Cal. Code Regs. tit. 17, § 10770 – Secondhand Use of Barrels.

(a) No wooden barrel or keg that has ever been used as a container for other than food products may be re-used for the storage and/or conveyance of any food product.
(b) Barrels or kegs that have been used as containers for food products may be re-used for storage and/or conveyance of other food products. Provided: they are thoroughly cleaned and are in a sanitary condition at the time of re-use.

Note: Authority cited: Sections 208 and 26202, Health and Safety Code. Reference: Section 26524, Health and Safety Code.

1. Editorial correction of section heading and new Note filed 8-22-84 (Register 84, No. 34).