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Minnesota Administrative Rules


No form of trap which depends for its seal upon the action of movable parts or concealed interior partitions shall be used.

Full "S" traps, bell traps, and crown vented traps, are prohibited.

Traps shall not be made up with fittings, unless authorized by the administrative authority.

Water-cooled grease traps are prohibited.

No fixture shall be double-trapped.

Drum traps shall be installed only when permitted by the administrative authority for special conditions (laboratory tables, dental chairs, etc.).

Statutory Authority:

MS s 326.37 to 326.45; 326B.43 to 326B.49


L 2007 c 140 art 6 s 15; art 13 s 4

Published Electronically:

May 14, 2012

700 State Office Building, 100 Rev. Dr. Martin Luther King Jr. Blvd., St. Paul, MN 55155 ♦ Phone: (651) 296-2868 ♦ TTY: 1-800-627-3529 ♦ Fax: (651) 296-0569