507.7 Pharmaceutical Compounding Exhaust Discharge — 2025 California Mechanical Code
California Mechanical Code (Title 24, Part 4) · 2025 edition · updated 2026-10-19 · California
CBSC: official editions, supplements and errata
Italicized text is a California amendment to the model code, as printed in the official publication.
Cite as: 2025 California Mechanical Code (Title 24, Part 4) § 507.7 · Effective January 1, 2026 · Official source: Building Standards Commission
507.7 Pharmaceutical Compounding Exhaust Dis- charge. [OSHPD 1, 2, 3, 4 & 5] Exhaust discharge from fans serving the compounding suite shall extend at least 7 feet (2134 mm) above the roof and discharge vertically upward. Self-draining stacks or equivalent shall be used for rain pro- tection. Rain caps which divert the exhaust toward the roof shall be prohibited.
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