§ 114133
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/ca/health-and-safety-code/114133A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
(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.