Chemical waste system.
Municipal Code of Chicago § 18-29-702.6
in effect18-29-702.6 Chemical waste system.
A chemical waste system shall be completely separated from the sanitary drainage system. The chemical waste shall be treated in accordance with Section 18-29-803.3 before discharging into the sanitary drainage system. Separate drainage systems for chemical wastes and vent pipes shall comply with the applicable standards listed in Table 18-29-702.1 or 18-29-702.6 and shall be made of materials that are resistant to corrosion and degradation for the concentrations of chemicals involved.
Table 18-29-702.6
Chemical Waste System Pipe
Material | Standard
Chlorinated polyvinyl chloride (CPVC) plastic pipe | ASTM F2618
Glass pipe | ASTM C1053
Polyolefin pipe | ASTM F1412; CSA B181.3
Polyvinylidene fluoride (PVDF) plastic pipe | ASTM F1673; CSA B181.3
(Amend Coun. J. 10-14-21, p. 37722, Art. VII, § 2)
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2691969Fetched: 10/24/2026