Minnesota Administrative Rules

4626.0465 4-101.14 COPPER; USE LIMITATION.*

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.

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.

Statutory Authority:

MS s 31.101; 31.11; 144.05; 144.08; 144.12; 157.011

History:

23 SR 519

Published Electronically:

October 11, 2007