StacksVerified U.S. regulatory reference

7 CFR §58.423

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
The vacuum chamber shall be satisfactorily constructed and maintained so that the product is not contaminated with rust or flaking paint. An inner liner of stainless steel or other corrosion resistant material should be provided.