Environmental Analysis Health and Toxicology

The Korean Society of Environmental Health and Toxicology (환경독성보건학회)
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Acute Toxicity of Pentachlorophenol Sodium Salt, Potassium Dichromate, Sodium Azide to Neocaridina denticulata

Pentachlorophenol Sodium Salt, Potassium Dichromate, Sodium Azide에 대한 새뱅이(Neocaridina denticulata) 급성독성

  • Lee, Jae-Woo (Risk Assessment Division, National Institute of Environmental Research) ;
  • Moon, Ye-Ryeon (Risk Assessment Division, National Institute of Environmental Research) ;
  • Yoon, Jun-Heon (Risk Assessment Division, National Institute of Environmental Research) ;
  • Choi, Kyung-Hee (Risk Assessment Division, National Institute of Environmental Research) ;
  • Han, Jin-Seok (Risk Assessment Division, National Institute of Environmental Research) ;
  • Ryu, Ji-Sung (Risk Assessment Division, National Institute of Environmental Research)
  • 이재우 (국립환경과학원 위해성평가연구과) ;
  • 문예련 (국립환경과학원 위해성평가연구과) ;
  • 윤준헌 (국립환경과학원 위해성평가연구과) ;
  • 최경희 (국립환경과학원 위해성평가연구과) ;
  • 한진석 (국립환경과학원 위해성평가연구과) ;
  • 류지성 (국립환경과학원 위해성평가연구과)
  • Received : 2009.12.09
  • Accepted : 2010.09.09
  • Published : 2010.09.30
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Abstract

Neocaridina denticulata is a small freshwater shrimp indigenous to Korea. As an indigenous species has long-adapted to particular water environments, the species can be a suitable indicator to assess environmental risks caused by hazard chemicals in the particular site. Thus Neocaridina denticulata, a small freshwater shrimp indigenous to Korea, is worth considering for a test species for such purpose. N. denticulata were exposed to pentachlorophenol sodium salt, sodium azide and potassium dichromate using automatic flow-through system for 96 hours. The 96 hr lethal concentrations ($LC_{50}$) of these chemicals were calculated as $0.53{\pm}0.09\;mg/L$, $2.40{\pm}0.61\;mg/L$ and $1.21{\pm}0.09\;mg/L$ respectively and showed relatively small deviation from repetitive test results. When compared with the toxicity values of other species for each chemical, N. denticulata had moderate or high sensitivity to the toxicity of these chemicals. It can be concluded that N. denticulata is a good test species to evaluate acute toxicity of various hazardous chemicals.

Keywords

References

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