CFR

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

57.4600—Extinguishing equipment.

(a) When welding, cutting, soldering, thawing, or bending—

(1) With an electric arc or with an open flame where an electrically conductive extinguishing agent could create an electrical hazard, a multipurpose dry-chemical fire extinguisher or other extinguisher with at least a 2-A:10-B:C rating shall be at the worksite.

(2) With an open flame in an area where no electrical hazard exists, a multipurpose dry-chemical fire extinguisher or equivalent fire extinguishing equipment for the class of fire hazard present shall be at the worksite.

(b) Use of halogenated fire extinguishing agents to meet the requirements of this standard shall be limited to Halon 1211 (CBrClF2) and Halon 1301 (CBrF3 ). When these agents are used in confined or unventilated areas, precautions based on the manufacturer's use instructions shall be taken so that the gases produced by thermal decomposition of the agents are not inhaled.

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