Q-2, r. 7 - Regulation respecting pits and quarries

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33. Recovered dust: Dust recovered by dust collector systems must be handled and transported in such a way that there will be no loss of dust into the atmosphere visible more than 2 m from the sources of emission. Where such dust is not recycled, it must be stored, deposited or eliminated on the ground, provided the required measures are taken to prevent any issuance of dust into the atmosphere visible more than 2 m from the source of emission.
R.R.Q., 1981, c. Q-2, r. 2, s. 33.