Q-2, r. 29 - Regulation respecting halocarbons

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42. No person may use carbon tetrachloride or methyl chloroform or a product that contains either of those substances.
The first paragraph does not apply to the use of such a substance
(1)  where it is used in a laboratory as a reagent;
(2)  where it is used for chemical compound synthesis; or
(3)  where it is used in a manufacturing process at the end of which it is chemically transformed into another substance.
O.C. 1091-2004, s. 42.