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APPENDIX DOT’s Pipeline and Hazardous Materials Safety Administration’s National


Pipeline Mapping Service provides a program that communities use to locate pipelines.


FIGURE A.8 NPMS Screen. The National Pipeline Mapping System provides interactive maps of the


nation’s transmission pipelines as well as the name and contact information for the pipeline operator, the type of products being transported, and the sta- tus of the line. To learn more about the transmission facilities in your area, go to www.npms.phmsa.dot.gov and click on “NPMS Public Map Viewer”. This web site and several others are available at the end of the program. Understanding the difference in the types of pipelines, knowing their lo-


cations and identifying who to call in an emergency can save precious sec- onds, and in emergency response saving seconds can mean saving lives.


Recognizing and Identifying Pipelines in Your Community


One of the first responsibilities responders have in hazardous materials emer- gencies is to recognize and identify the presence of hazardous chemicals. There are many clues to recognizing pipelines and their products.


Rights-of-Way—Whether above or below ground, FIGURE A.9 Right-of-way. 80


pipelines are constructed along a clear corridor of land called the rights-of-way (ROW). This may con- tain one or more pipelines, vary in width, will cross through public and private property, and be identi- fied with a marker or sign. A transmission pipeline right-of-way should be clear of vegetation, and free of permanent structures to ensure the pipeline’s integrity and safety are maintained.

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