Question

Wastewater that is tested at the plant shows two chemicals with high LD50 values and one with a very low LD50 value. Describe the relative toxicities of these three chemicals

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Answered by GPT 3.5
The LD50 value refers to the lethal dose at which 50% of the test population dies. A high LD50 value indicates that a substance is relatively non-toxic, as it requires a large amount of the substance to cause harm. Conversely, a low LD50 value indicates a high level of toxicity, as only a small amount of the substance is needed to cause harm.

Therefore, the two chemicals with high LD50 values are likely to be less toxic, requiring a larger dose to cause harm. On the other hand, the chemical with a very low LD50 value is highly toxic and poses a significant risk even at low doses.

In summary, the relative toxicities of the three chemicals are as follows: the two chemicals with high LD50 values are less toxic, and the chemical with a very low LD50 value is highly toxic.

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