Minnesota Administrative Rules
This is an historical version of this rule part. Also view the current version.
4626.0465 4-101.14 COPPER; USE LIMITATION.*
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A.
Except as specified in item B, copper and copper alloys, including brass, shall not be used in contact with a food that has a pH below six, including vinegar, fruit juice, or wine, or for a fitting or tubing installed between a backflow prevention device and a carbonator.
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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 brewpub, microbrewery, or other beer brewing operation.
History:
23 SR 519
Published Electronically:
October 11, 2007
Official Publication of the State of Minnesota
Revisor of Statutes