Ask X3What does 49 CFR 178.510 (Standards for wooden barrels) require?
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Based on 49 CFR 178.510, the standards for wooden barrels require the following:
* Identification Codes: Use code 2C1 for a bung-type wooden barrel, and code 2C2 for a slack-type (removable head) wooden barrel.
* Wood Quality: The wood must be good quality, straight-grained, well-seasoned, and free from knots, bark, rotten wood, sapwood, or other defects that could reduce the barrel's effectiveness.
* Design: The body and heads must be appropriately designed for the barrel's capacity and intended use.
* Staves and Heads: Staves and heads must be sawn or cleft with the grain, ensuring no annual ring extends over more than half the thickness of a stave or head.
* Hoops: Barrel hoops must be made of good quality steel or iron, except that hoops for 2C2 barrels may be made of a suitable hardwood.
* Bung-Holes (2C1 Barrels): The diameter of the bung-hole cannot exceed half the width of the stave it is placed in.
* Heads (2C2 Barrels): The heads must fit tightly into the crozes.
* Capacity and Mass Limits: The maximum capacity of the barrel cannot exceed 250 liters (66 gallons), and the maximum net mass cannot exceed 400 kg (882 pounds).