1.   And these undertakings do not include some experiments that require little or no human attention, like work on an electronic nose for detecting toxic compounds.

2.   At very high levels, such as those associated with industrial accidents, the toxic compound causes blindness, numbness, difficulty talking and walking, and death.

3.   Bleach turns into a less toxic compound when it is mixed with soil.

4.   Certain molds, such as stachybotrys, aspergillus and penicillium, are capable of producing toxic compounds called mycotoxins.

5.   Dioxins are highly toxic chemical compounds that are produced as byproducts in combustion and in certain chemical and industrial manufacturing, such as chlorine bleaching of pulp and paper.

6.   For health and safety reasons, the museum uses substitutions for highly toxic compounds used in early American pigments, while maintaining accurate color.

7.   Furthermore, hoatzins can eat plants containing toxic compounds, such as alkaloids, that are supposed to ward off plant eaters.

8.   Massachusetts public health officials suspect that the manufactuers add certain toxic compounds, including potential carcinogens, to the tobacco in cigarettes and cigars.

9.   Our research demonstrates that global controls on the distribution of persistent, bioaccumulative toxic compounds need to be considered.

10.   Rocha handled a toxic compound called melamine while pregnant with Miguel Angel.