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Title: Cathodic Protection In Plastic Piping Systems
Author: m. D. Orton
Source: American Gas Association 1973
Year Published: 1973
Abstract: The Pacific Gas and Electric Companys gas distribution operating area is essentially northern California with transmission facilities extending Northeast to the Oregon border and Southeast to the Arizona border. This system includes approximately 4,600 miles of transmission pipeline, 25,000 miles of distribution main and 2.4 million gas meters in service. The evolution of PG&E operating practices has generally been influenced by similar technical advancements made by other targe gas utilities over the years. Early in our history, cast iron, wrought iron, and bare steel pipe were commonly installed. Wrapped steel pipe generally appeared around the late 1920s.




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