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Vitrified clay.

Municipal Code of Chicago § 18-29-705.13
in effect
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18-29-705.13 Vitrified clay. Joints between vitrified clay pipe or fittings shall be made with an elastomeric seal conforming to ASTM C425, ASTM C1173 or CSA CAN/CSA B602.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2692075Fetched: 10/24/2026

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18-29-705.13 | Corpus