobenzene.
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