Acute toxicity of South China Sea LH crude oil and NO.0 diesel to three mariculture and multiplication organisms
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Abstract
We studied the acute toxicity of Nanhai LH crude oil and NO.0 diesel to Litopenaeus vannamei, Perna viridis and Ruditapes philippinarum. The results show that 96 h-LC50 of Nanhai crude oil emulsion, NO.0 diesel emulsion and NO.0 diesel dispersants to L.vannamei were 3.25 mgL-1, 3.17 mgL-1 and 2.40 mgL-1, respectively, and the corresponding safetythresholds were 0.33 mgL-1, 0.32 mgL-1 and 0.24 mgL-1, respectively. The 96h-LC50 of Nanhai LH crude oil emulsion and NO.0 diesel emulsion to R.philippinarum were 15.93 mgL-1 and 8.74 mgL-1, respectively, and the corresponding security thresholds were 1.59 mgL-1 and 0.87 mgL-1, respectively. In addition, The 96 h-LC50 of NO.0 diesel emulsion on P.viridis was 28.90 mgL-1, and the safetythreshold was 2.89 mgL-1.
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