---
kind: "section"
citation: "49 C.F.R. § 178.510"
title: "49"
number: "178.510"
heading: "Standards for wooden barrels."
url: "https://uscodex.org/cfr/49/178.510"
---

# §178.510. Standards for wooden barrels.

- (a) **The following are identification codes for wooden barrels—**
  - (1) 2C1 for a bung type wooden barrel; and
  - (2) 2C2 for a slack type (removable head) wooden barrel.
- (b) **Construction requirements for wooden barrels are as follows—**
  - (1) The wood used must be of good quality, straight-grained, well-seasoned and free from knots, bark, rotten wood, sapwood or other defects likely to lessen the effectiveness of the barrel for the purpose intended.
  - (2) The body and heads must be of a design appropriate to the capacity and intended use of the barrel.
  - (3) Staves and heads must be sawn or cleft with the grain so that no annual ring extends over more than half the thickness of a stave or head.
  - (4) Barrel hoops must be of steel or iron of good quality. The hoops of 2C2 barrels may be of a suitable hardwood.
  - (5) For wooden barrels 2C1, the diameter of the bung-hole may not exceed half the width of the stave in which it is placed.
  - (6) For wooden barrels 2C2, heads must fit tightly into crozes.
  - (7) **Maximum capacity of barrel—** 250 L (66 gallons).
  - (8) **Maximum net mass—** 400 kg (882 pounds).

## Notes

### Source

Source: Amdt. 178-97, 55 FR 52717, Dec. 21, 1990, unless otherwise noted.

### Authority

Authority: 49 U.S.C. 5101-5128; 49 CFR 1.81 and 1.97.