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.
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)