Current through Vol. 42, No. 7, December 16, 2024
Section 310:257-7-4 - Copper, use limitation(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.Okla. Admin. Code § 310:257-7-4
Added at 23 Ok Reg 2358, eff 6-25-06