Cal. Code Regs. tit. 25, § 1260
Where a drain inlet trap is provided, it shall be individually vented with a vent pipe of not less than two (2) inches interior diameter unless the system is a wet vented system as provided in section 1264 of this article.
Note: Authority cited: Section 18300, Health and Safety Code. Reference: Section 18630, Health and Safety Code.
1. Amendment filed 7-6-2004; operative 7-6-2004 pursuant to Government Code section 11343.4 (Register 2004, No. 28).