Q-2, r. 22 - Regulation respecting waste water disposal systems for isolated dwellings

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55. Disposal site: The absorption system of the hauled sewage system may be built only if bedrock is at least 30 cm below the ground and if the grade of the disposal site is less than 30%.
R.R.Q., 1981, c. Q-2, r. 8, s. 55.