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kanavaro11(½ð±Ò+1): »ý¼«£¡»¶Ó­³£À´£¡ 2011-10-18 20:19:10
kanxinrong(½ð±Ò+2): 2011-10-28 09:57:04
Ep toxicity

a test defined by the federal environmental protection agency to check a substance for the presence of arsenic, barium, cadmium, chromium, lead, mercury, selenium, or silver. 40 CFR 261.24 defines the concentrations constituting hazardous waste and the test procedure.

link: http://www.biology-online.org/dictionary/Ep_toxicity
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