Div. B › Part 7 › 7.5 › 7.5.5 — Miscellaneous Vent Pipes

7.5.5.3 — Venting of Corrosive Drain Piping and Dilution Tanks

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(1) Venting systems for drain piping or dilution tanks conveying corrosive waste shall extend independently and terminate in open air.

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open air

means the atmosphere outside a building.

venting system

means an assembly of pipes and fittings that connects a drainage system with open air for circulation of air and the protection of trap seals in the drainage system.

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