Toxic chemicals are only those that cause death at doses less than 0.01 milligrams per kilogram of body weight.

Toxic chemicals are not limited to those that cause death at doses less than 0.01 milligrams per kilogram of body weight. Toxicity can manifest in a range of ways, from causing acute effects at high doses to chronic effects at lower doses over long periods of time. The specific threshold for toxicity can also vary depending on the chemical and the individual's sensitivity to it.