(430 ILCS 5/1) (from Ch. 96 1/2, par. 5601)
Sec. 1.
Definition.
"Liquefied petroleum gases" means any material which is composed
predominantly of any of the following hydrocarbons, or mixtures of them:
propane, propylene, normal butanes, iso-butanes and butylenes.
(Source: Laws 1955, p. 1547.)
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