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Book Pipeline Safety   Operator Qualification  Cost Recovery  Accident and Incident Notification  and Other Pipeline Safety Changes  Us Pipeline and Hazardous Materials Safety Administration Regulation   Phmsa   2018 Edition

Download or read book Pipeline Safety Operator Qualification Cost Recovery Accident and Incident Notification and Other Pipeline Safety Changes Us Pipeline and Hazardous Materials Safety Administration Regulation Phmsa 2018 Edition written by The Law The Law Library and published by Createspace Independent Publishing Platform. This book was released on 2018-11-26 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pipeline Safety - Operator Qualification, Cost Recovery, Accident and Incident Notification, and Other Pipeline Safety Changes (US Pipeline and Hazardous Materials Safety Administration Regulation) (PHMSA) (2018 Edition) The Law Library presents the complete text of the Pipeline Safety - Operator Qualification, Cost Recovery, Accident and Incident Notification, and Other Pipeline Safety Changes (US Pipeline and Hazardous Materials Safety Administration Regulation) (PHMSA) (2018 Edition). Updated as of May 29, 2018 PHMSA is amending the pipeline safety regulations to address requirements of the Pipeline Safety, Regulatory Certainty, and Job Creation Act of 2011 (2011 Act), and to update and clarify certain regulatory requirements. Among other provisions, PHMSA is adding a specific time frame for telephonic or electronic notifications of accidents and incidents and adding provisions for cost recovery for design reviews of certain new projects, for the renewal of expiring special permits, and setting out the process for requesting protection of confidential commercial information. PHMSA is also amending the drug and alcohol testing requirements, and incorporating consensus standards by reference for in-line inspection (ILI) and Stress Corrosion Cracking Direct Assessment (SCCDA). This book contains: - The complete text of the Pipeline Safety - Operator Qualification, Cost Recovery, Accident and Incident Notification, and Other Pipeline Safety Changes (US Pipeline and Hazardous Materials Safety Administration Regulation) (PHMSA) (2018 Edition) - A table of contents with the page number of each section

Book Pipeline Safety   Miscellaneous Changes to Pipeline Safety Regulations  Us Pipeline and Hazardous Materials Safety Administration Regulation   Phmsa   2018 Edition

Download or read book Pipeline Safety Miscellaneous Changes to Pipeline Safety Regulations Us Pipeline and Hazardous Materials Safety Administration Regulation Phmsa 2018 Edition written by The Law The Law Library and published by Createspace Independent Publishing Platform. This book was released on 2018-11-26 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pipeline Safety - Miscellaneous Changes to Pipeline Safety Regulations (US Pipeline and Hazardous Materials Safety Administration Regulation) (PHMSA) (2018 Edition) The Law Library presents the complete text of the Pipeline Safety - Miscellaneous Changes to Pipeline Safety Regulations (US Pipeline and Hazardous Materials Safety Administration Regulation) (PHMSA) (2018 Edition). Updated as of May 29, 2018 PHMSA is amending the pipeline safety regulations to make miscellaneous changes that update and clarify certain regulatory requirements. These amendments address several subject matter areas including the performance of post-construction inspections, leak surveys of Type B onshore gas gathering lines, qualifying plastic pipe joiners, regulation of ethanol, transportation of pipe, filing of offshore pipeline condition reports, and calculation of pressure reductions for hazardous liquid pipeline anomalies. This book contains: - The complete text of the Pipeline Safety - Miscellaneous Changes to Pipeline Safety Regulations (US Pipeline and Hazardous Materials Safety Administration Regulation) (PHMSA) (2018 Edition) - A table of contents with the page number of each section

Book Pipeline Safety   Updates to Pipeline and Liquefied Natural Gas Reporting Requirements  Us Pipeline and Hazardous Materials Safety Administration Regulation   Phmsa   2018 Edition

Download or read book Pipeline Safety Updates to Pipeline and Liquefied Natural Gas Reporting Requirements Us Pipeline and Hazardous Materials Safety Administration Regulation Phmsa 2018 Edition written by The Law The Law Library and published by Createspace Independent Publishing Platform. This book was released on 2018-11-26 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pipeline Safety - Updates to Pipeline and Liquefied Natural Gas Reporting Requirements (US Pipeline and Hazardous Materials Safety Administration Regulation) (PHMSA) (2018 Edition) The Law Library presents the complete text of the Pipeline Safety - Updates to Pipeline and Liquefied Natural Gas Reporting Requirements (US Pipeline and Hazardous Materials Safety Administration Regulation) (PHMSA) (2018 Edition). Updated as of May 29, 2018 This Notice of Proposed Rulemaking seeks to revise the Pipeline Safety Regulations to improve the reliability and utility of data collections from operators of natural gas pipelines, hazardous liquid pipelines, and liquefied natural gas (LNG) facilities. These revisions will enhance PHMSA's ability to: understand, measure, and assess the performance of individual operators and industry as a whole; integrate pipeline safety data to allow a more thorough, rigorous, and comprehensive understanding and assessment of risk; and expand and simplify existing electronic reporting by operators. These revisions will improve both the data and the analyses PHMSA relies on to make critical, safety-related decisions, and will facilitate PHMSA's allocation of inspection and other resources based on a more accurate accounting of risk. This book contains: - The complete text of the Pipeline Safety - Updates to Pipeline and Liquefied Natural Gas Reporting Requirements (US Pipeline and Hazardous Materials Safety Administration Regulation) (PHMSA) (2018 Edition) - A table of contents with the page number of each section

Book Pipeline Safety   Administrative Procedures   Updates and Technical Corrections  Us Pipeline and Hazardous Materials Safety Administration Regulation   Phmsa   2018 Edition

Download or read book Pipeline Safety Administrative Procedures Updates and Technical Corrections Us Pipeline and Hazardous Materials Safety Administration Regulation Phmsa 2018 Edition written by The Law The Law Library and published by Createspace Independent Publishing Platform. This book was released on 2018-11-26 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pipeline Safety - Administrative Procedures - Updates and Technical Corrections (US Pipeline and Hazardous Materials Safety Administration Regulation) (PHMSA) (2018 Edition) The Law Library presents the complete text of the Pipeline Safety - Administrative Procedures - Updates and Technical Corrections (US Pipeline and Hazardous Materials Safety Administration Regulation) (PHMSA) (2018 Edition). Updated as of May 29, 2018 PHMSA is amending the pipeline safety regulations to update the administrative civil penalty maximums for violation of the safety standards to reflect current law, to update the informal hearing and adjudication process for pipeline enforcement matters to reflect current law, and to make other technical corrections and updates to certain administrative procedures. The amendments do not impose any new operating, maintenance, or other substantive requirements on pipeline owners or operators. This book contains: - The complete text of the Pipeline Safety - Administrative Procedures - Updates and Technical Corrections (US Pipeline and Hazardous Materials Safety Administration Regulation) (PHMSA) (2018 Edition) - A table of contents with the page number of each section

Book Pipeline Safety   Administrative Procedures  Address Updates  and Technical Amendments  Us Pipeline and Hazardous Materials Safety Administration Regulation   Phmsa   2018 Edition

Download or read book Pipeline Safety Administrative Procedures Address Updates and Technical Amendments Us Pipeline and Hazardous Materials Safety Administration Regulation Phmsa 2018 Edition written by The Law The Law Library and published by Createspace Independent Publishing Platform. This book was released on 2018-11-26 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pipeline Safety - Administrative Procedures, Address Updates, and Technical Amendments (US Pipeline and Hazardous Materials Safety Administration Regulation) (PHMSA) (2018 Edition) The Law Library presents the complete text of the Pipeline Safety - Administrative Procedures, Address Updates, and Technical Amendments (US Pipeline and Hazardous Materials Safety Administration Regulation) (PHMSA) (2018 Edition). Updated as of May 29, 2018 This interim final rule conforms PHMSA's administrative procedures with the Pipeline Inspection, Protection, Enforcement, and Safety Act of 2006 (PIPES Act) by establishing the procedures PHMSA will follow in issuing safety orders and handling requests for special permits, including emergency special permits. This interim final rule also notifies operators about electronic docket information availability; updates addresses, telephone numbers, and routing symbols; and clarifies the time period for processing requests for written interpretations of the regulations. This interim final rule does not impose any new operating, maintenance, or other substantive requirements on pipeline owners or operators. This book contains: - The complete text of the Pipeline Safety - Administrative Procedures, Address Updates, and Technical Amendments (US Pipeline and Hazardous Materials Safety Administration Regulation) (PHMSA) (2018 Edition) - A table of contents with the page number of each section

Book Pipeline safety regulations

Download or read book Pipeline safety regulations written by and published by . This book was released on 2005 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Pipeline Safety   Periodic Updates of Regulatory References to Technical Standards   Miscellaneous Amendments  Us Pipeline and Hazardous Materials Safety Administration Regulation   Phmsa   2018 Edition

Download or read book Pipeline Safety Periodic Updates of Regulatory References to Technical Standards Miscellaneous Amendments Us Pipeline and Hazardous Materials Safety Administration Regulation Phmsa 2018 Edition written by The Law The Law Library and published by Createspace Independent Publishing Platform. This book was released on 2018-11-26 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pipeline Safety - Periodic Updates of Regulatory References to Technical Standards - Miscellaneous Amendments (US Pipeline and Hazardous Materials Safety Administration Regulation) (PHMSA) (2018 Edition) The Law Library presents the complete text of the Pipeline Safety - Periodic Updates of Regulatory References to Technical Standards - Miscellaneous Amendments (US Pipeline and Hazardous Materials Safety Administration Regulation) (PHMSA) (2018 Edition). Updated as of May 29, 2018 PHMSA is amending the Federal pipeline safety regulations to incorporate by reference new, updated or reaffirmed editions of the voluntary consensus standards that are applicable to pipelines subject to the requirements of the Federal pipeline safety regulations. This final rule also makes non-substantive editorial corrections clarifying regulatory language in certain provisions. These changes are minor and do not require pipeline operators to undertake any significant new pipeline safety initiatives. This book contains: - The complete text of the Pipeline Safety - Periodic Updates of Regulatory References to Technical Standards - Miscellaneous Amendments (US Pipeline and Hazardous Materials Safety Administration Regulation) (PHMSA) (2018 Edition) - A table of contents with the page number of each section

Book Pipeline Safety   Protecting Unusually Sensitive Areas from Rural Onshore Hazardous Liquid Gathering Lines and Low Stress Lines  Us Pipeline and Hazardous Materials Safety Administration Regulation   Phmsa   2018 Edition

Download or read book Pipeline Safety Protecting Unusually Sensitive Areas from Rural Onshore Hazardous Liquid Gathering Lines and Low Stress Lines Us Pipeline and Hazardous Materials Safety Administration Regulation Phmsa 2018 Edition written by The Law The Law Library and published by Createspace Independent Publishing Platform. This book was released on 2018-11-26 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pipeline Safety - Protecting Unusually Sensitive Areas From Rural Onshore Hazardous Liquid Gathering Lines and Low-Stress Lines (US Pipeline and Hazardous Materials Safety Administration Regulation) (PHMSA) (2018 Edition) The Law Library presents the complete text of the Pipeline Safety - Protecting Unusually Sensitive Areas From Rural Onshore Hazardous Liquid Gathering Lines and Low-Stress Lines (US Pipeline and Hazardous Materials Safety Administration Regulation) (PHMSA) (2018 Edition). Updated as of May 29, 2018 PHMSA is amending its pipeline safety regulations to extend added protection to certain environmentally sensitive areas that could be damaged by failure of a rural onshore hazardous liquid gathering line or low-stress pipeline. Building on PHMSA's existing regulatory framework, the rule is intended to protect designated "unusually sensitive areas" (USAs)-locations requiring extra protection because of the presence of sole-source drinking water, endangered species, or other ecological resources. This rule defines "regulated rural onshore hazardous liquid gathering lines" and requires operators of these lines to comply with safety requirements that address the most common threats to the integrity of these pipelines: Corrosion and third-party damage. In accordance with the Pipeline Inspection, Protection, Enforcement and Safety (PIPES) Act of 2006, the rule also significantly narrows the regulatory exception for rural onshore low-stress hazardous liquid pipelines by extending all existing safety regulations, including integrity management requirements, to large-diameter low-stress pipelines within a defined "buffer" area around a USA. The final rule requires operators of these, and all other low-stress pipelines, to comply with annual reporting requirements, furnishing data needed for further rulemaking required by the PIPES Act. This book contains: - The complete text of the Pipeline Safety - Protecting Unusually Sensitive Areas From Rural Onshore Hazardous Liquid Gathering Lines and Low-Stress Lines (US Pipeline and Hazardous Materials Safety Administration Regulation) (PHMSA) (2018 Edition) - A table of contents with the page number of each section

Book Pipeline Safety   Periodic Updates of Regulatory References to Technical Standards and Miscellaneous Edits  Us Pipeline and Hazardous Materials Safety Administration Regulation   Phmsa   2018 Edition

Download or read book Pipeline Safety Periodic Updates of Regulatory References to Technical Standards and Miscellaneous Edits Us Pipeline and Hazardous Materials Safety Administration Regulation Phmsa 2018 Edition written by The Law The Law Library and published by Createspace Independent Publishing Platform. This book was released on 2018-11-26 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pipeline Safety - Periodic Updates of Regulatory References to Technical Standards and Miscellaneous Edits (US Pipeline and Hazardous Materials Safety Administration Regulation) (PHMSA) (2018 Edition) The Law Library presents the complete text of the Pipeline Safety - Periodic Updates of Regulatory References to Technical Standards and Miscellaneous Edits (US Pipeline and Hazardous Materials Safety Administration Regulation) (PHMSA) (2018 Edition). Updated as of May 29, 2018 PHMSA is proposing to incorporate by reference (IBR) into the pipeline safety regulations all or parts of new editions of voluntary consensus standards to allow pipeline operators to use current technology, new materials, and other industry and management practices. In this document, PHMSA also proposes to make nonsubstantive edits and clarify regulatory language in certain provisions. These proposed amendments to the pipeline safety regulations would not require pipeline operators to undertake any significant new pipeline safety initiatives. This book contains: - The complete text of the Pipeline Safety - Periodic Updates of Regulatory References to Technical Standards and Miscellaneous Edits (US Pipeline and Hazardous Materials Safety Administration Regulation) (PHMSA) (2018 Edition) - A table of contents with the page number of each section

Book Pipeline Safety

    Book Details:
  • Author : United States Government Accountability Office
  • Publisher :
  • Release : 2013-01-24
  • ISBN : 9781482069013
  • Pages : 50 pages

Download or read book Pipeline Safety written by United States Government Accountability Office and published by . This book was released on 2013-01-24 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Department of Transportation's (DOT) Pipeline and Hazardous Materials Safety Administration (PHMSA) has an opportunity to improve the ability of pipeline operators to respond to incidents by developing a performance-based approach for incident response times. The ability of transmission pipeline operators to respond to incidents--such as leaks and ruptures--is affected by numerous variables, some of which are under operators' control. For example, the use of different valve types (manual valves or "automated" valves that can be closed automatically or remotely) and the location of response personnel can affect the amount of time it takes for operators to respond to incidents. Variables outside of operators' control, such as weather conditions, can also influence incident response time, which can range from minutes to days. GAO has previously reported that a performance-based approach--including goals and associated performance measures and targets--can allow those being regulated to determine the most appropriate way to achieve desired outcomes. In addition, several organizations in the pipeline industry have developed methods for quantitatively evaluating response times to incidents, including setting specific, measurable performance goals. While defining performance measures and targets for incident response can be challenging, PHMSA could move toward a performance-based approach by evaluating nationwide data to determine response times for different types of pipeline (based on location, operating pressure, and pipeline diameter, among other factors). However, PHMSA must first improve the data it collects on incident response times. These data are not reliable both because operators are not required to fill out certain time-related fields in the reporting form and because operators told us they interpret these data fields in different ways. Reliable data would improve PHMSA's ability to measure incident response and assist the agency in exploring the feasibility of developing a performance-based approach for improving operator response to pipeline incidents.The primary advantage of installing automated valves is that operators can respond quickly to isolate the affected pipeline segment and reduce the amount of product released; however, automated valves can have disadvantages, including the potential for accidental closures--which can lead to loss of service to customers or even cause a rupture--and monetary costs. Because the advantages and disadvantages of installing an automated valve are closely related to the specifics of the valve's location, it is appropriate to decide whether to install automated valves on a case-by-case basis. Several operators we spoke with have developed approaches to evaluate the advantages and disadvantages of installing automated valves. For example, some operators of hazardous liquid pipelines use spill-modeling software to estimate the amount of product release and extent of damage that would occur in the event of an incident. While PHMSA conducts a variety of information-sharing activities, the agency does not formally collect or share evaluation approaches used by operators to decide whether to install automated valves. Furthermore, not all operators we spoke with were aware of existing PHMSA guidance designed to assist operators in making these decisions. PHMSA could assist operators in making this decision by formally collecting and sharing evaluation approaches and ensuring operators are aware of existing guidance.

Book Pipeline Safety   Safety of Underground Natural Gas Storage Facilities  Us Pipeline and Hazardous Materials Safety Administration Regulation   Phmsa   2018 Edition

Download or read book Pipeline Safety Safety of Underground Natural Gas Storage Facilities Us Pipeline and Hazardous Materials Safety Administration Regulation Phmsa 2018 Edition written by The Law The Law Library and published by Createspace Independent Publishing Platform. This book was released on 2018-11-26 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pipeline Safety - Safety of Underground Natural Gas Storage Facilities (US Pipeline and Hazardous Materials Safety Administration Regulation) (PHMSA) (2018 Edition) The Law Library presents the complete text of the Pipeline Safety - Safety of Underground Natural Gas Storage Facilities (US Pipeline and Hazardous Materials Safety Administration Regulation) (PHMSA) (2018 Edition). Updated as of May 29, 2018 This interim final rule (IFR) revises the Federal pipeline safety regulations to address critical safety issues related to downhole facilities, including wells, wellbore tubing, and casing, at underground natural gas storage facilities. This IFR responds to Section 12 of the Protecting our Infrastructure of Pipelines and Enhancing Safety Act of 2016, which was enacted following the serious natural gas leak at the Aliso Canyon facility in California on October 23, 2015. This IFR incorporates by reference two American Petroleum Institute (API) Recommended Practices (RP): API RP 1170, "Design and Operation of Solution-mined Salt Caverns used for Natural Gas Storage," issued in July 2015; and API RP 1171, "Functional Integrity of Natural Gas Storage in Depleted Hydrocarbon Reservoirs and Aquifer Reservoirs," issued in September 2015. This book contains: - The complete text of the Pipeline Safety - Safety of Underground Natural Gas Storage Facilities (US Pipeline and Hazardous Materials Safety Administration Regulation) (PHMSA) (2018 Edition) - A table of contents with the page number of each section

Book Pipeline Safety   Applying Safety Regulations to All Rural Onshore Hazardous Liquid Low Stress Lines  Us Pipeline and Hazardous Materials Safety Administration Regulation   Phmsa   2018 Edition

Download or read book Pipeline Safety Applying Safety Regulations to All Rural Onshore Hazardous Liquid Low Stress Lines Us Pipeline and Hazardous Materials Safety Administration Regulation Phmsa 2018 Edition written by The Law The Law Library and published by Createspace Independent Publishing Platform. This book was released on 2018-11-26 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pipeline Safety - Applying Safety Regulations to All Rural Onshore Hazardous Liquid Low-Stress Lines (US Pipeline and Hazardous Materials Safety Administration Regulation) (PHMSA) (2018 Edition) The Law Library presents the complete text of the Pipeline Safety - Applying Safety Regulations to All Rural Onshore Hazardous Liquid Low-Stress Lines (US Pipeline and Hazardous Materials Safety Administration Regulation) (PHMSA) (2018 Edition). Updated as of May 29, 2018 PHMSA is amending its pipeline safety regulations to apply safety regulation to rural low-stress hazardous liquid pipelines that were not covered previously by safety regulations. This change complies with a mandate in the Pipeline Inspection, Protection, Enforcement, and Safety Act of 2006 (PIPES Act). This book contains: - The complete text of the Pipeline Safety - Applying Safety Regulations to All Rural Onshore Hazardous Liquid Low-Stress Lines (US Pipeline and Hazardous Materials Safety Administration Regulation) (PHMSA) (2018 Edition) - A table of contents with the page number of each section

Book Pipeline Safety

    Book Details:
  • Author : Susan A. Fleming
  • Publisher :
  • Release : 2012
  • ISBN :
  • Pages : 36 pages

Download or read book Pipeline Safety written by Susan A. Fleming and published by . This book was released on 2012 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pipelines are a relatively safe mode of transportation for hazardous liquid and natural gas and are regulated by the Department of Transportation's (DOT) Pipeline and Hazardous Materials Safety Administration (PHMSA) and state entities. Included in the nation's pipeline network are an estimated 200,000 or more miles of onshore "gathering" pipelines, which transport products to processing facilities and larger pipelines. Many of these pipelines have not been subject to federal regulation based on their generally rural location and low operating pressures. While incidents involving gathering pipelines regulated by PHMSA have resulted in millions of dollars in property damage in recent years, comparable statistics for federally unregulated gathering pipelines are unknown. This report identifies (1) the safety risks that exist, if any, with onshore hazardous liquid and natural gas gathering pipelines that are not currently under PHMSA regulation and (2) the practices states use to help ensure the safety of these pipelines. GAO surveyed state pipeline safety agencies in all 50 states and the District of Columbia; interviewed officials at PHMSA, state pipeline safety agencies, pipeline companies, and industry associations; and analyzed data and regulations.

Book Pipeline Safety

Download or read book Pipeline Safety written by and published by . This book was released on 2001 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Pipeline Safety

    Book Details:
  • Author : U.s. Government Accountability Office
  • Publisher : Createspace Independent Publishing Platform
  • Release : 2017-08-04
  • ISBN : 9781974181896
  • Pages : 50 pages

Download or read book Pipeline Safety written by U.s. Government Accountability Office and published by Createspace Independent Publishing Platform. This book was released on 2017-08-04 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: " The nation's 2.5 million mile network of hazardous liquid and natural gas pipelines includes more than 400,000 miles of "transmission" pipelines, which transport products from processing facilities to communities and large-volume users. To minimize the risk of leaks and ruptures, PHMSA requires pipeline operators to develop incident response plans. Pipeline operators with pipelines in highly populated and environmentally sensitive areas ("high-consequence areas") are also required to consider installing automated valves. The Pipeline Safety, Regulatory Certainty, and Job Creation Act of 2011 directed GAO to examine the ability of transmission pipeline operators to respond to a product release. Accordingly, GAO examined (1) opportunities to improve the ability of transmission pipeline operators to respond to incidents and (2) the advantages and disadvantages of installing automated valves in high-consequence areas and ways that PHMSA can assist operators in deciding whether to install valves in these areas. GAO examined incident data; conducted a literature review; and interviewed selected operators, industry stakeholders, state pipeline safety offices, and PHMSA officials. "

Book Pipeline safety management of the Office of Pipeline Safety s enforcement program needs further strengthening   report to congressional recipients

Download or read book Pipeline safety management of the Office of Pipeline Safety s enforcement program needs further strengthening report to congressional recipients written by and published by DIANE Publishing. This book was released on with total page 77 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Pipeline Safety  Additional Actions Could Improve Federal Use of Data on Pipeline Materials and Corrosion

Download or read book Pipeline Safety Additional Actions Could Improve Federal Use of Data on Pipeline Materials and Corrosion written by United States. Government Accountability Office and published by . This book was released on 2017 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt: The U.S. energy pipeline network is composed of over 2.7-million miles of pipelines transporting gas and hazardous liquids. While pipelines are a relatively safe mode of transportation, incidents caused by material failures and corrosion may result in fatalities and environmental damage. PHMSA, an agency within the Department of Transportation, inspects pipeline operators and oversees safety regulations. This report addresses: (1) the materials and corrosion-prevention technologies used in the pipeline network and their benefits and limitations and (2) how PHMSA uses data on pipelines and corrosion to inform inspection priorities, among other topics. GAO recommends that PHMSA document the design of its Risk Ranking Index Model and implement a process that uses data to periodically assess the model's effectiveness.