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The Chemical Agent Dioxin Can Be Toxic or Hazardous to Humans

Question 70

Multiple Choice

The chemical agent dioxin can be toxic or hazardous to humans in concentrations as small as one part per billion.If I am testing a soil sample that has a mass of 1.0 kg,how much dioxin would have to be present for me to label it toxic or hazardous?


A) a picogram
B) a kilogram
C) a microgram
D) a milligram
E) a nanogram

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