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Annual Regulations: PDF versions since 1996
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Q-2, r. 22 - Regulation respecting waste water disposal systems for isolated dwellings
Section 87.21
Disposition versions
87.21. Leaching field on medium grade land: A leaching field built on a site whose grade is between 10% and 30% must consist of absorption trenches that comply with sections 87.22 and 87.23.
