Health and Safety Code section 114133

(a)

Except as specified in subdivision (b), copper and copper alloys such as brass may not be used in contact with a food that has a pH below six, such as vinegar, fruit juice, or wine, or for a fitting or tubing installed between a backflow prevention device and a carbonator.

(b)

Copper and copper alloys may be used in contact with beer brewing ingredients that have a pH below six in the prefermentation and fermentation steps of a beer brewing operation, such as a brewpub or microbrewery.

Source: Section 114133, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=HSC§ionNum=114133.­ (updated Jan. 1, 2007; accessed Jun. 25, 2025).

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Verified:
Jun. 25, 2025

§ 114133's source at ca​.gov