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C.F.R - Table of Contents

  • Title 1 - General Provisions
  • Title 2 - Grants and Agreements
  • Title 3 - The President
  • Title 4 - Accounts
  • Title 5 - Administrative Personnel
  • Title 6 - Domestic Security
  • Title 7 - Agriculture
  • Title 8 - Aliens and Nationality
  • Title 9 - Animals and Animal Products
  • Title 10 - Energy
  • Title 11 - Federal Elections
  • Title 12 - Banks and Banking
  • Title 13 - Business Credit and Assistance
  • Title 14 - Aeronautics and Space
  • Title 15 - Commerce and Foreign Trade
  • Title 16 - Commercial Practices
  • Title 17 - Commodity and Securities Exchanges
  • Title 18 - Conservation of Power and Water Resources
  • Title 19 - Customs Duties
  • Title 20 - Employees' Benefits
  • Title 21 - Food and Drugs
  • Title 22 - Foreign Relations
  • Title 23 - Highways
  • Title 24 - Housing and Urban Development
  • Title 25 - Indians
  • Title 26 - Internal Revenue
  • Title 27 - Alcohol, Tobacco Products and Firearms
  • Title 28 - Judicial Administration
  • Title 29 - Labor
  • Title 30 - Mineral Resources
  • Title 31 - Money and Finance: Treasury
  • Title 32 - National Defense
  • Title 33 - Navigation and Navigable Waters
  • Title 34 - Education
  • Title 35 - Panama Canal
  • Title 36 - Parks, Forests, and Public Property
  • Title 37 - Patents, Trademarks, and Copyrights
  • Title 38 - Pensions, Bonuses, and Veterans' Relief
  • Title 39 - Postal Service
  • Title 40 - Protection of Environment
  • Title 41 - Public Contracts and Property Management
  • Title 42 - Public Health
  • Title 43 - Public Lands: Interior
  • Title 44 - Emergency Management and Assistance
  • Title 45 - Public Welfare
  • Title 46 - Shipping
  • Title 47 - Telecommunication
  • Title 48 - Federal Acquisition Regulations System
  • Title 49 - Transportation
  • Title 50 - Wildlife and Fisheries

CFR > Title 49 - Transportation > SUBTITLE B—Other Regulations Relating to Transportation > CHAPTER I—PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (Parts 105–199) > SUBCHAPTER C—HAZARDOUS MATERIALS REGULATIONS (Parts 171–181) > PART 178—SPECIFICATIONS FOR PACKAGINGS > SUBPART L—Non-bulk Performance-Oriented Packaging Standards (§178.500 to §178.523) > 178.521—Standards for paper bags.

178.521—Standards for paper bags.

(a) The following are identification codes for paper bags:
(1) 5M1 for a multi-wall paper bag; and
(2) 5M2 for a multi-wall water-resistant paper bag.
(b) Construction requirements for paper bags are as follows:
(1) Bags must be made of a suitable kraft paper, or of an equivalent paper with at least three plies. The strength of the paper and the construction of the bag must be appropriate to the capacity and intended use of the bag. Seams and closures must be sift-proof.
(2) Paper bags 5M2: To prevent the entry of moisture, a bag of four plies or more must be made waterproof by the use of either a water-resistant ply as one of the two outermost plies or a water-resistant barrier made of a suitable protective material between the two outermost plies. A 5M2 bag of three plies must be made waterproof by the use of a water-resistant ply as the outermost ply. When there is danger of the lading reacting with moisture, or when it is packed damp, a waterproof ply or barrier, such as double-tarred kraft paper, plastics-coated kraft paper, plastics film bonded to the inner surface of the bag, or one or more inner plastics liners, must also be placed next to the substance. Seams and closures must be waterproof.
(3) Maximum net mass: 50 kg (110 pounds).
[Amdt. 178-97, 55 FR 52717, Dec. 21, 1990, as amended at 56 FR 66285, Dec. 20, 1991; Amdt. 178-106, 59 FR 67521, Dec. 29, 1994]




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