SECTION 310:257-7-4. Copper, use limitation

Latest version.

(a) Except as specified in (b) of this Section, copper and copper alloys such as brass may not be used in contact with a food that has a pH below 6 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 6 in the prefermentation and fermentation steps of a beer brewing operation such as a brewpub or microbrewery.

[Source: Added at 23 Ok Reg 2358, eff 6-25-06]

                    
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