The use of piping for plumbing, fire protection, and for the transport of hazardous materials may be subject to the provisions of a code and/or to those of local, state, federal, or other regulations.

All the major model plumbing codes which have become adopted, or referenced, by state and local jurisdictions permit and prescribe to a varying but fairly extensive degree the use of plastics piping for hot-cold water lines; water services; drain, waste, and vents (DWV); sewerage; and drainage.

Plastics piping is also covered by other codes, such as the following which are of interest to industrial users:

American National Standards Institute Codes

ANSI B31.3 Chemical Plant and Petroleum Refinery Piping

ANSI B31.8 Gas Transmission and Distribution Piping Systems

ANSI Z223.1 National Fuel Gas Code

Department of Transportation, Hazardous Materials Board, Office of Pipeline Safety Operations

Code of Federal Regulations (CFR),Title 49, Part 192,Transportation of Natural Gas and

Other Gas by Pipeline: Minimum Federal Safety Standards

Code of Federal Regulations (CFR), Title 49, Part 195, Transportation of Liquids by

Pipeline, Minimum Federal Safety Standards

The National Fire Protection Association (Quincy, Mass.) Model Codes

NFPA 30 Flammable and Combustible Liquids Code

NFPA 54 National Fuel Gas Code

NFPA 70 National Electrical Code*

NFPA 70A Electrical Code for One and Two Family Dwellings

NFPA 34 Outdoor Piping

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