P-29, r. 1 - Regulation respecting food

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9.2.4.6. Waste water system: Every establishment must be provided with a drainage system for storm waters and for waste water. Such system must be designed to separate different sources.
Such drainage system must contain a cleanout, flushes, building traps, protective gratings and solid intercepters. Wash water pipes must be independent of the sanitary drain pipes toilets, urinals and wash basins.
O.C. 1055-82, s. 14.