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ZR § 42-451
For the purposes of this Section, the following term is defined:
Toxic or noxious matter
"Toxic or noxious matter" is any solid, liquid, or gaseous matter, including but not limited to gases, vapors, dusts, fumes, and mists, containing properties which by chemical means are:
(a)inherently harmful and likely to destroy life or impair health; or
(b)capable of causing injury to the well-being of persons or damage to property.
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